Other suitable types of wax are maleic anhydride and bisamide modified wax.
[0050]其他适的蜡类型和bisamide顺丁烯二
改性蜡。
Other suitable types of wax are maleic anhydride and bisamide modified wax.
[0050]其他适的蜡类型和bisamide顺丁烯二
改性蜡。
By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.
本文报道成抗溃疡药丙谷胺的改进工艺。
Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.
以氯苯和邻苯二甲起始原料,经四步工序
成马吲哚,总收率
23.4%。
The synthetic technique of new type high molecular ashless dispersant of polybutene (PBP) and dimaleic anhydride was described.
介绍了新型高分子聚异丁烯双马来无灰分散剂的
成工艺。
Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.
以邻苯二甲原料,经硝化、脱水、肼化、还原等步骤
成了3-氨基邻苯二甲
肼。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以起点,
成了十二醇酯琥
,采用红外光谱、核磁共振波谱及质谱对中间产物及终产物进行了结构表证。
The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.
氢化萜烯马来的化学结构与固化物的机械强度及热稳定性密切相关。
The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.
用硅钨杂多催化剂,以从二羧
中分离出的戊二
和异戊醇
原料
成了戊二
二异戊酯。
Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc.
酞避光剂,对紫外线具有特殊的保护功效,可治疗日光性皮炎,湿疹等。
The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.
介绍对醋、醋
生产中的有机废水采用厌氧好氧生化处理方法的试验。
E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.
介绍由乙二胺四亚甲基膦(EDTMP)和水解聚马来
(HPMA)组成的锅炉水处理剂E—M配方及其应用实例。
In the presence of catalyst phosphoric acid,isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.
用磷做催化剂,催化工业双戊烯与顺丁烯二
进行异构加成反应。
In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent.
本文以1氨基蒽醌和乙原料,乙
作溶剂,
成了1乙
氨基蒽醌。
From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.
用松香纯化得到的松香(
)与马来
反应得马来海松
,再与二乙醇胺反应制得松香马来
胺基乙醇表面活情剂.
This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.
本研究对生产偏所产生的母液中含有的芳香族羧
加以回收,用于生产混
酯增塑剂。
In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone.
在醋、聚乙二醇存在下 ,铬
和苊在温和的条件下反应 ,苊可以完全转化
苊酮。
In this paper, the synthesis of 2 - chloranthraquinone and 2 - aminoanthraquinone was studied.It was prepared from phthalic anhydride by acetyiation, hydrolysis and cyclization.
以苯和取代苯
原料,经过乙
化、水解及环
反应,
成了2-氯蒽醌和2-氨基蒽醌,并对影响收率的工艺条件进行了研究。
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.
以甲基丙烯氯、甲基丙烯
和甲基丙烯
作
化剂,研究了胆
甲酯分子中羟基的反应活性。
Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.
随后,我们发现氮杂环卡宾也可以作一种有机小分子催化剂,分别催化各类硅试剂或
对氮杂环丙烷化
物的开环。
Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.
首先,以甲苯和乙原料,在催化剂三氯化铝存在下
成对甲基苯乙酮,并确定甲苯,乙
和三氯化铝的最佳摩尔比
4: 1: 2,收率
86.2%。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Other suitable types of wax are maleic anhydride and bisamide modified wax.
[0050]其他适的蜡类型和bisamide顺丁烯二
酐改性蜡。
By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.
本文报道成抗溃疡药丙谷胺的改进工艺。
Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.
以氯苯和邻苯二甲酐为起始原料,经四步工序
成马吲哚,总收率为23.4%。
The synthetic technique of new type high molecular ashless dispersant of polybutene (PBP) and dimaleic anhydride was described.
介绍了新型高分子聚异丁烯双马来酐无灰分散剂的
成工艺。
Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.
以邻苯二甲酐为原料,经硝化、脱水、肼化、还原等步骤
成了3-氨基邻苯二甲酰肼。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞为起点,
成了十二醇酯琥珀
酐,采用
谱、核磁共振波谱及质谱对中间产物及终产物进行了结构表证。
The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.
