Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物中加入氢氧化钠,分离出钠盐和
。
Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物中加入氢氧化钠,分离出钠盐和
。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间氧基
可由
钾与间溴
在醋酸铜催化下以高产率合成。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟基香豆素的合成方法,重点介绍了法,
酰水杨酸法,水杨酸甲酯法,邻羟基
法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代和溴苄为烷基化试剂,以高产率和100%的转化率以及100%的选择
了
的O-烷基化产物。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟基与氯
酸甲酯反应,
一种
,这种
再与
醇胺反应
一种新的希夫碱。
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,以甲和
酸酐为原料,在催化剂三氯化铝存在下合成对甲基
,并确定甲
,
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。
Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物中加入氢氧化,分离
盐和苯乙酮。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间苯氧苯乙酮可由
钾与间溴苯乙酮在醋酸铜催化下以高产率合成。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟香豆素
合成方法,重点介绍了苯
法,乙酰水杨酸法,水杨酸甲酯法,邻羟
苯乙酮法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代苯乙酮和溴苄为化试剂,以高产率和100%
转化率以及100%
选择性得到了
O-
化产物。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟苯乙酮与氯乙酸甲酯反应,得到一种酮,这种酮再与乙醇胺反应得到一种新
希夫碱。
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合成对甲苯乙酮,并确定甲苯,乙酸酐和三氯化铝
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。
Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物中加入氢氧化,分离出
和苯乙酮。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间苯氧基苯乙酮可由钾与间溴苯乙酮在醋酸铜催化下以高产率合成。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟基香豆素合成方法,重点介绍了苯
法,乙酰水杨酸法,水杨酸甲酯法,邻羟基苯乙酮法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代苯乙酮和溴苄为基化试剂,以高产率和100%
转化率以及100%
选择性得到了
O-
基化产物。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟基苯乙酮与氯乙酸甲酯反应,得到一种酮,这种酮再与乙醇胺反应得到一种新希夫碱。
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合成对甲基苯乙酮,并确定甲苯,乙酸酐和三氯化铝最佳摩尔比为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。
Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物中加入氢氧化钠,分离出钠盐和苯乙酮。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
苯氧基苯乙酮可由
钾
苯乙酮在醋酸铜催化下
率合成。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟基香豆素的合成方法,重点介绍了苯法,乙酰水杨酸法,水杨酸甲酯法,邻羟基苯乙酮法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用代苯乙酮和
苄为烷基化试剂,
率和100%的转化率
及100%的选择性得到了
的O-烷基化
物。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟基苯乙酮氯乙酸甲酯反应,得到一种酮,这种酮再
乙醇胺反应得到一种新的希夫碱。
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,甲苯和乙酸酐为原料,在催化剂三氯化铝存在下合成对甲基苯乙酮,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: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。
Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物中加入氢氧钠,分离出
钠盐和苯
。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间苯氧苯
可由
钾与间溴苯
醋酸铜催
下以高产率合成。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟香豆素的合成方法,重点介绍了苯
法,
酰水杨酸法,水杨酸甲酯法,邻羟
苯
法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代苯和溴苄为烷
剂,以高产率和100%的转
率以及100%的选择性得到了
的O-烷
产物。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟苯
与氯
酸甲酯反应,得到一种
,这种
再与
醇胺反应得到一种新的希夫碱。
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,以甲苯和酸酐为原料,
催
剂三氯
铝存
下合成对甲
苯
,并确定甲苯,
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。
Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物中加入氢氧化钠,分离出钠盐和
乙酮。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间氧
乙酮可由
钾与间溴
乙酮在醋酸铜催化下以高产率合成。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述4-
香豆素的合成方法,重点介绍
法,乙酰水杨酸法,水杨酸甲酯法,邻
乙酮法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代乙酮和溴苄为烷
化试剂,以高产率和100%的转化率以及100%的选择性得到
的O-烷
化产物。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对乙酮与氯乙酸甲酯反应,得到一种酮,这种酮再与乙醇胺反应得到一种新的希夫碱。
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,以甲和乙酸酐为原料,在催化剂三氯化铝存在下合成对甲
乙酮,并确定甲
,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。
Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物氢氧化钠,分离出
钠盐和
酮。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间氧
酮可由
钾与间溴
酮在醋酸铜催化下以高产率合成。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟香豆素的合成方法,重点介绍了
法,
酰水杨酸法,水杨酸甲酯法,邻羟
酮法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代酮和溴苄为烷
化试剂,以高产率和100%的转化率以及100%的选择性得到了
的O-烷
化产物。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟酮与氯
酸甲酯反应,得到一种酮,这种酮再与
醇胺反应得到一种新的希夫碱。
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,以甲和
酸酐为原料,在催化剂三氯化铝存在下合成对甲
酮,并确定甲
,
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。
Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物中加入氢氧化钠,分离出钠盐和苯乙酮。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间苯氧基苯乙酮可由钾与间溴苯乙酮在醋酸铜催化下以高产率合成。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-羟基香豆素的合成方法,重点介绍了苯法,乙酰水杨酸法,水杨酸
法,邻羟基苯乙酮法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代苯乙酮和溴苄为烷基化试剂,以高产率和100%的转化率以及100%的选择性得到了的O-烷基化产物。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
由对羟基苯乙酮与氯乙酸应,得到一种酮,这种酮再与乙醇胺
应得到一种新的希夫碱。
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,以苯和乙酸酐为原料,在催化剂三氯化铝存在下合成对
基苯乙酮,并确定
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。
Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.
共沸物中加入钠,分离出
钠盐和苯乙酮。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间苯基苯乙酮可
钾与间溴苯乙酮在醋酸铜催
下以高产率合成。
The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.
概述了4-基香豆素的合成方法,重点介绍了苯
法,乙酰水杨酸法,水杨酸甲酯法,邻
基苯乙酮法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代苯乙酮和溴苄为烷基试剂,以高产率和100%的转
率以及100%的选择性得到了
的O-烷基
产物。
P-hydroxyacetophenone combined with methyl chloroacetate can get a new acetonate.This new acetonate combined with another compound-ethanolamine and get a new schiff base.
基苯乙酮与氯乙酸甲酯反应,得到一种酮,这种酮再与乙醇胺反应得到一种新的希夫碱。
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
铝存在下合成
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。