氢化萜烯马来酐的化学结构与固化物的机械强度及热稳定性密切相关。
The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.
用硅钨杂多为催化剂,以从二羧
中分离出的戊二
酐和异戊醇为原料
成了戊二
二异戊酯。
Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc.
酞酐避剂,对紫
线具有特殊的保护功效,可治疗日
性皮炎,湿疹等。
The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.
介绍对醋、醋酐生产中的有机废水采用厌氧好氧生化处理方法的试验。
E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.
介绍由二胺四亚甲基膦
(EDTMP)和水解聚马来
(HPMA)组成的锅炉水处理剂E—M配方及其应用实例。
In the presence of catalyst phosphoric acid,isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.
用磷做催化剂,催化工业双戊烯与顺丁烯二
酐进行异构加成反应。
In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent.
本文以1氨基蒽醌和酐为原料,
作溶剂,
成了1
酰氨基蒽醌。
From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.
用松香纯化得到的松香(枞
)与马来
酐反应得马来海松
,再与二
醇胺反应制得松香马来酰胺基
醇表面活情剂.
This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.
本研究对生产偏酐所产生的母液中含有的芳香族羧加以回收,用于生产混
酯增塑剂。
In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone.
在醋、聚
二醇存在下 ,铬
酐和苊在温和的条件下反应 ,苊可以完全转化为苊酮。
In this paper, the synthesis of 2 - chloranthraquinone and 2 - aminoanthraquinone was studied.It was prepared from phthalic anhydride by acetyiation, hydrolysis and cyclization.
以苯酐和取代苯为原料,经过酰化、水解及环
反应,
成了2-氯蒽醌和2-氨基蒽醌,并对影响收率的工艺条件进行了研究。
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.
以甲基丙烯酰氯、甲基丙烯酐和甲基丙烯
作酰化剂,研究了胆
甲酯分子中羟基的反应活性。
Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.
随后,我们发现氮杂环卡宾也可以作为一种有机小分子催化剂,分别催化各类硅试剂或酐对氮杂环丙烷化
物的开环。
Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.
首先,以甲苯和酐为原料,在催化剂三氯化铝存在下
成对甲基苯
酮,并确定甲苯,
酐和三氯化铝的最佳摩尔比为4: 1: 2,收率为86.2%。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Other suitable types of wax are maleic anhydride and bisamide modified wax.
[0050]其他适的蜡
bisamide顺丁烯二酸酐改性蜡。
By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.
本文报道成抗溃疡药丙谷胺的改进工艺。
Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.
以氯苯邻苯二甲酸酐为起始原料,经四步工序
成马吲哚,总收率为23.4%。
The synthetic technique of new type high molecular ashless dispersant of polybutene (PBP) and dimaleic anhydride was described.
介绍了新高分子聚异丁烯双马来酸酐无灰分散剂的
成工艺。
Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.
以邻苯二甲酸酐为原料,经硝、
、肼
、还原等步骤
成了3-氨基邻苯二甲酰肼。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,成了十二醇酯琥珀酸酐,采用红外光谱、核磁共振波谱及质谱对中间产物及终产物进行了结构表证。
The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.
氢萜烯马来酸酐的
学结构与固
物的机械强度及热稳定性密切相关。
The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.
用硅钨杂多酸为催剂,以从二羧酸中分离出的戊二酸酐
异戊醇为原料
成了戊二酸二异戊酯。
Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc.
酞酐避光剂,对紫外线具有特殊的保护功效,可治疗日光性皮炎,湿疹等。
The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.
介绍对醋酸、醋酐生产中的有机废采用厌氧好氧生
处理方法的试验。
E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.
介绍由乙二胺四亚甲基膦酸(EDTMP)解聚马来酸(HPMA)组成的锅炉
处理剂E—M配方及其应用实例。
In the presence of catalyst phosphoric acid,isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.
用磷酸做催剂,催
工业双戊烯与顺丁烯二酸酐进行异构加成反应。
In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent.
本文以1氨基蒽醌乙酐为原料,乙酸作溶剂,
成了1乙酰氨基蒽醌。
From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.
用松香纯得到的松香酸(枞酸)与马来酸酐反应得马来海松酸,再与二乙醇胺反应制得松香马来酰胺基乙醇表面活情剂.
This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.
本研究对生产偏酐所产生的母液中含有的芳香族羧酸加以回收,用于生产混酯增塑剂。
In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone.
在醋酸、聚乙二醇存在下 ,铬酸酐苊在温
的条件下反应 ,苊可以完全转
为苊酮。
In this paper, the synthesis of 2 - chloranthraquinone and 2 - aminoanthraquinone was studied.It was prepared from phthalic anhydride by acetyiation, hydrolysis and cyclization.
以苯酐取代苯为原料,经过乙酰
、
解及环
反应,
成了2-氯蒽醌
2-氨基蒽醌,并对影响收率的工艺条件进行了研究。
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.
以甲基丙烯酰氯、甲基丙烯酸酐甲基丙烯酸作酰
剂,研究了胆酸甲酯分子中羟基的反应活性。
Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.
随后,我们发现氮杂环卡宾也可以作为一种有机小分子催剂,分别催
各
硅试剂或酸酐对氮杂环丙烷
物的开环。
Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.
首先,以甲苯乙酸酐为原料,在催
剂三氯
铝存在下
成对甲基苯乙酮,并确定甲苯,乙酸酐
三氯
铝的最佳摩尔比为4: 1: 2,收率为86.2%。
声明:以上例句、词性分均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Other suitable types of wax are maleic anhydride and bisamide modified wax.
[0050]其他适
蜡类型和bisamide顺丁烯二
酐改性蜡。
By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.
本文报道成抗溃疡药丙谷胺
改进工艺。
Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.
以氯苯和邻苯二甲酐为起始原料,经四步工序
成马吲哚,总收率为23.4%。
The synthetic technique of new type high molecular ashless dispersant of polybutene (PBP) and dimaleic anhydride was described.
介绍了新型高分子聚异丁烯双马来酐无灰分散剂
成工艺。
Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.
以邻苯二甲酐为原料,经硝
、脱水、肼
、还原等步骤
成了3-氨基邻苯二甲酰肼。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞为起点,
成了十二醇酯琥珀
酐,采用红外光谱、核磁共振波谱及质谱对中间产
及终产
进行了结构表证。
The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.
氢萜烯马来
酐
学结构与固
机械强度及热稳定性密切相关。
The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.
用硅钨杂多为催
剂,以从二羧
中分离出
戊二
酐和异戊醇为原料
成了戊二
二异戊酯。
Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc.
酞酐避光剂,对紫外线具有特殊保护功效,可治疗日光性皮炎,湿疹等。
The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.
介绍对醋、醋酐生产中
有机废水采用厌氧好氧生
处理方法
试验。
E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.
介绍由乙二胺四亚甲基膦(EDTMP)和水解聚马来
(HPMA)组成
锅炉水处理剂E—M配方及其应用实例。
In the presence of catalyst phosphoric acid,isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.
用磷做催
剂,催
工业双戊烯与顺丁烯二
酐进行异构加成反应。
In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent.
本文以1氨基蒽醌和乙酐为原料,乙作溶剂,
成了1乙酰氨基蒽醌。
From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.
用松香纯得到
松香
(枞
)与马来
酐反应得马来海松
,再与二乙醇胺反应制得松香马来酰胺基乙醇表面活情剂.
This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.
本研究对生产偏酐所产生母液中含有
芳香族羧
加以回收,用于生产混
酯增塑剂。
In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone.
在醋、聚乙二醇存在下 ,铬
酐和苊在温和
条件下反应 ,苊可以完全转
为苊酮。
In this paper, the synthesis of 2 - chloranthraquinone and 2 - aminoanthraquinone was studied.It was prepared from phthalic anhydride by acetyiation, hydrolysis and cyclization.
以苯酐和取代苯为原料,经过乙酰、水解及环
反应,
成了2-氯蒽醌和2-氨基蒽醌,并对影响收率
工艺条件进行了研究。
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.
以甲基丙烯酰氯、甲基丙烯酐和甲基丙烯
作酰
剂,研究了胆
甲酯分子中羟基
反应活性。
Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.
随后,我们发现氮杂环卡宾也可以作为一种有机小分子催剂,分别催
各类硅试剂或
酐对氮杂环丙烷
开环。
Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.
首先,以甲苯和乙酐为原料,在催
剂三氯
铝存在下
成对甲基苯乙酮,并确定甲苯,乙
酐和三氯
铝
最佳摩尔比为4: 1: 2,收率为86.2%。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件观点;若发现问题,欢迎向我们指正。
Other suitable types of wax are maleic anhydride and bisamide modified wax.
[0050]其他适的蜡类型和bisamide顺丁烯二酸
改性蜡。
By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.
本文报道成抗溃疡药丙谷胺的改进工艺。
Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.
以氯苯和邻苯二甲酸为起始原料,经四步工序
成马吲哚,总收率为23.4%。
The synthetic technique of new type high molecular ashless dispersant of polybutene (PBP) and dimaleic anhydride was described.
介绍了新型高分子聚异丁烯双马来酸无灰分散剂的
成工艺。
Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.
以邻苯二甲酸为原料,经硝化、脱水、肼化、还原等步骤
成了3-氨基邻苯二甲酰肼。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,成了十二醇酯琥珀酸
,采用红外光谱、核磁共振波谱及质谱对中间产物及终产物进行了结构表证。
The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.
氢化萜烯马来酸的化学结构与固化物的机械强度及热稳定性密切相关。
The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.
用多酸为催化剂,以从二羧酸中分离出的戊二酸
和异戊醇为原料
成了戊二酸二异戊酯。
Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc.
酞避光剂,对紫外线具有特殊的保护功效,可治疗日光性皮炎,湿疹等。
The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.
介绍对醋酸、醋生产中的有机废水采用厌氧好氧生化处理方法的试验。
E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.
介绍由乙二胺四亚甲基膦酸(EDTMP)和水解聚马来酸(HPMA)组成的锅炉水处理剂E—M配方及其应用实例。
In the presence of catalyst phosphoric acid,isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.
用磷酸做催化剂,催化工业双戊烯与顺丁烯二酸进行异构加成反应。
In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent.
本文以1氨基蒽醌和乙为原料,乙酸作溶剂,
成了1乙酰氨基蒽醌。
From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.
用松香纯化得到的松香酸(枞酸)与马来酸反应得马来海松酸,再与二乙醇胺反应制得松香马来酰胺基乙醇表面活情剂.
This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.
本研究对生产偏所产生的母液中含有的芳香族羧酸加以回收,用于生产混
酯增塑剂。
In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone.
在醋酸、聚乙二醇存在下 ,铬酸和苊在温和的条件下反应 ,苊可以完全转化为苊酮。
In this paper, the synthesis of 2 - chloranthraquinone and 2 - aminoanthraquinone was studied.It was prepared from phthalic anhydride by acetyiation, hydrolysis and cyclization.
以苯和取代苯为原料,经过乙酰化、水解及环
反应,
成了2-氯蒽醌和2-氨基蒽醌,并对影响收率的工艺条件进行了研究。
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.
以甲基丙烯酰氯、甲基丙烯酸和甲基丙烯酸作酰化剂,研究了胆酸甲酯分子中羟基的反应活性。
Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.
随后,我们发现氮环卡宾也可以作为一种有机小分子催化剂,分别催化各类
试剂或酸
对氮
环丙烷化
物的开环。
Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.
首先,以甲苯和乙酸为原料,在催化剂三氯化铝存在下
成对甲基苯乙酮,并确定甲苯,乙酸
和三氯化铝的最佳摩尔比为4: 1: 2,收率为86.2%。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Other suitable types of wax are maleic anhydride and bisamide modified wax.
[0050]其他适的蜡类型和bisamide顺丁烯二酸酐改性蜡。
By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.
本文报道成抗溃疡药丙谷胺的改进工艺。
Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.
以氯苯和邻苯二甲酸酐为起始原料,经四步工序成马吲哚,总收率为23.4%。
The synthetic technique of new type high molecular ashless dispersant of polybutene (PBP) and dimaleic anhydride was described.
介绍了新型高分子聚异丁烯双马来酸酐灰分散剂的
成工艺。
Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.
以邻苯二甲酸酐为原料,经硝、脱
、肼
、还原等步骤
成了3-氨基邻苯二甲酰肼。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,成了十二醇酯琥珀酸酐,采用红外光谱、
振波谱及质谱对中间产物及终产物进行了结构表证。
The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.
氢萜烯马来酸酐的
学结构与固
物的机械强度及热稳定性密切相关。
The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.
用硅钨杂多酸为催剂,以从二羧酸中分离出的戊二酸酐和异戊醇为原料
成了戊二酸二异戊酯。
Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc.
酞酐避光剂,对紫外线具有特殊的保护功效,可治疗日光性皮炎,湿疹等。
The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.
介绍对醋酸、醋酐生产中的有机废采用厌氧好氧生
处理方法的试验。
E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.
介绍由乙二胺四亚甲基膦酸(EDTMP)和解聚马来酸(HPMA)组成的锅炉
处理剂E—M配方及其应用实例。
In the presence of catalyst phosphoric acid,isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.
用磷酸做催剂,催
工业双戊烯与顺丁烯二酸酐进行异构加成反应。
In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent.
本文以1氨基蒽醌和乙酐为原料,乙酸作溶剂,成了1乙酰氨基蒽醌。
From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.
用松香纯得到的松香酸(枞酸)与马来酸酐反应得马来海松酸,再与二乙醇胺反应制得松香马来酰胺基乙醇表面活情剂.
This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.
本研究对生产偏酐所产生的母液中含有的芳香族羧酸加以回收,用于生产混酯增塑剂。
In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone.
在醋酸、聚乙二醇存在下 ,铬酸酐和苊在温和的条件下反应 ,苊可以完全转为苊酮。
In this paper, the synthesis of 2 - chloranthraquinone and 2 - aminoanthraquinone was studied.It was prepared from phthalic anhydride by acetyiation, hydrolysis and cyclization.
以苯酐和取代苯为原料,经过乙酰、
解及环
反应,
成了2-氯蒽醌和2-氨基蒽醌,并对影响收率的工艺条件进行了研究。
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.
以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰剂,研究了胆酸甲酯分子中羟基的反应活性。
Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.
随后,我们发现氮杂环卡宾也可以作为一种有机小分子催剂,分别催
各类硅试剂或酸酐对氮杂环丙烷
物的开环。
Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.
首先,以甲苯和乙酸酐为原料,在催剂三氯
铝存在下
成对甲基苯乙酮,并确定甲苯,乙酸酐和三氯
铝的最佳摩尔比为4: 1: 2,收率为86.2%。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Other suitable types of wax are maleic anhydride and bisamide modified wax.
[0050]其他类型和bisamide顺丁烯二酸酐改性
。
By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.
本文报道成抗溃疡药丙谷胺
改进工艺。
Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.
以氯苯和邻苯二甲酸酐为起始原料,经四步工序成马吲哚,总收率为23.4%。
The synthetic technique of new type high molecular ashless dispersant of polybutene (PBP) and dimaleic anhydride was described.
介绍了新型高分子聚异丁烯双马来酸酐无灰分散剂成工艺。
Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.
以邻苯二甲酸酐为原料,经硝、脱水、
、
原等步骤
成了3-氨基邻苯二甲酰
。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,成了十二醇酯琥珀酸酐,采用红外光谱、核磁共振波谱及质谱对中间产物及终产物进行了结构表证。
The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.
氢萜烯马来酸酐
学结构与固
物
机械强度及热稳定性密切相关。
The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.
用硅钨杂多酸为催剂,以从二羧酸中分离出
戊二酸酐和异戊醇为原料
成了戊二酸二异戊酯。
Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc.
酞酐避光剂,对紫外线具有特殊保护功效,可治疗日光性皮炎,湿疹等。
The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.
介绍对醋酸、醋酐生产中有机废水采用厌氧好氧生
处理方法
试验。
E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.
介绍由乙二胺四亚甲基膦酸(EDTMP)和水解聚马来酸(HPMA)组成锅炉水处理剂E—M配方及其应用实例。
In the presence of catalyst phosphoric acid,isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.
用磷酸做催剂,催
工业双戊烯与顺丁烯二酸酐进行异构加成反应。
In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent.
本文以1氨基蒽醌和乙酐为原料,乙酸作溶剂,成了1乙酰氨基蒽醌。
From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.
用松香纯得到
松香酸(枞酸)与马来酸酐反应得马来海松酸,再与二乙醇胺反应制得松香马来酰胺基乙醇表面活情剂.
This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.
本研究对生产偏酐所产生母液中含有
芳香族羧酸加以回收,用于生产混
酯增塑剂。
In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone.
在醋酸、聚乙二醇存在下 ,铬酸酐和苊在温和条件下反应 ,苊可以完全转
为苊酮。
In this paper, the synthesis of 2 - chloranthraquinone and 2 - aminoanthraquinone was studied.It was prepared from phthalic anhydride by acetyiation, hydrolysis and cyclization.
以苯酐和取代苯为原料,经过乙酰、水解及环
反应,
成了2-氯蒽醌和2-氨基蒽醌,并对影响收率
工艺条件进行了研究。
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.
以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰剂,研究了胆酸甲酯分子中羟基
反应活性。
Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.
随后,我们发现氮杂环卡宾也可以作为一种有机小分子催剂,分别催
各类硅试剂或酸酐对氮杂环丙烷
物
开环。
Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.
首先,以甲苯和乙酸酐为原料,在催剂三氯
铝存在下
成对甲基苯乙酮,并确定甲苯,乙酸酐和三氯
铝
最佳摩尔比为4: 1: 2,收率为86.2%。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件观点;若发现问题,欢迎向我们指正。
Other suitable types of wax are maleic anhydride and bisamide modified wax.
[0050]其他适的蜡类型和bisamide顺丁烯二酸酐改性蜡。
By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.
本文报道成抗溃疡药丙谷胺的改进工艺。
Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.
以氯苯和邻苯二甲酸酐为起始原料,经四步工序成马吲哚,总收率为23.4%。
The synthetic technique of new type high molecular ashless dispersant of polybutene (PBP) and dimaleic anhydride was described.
介绍了新型高分子聚异丁烯双马来酸酐无灰分散剂的成工艺。
Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.
以邻苯二甲酸酐为原料,经硝化、脱水、肼化、还原等步骤成了3-氨基邻苯二甲酰肼。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,成了十二醇酯琥珀酸酐,采用红外光谱、核磁共振波谱
质谱对中间产物
终产物进行了结构表证。
The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.
氢化萜烯马来酸酐的化学结构与固化物的机械强度定性密切相关。
The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.
用硅钨杂多酸为催化剂,以从二羧酸中分离出的戊二酸酐和异戊醇为原料成了戊二酸二异戊酯。
Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc.
酞酐避光剂,对紫外线具有特殊的保护功效,可治疗日光性皮炎,湿疹等。
The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.
介绍对醋酸、醋酐生产中的有机废水采用厌氧好氧生化处理方法的试验。
E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.
介绍由乙二胺四亚甲基膦酸(EDTMP)和水解聚马来酸(HPMA)组成的锅炉水处理剂E—M配方其应用实例。
In the presence of catalyst phosphoric acid,isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.
用磷酸做催化剂,催化工业双戊烯与顺丁烯二酸酐进行异构加成反应。
In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent.
本文以1氨基蒽醌和乙酐为原料,乙酸作溶剂,成了1乙酰氨基蒽醌。
From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.
用松香纯化得到的松香酸(枞酸)与马来酸酐反应得马来海松酸,再与二乙醇胺反应制得松香马来酰胺基乙醇表面活情剂.
This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.
本研究对生产偏酐所产生的母液中含有的芳香族羧酸加以回收,用于生产混酯增塑剂。
In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone.
在醋酸、聚乙二醇存在下 ,铬酸酐和苊在温和的条件下反应 ,苊可以完全转化为苊酮。
In this paper, the synthesis of 2 - chloranthraquinone and 2 - aminoanthraquinone was studied.It was prepared from phthalic anhydride by acetyiation, hydrolysis and cyclization.
以苯酐和取代苯为原料,经过乙酰化、水解环
反应,
成了2-氯蒽醌和2-氨基蒽醌,并对影响收率的工艺条件进行了研究。
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.
以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化剂,研究了胆酸甲酯分子中羟基的反应活性。
Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.
随后,我们发现氮杂环卡宾也可以作为一种有机小分子催化剂,分别催化各类硅试剂或酸酐对氮杂环丙烷化物的开环。
Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.
首先,以甲苯和乙酸酐为原料,在催化剂三氯化铝存在下成对甲基苯乙酮,并确定甲苯,乙酸酐和三氯化铝的最佳摩尔比为4: 1: 2,收率为86.2%。
声明:以上例句、词性分类均由互网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Other suitable types of wax are maleic anhydride and bisamide modified wax.
[0050]其他适的蜡类型和bisamide顺丁烯二酸酐改性蜡。
By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.
本文报道成抗溃疡
丙谷胺的改进工艺。
Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.
以氯苯和邻苯二甲酸酐为起始原料,经四步工序成马吲哚,总收率为23.4%。
The synthetic technique of new type high molecular ashless dispersant of polybutene (PBP) and dimaleic anhydride was described.
介绍了新型高分子聚异丁烯双马来酸酐无灰分散剂的成工艺。
Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.
以邻苯二甲酸酐为原料,经硝化、脱水、肼化、还原等步骤成了3-氨基邻苯二甲酰肼。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,成了十二醇酯琥珀酸酐,采用红外光谱、核磁共振波谱及质谱对中间产物及终产物进行了结
表证。
The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.
氢化萜烯马来酸酐的化学结化物的机械强度及热稳定性密切相关。
The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.
用硅钨杂多酸为催化剂,以从二羧酸中分离出的戊二酸酐和异戊醇为原料成了戊二酸二异戊酯。
Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc.
酞酐避光剂,对紫外线具有特殊的保护功效,可治疗日光性皮炎,湿疹等。
The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.
介绍对醋酸、醋酐生产中的有机废水采用厌氧好氧生化处理方法的试验。
E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.
介绍由乙二胺四亚甲基膦酸(EDTMP)和水解聚马来酸(HPMA)组成的锅炉水处理剂E—M配方及其应用实例。
In the presence of catalyst phosphoric acid,isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.
用磷酸做催化剂,催化工业双戊烯顺丁烯二酸酐进行异
加成反应。
In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent.
本文以1氨基蒽醌和乙酐为原料,乙酸作溶剂,成了1乙酰氨基蒽醌。
From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.
用松香纯化得到的松香酸(枞酸)马来酸酐反应得马来海松酸,再
二乙醇胺反应制得松香马来酰胺基乙醇表面活情剂.
This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.
本研究对生产偏酐所产生的母液中含有的芳香族羧酸加以回收,用于生产混酯增塑剂。
In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone.
在醋酸、聚乙二醇存在下 ,铬酸酐和苊在温和的条件下反应 ,苊可以完全转化为苊酮。
In this paper, the synthesis of 2 - chloranthraquinone and 2 - aminoanthraquinone was studied.It was prepared from phthalic anhydride by acetyiation, hydrolysis and cyclization.
以苯酐和取代苯为原料,经过乙酰化、水解及环反应,
成了2-氯蒽醌和2-氨基蒽醌,并对影响收率的工艺条件进行了研究。
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.
以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化剂,研究了胆酸甲酯分子中羟基的反应活性。
Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.
随后,我们发现氮杂环卡宾也可以作为一种有机小分子催化剂,分别催化各类硅试剂或酸酐对氮杂环丙烷化物的开环。
Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.
首先,以甲苯和乙酸酐为原料,在催化剂三氯化铝存在下成对甲基苯乙酮,并确定甲苯,乙酸酐和三氯化铝的最佳摩尔比为4: 1: 2,收率为86.2%。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。