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。
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烷基化试剂,以高产率和100%的转化率以及100%的选择性了
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甲酯反应,种酮,这种酮再与乙醇胺反应
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: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%的选择性得到了
的O-烷基化产
。
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,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
钠盐和苯乙
。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间苯氧基苯乙钾与间溴苯乙
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-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
法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代苯乙和溴苄为烷基
试剂,以高产率和100%
率以及100%
选择性得到了
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.
对羟基苯乙
与氯乙酸甲酯反应,得到一种
,这种
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,在催剂三氯
铝存在下合成对甲基苯乙
,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.
概述了4-羟香豆素
合成方法,重点介绍了
法,乙酰水杨酸法,水杨酸甲酯法,邻羟
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%
转化率以
100%
择性得到了
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
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
酮。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间氧基
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4-羟基香豆素的合成方法,重点介绍
法,
酰水杨酸法,水杨酸甲酯法,邻羟基
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
溴苄为烷基化试剂,以高产率
100%的转化率以及100%的选择性
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.
由对羟基酮与氯
酸甲酯反应,
一种酮,这种酮再与
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,以甲酸酐为原料,在催化剂三氯化铝存在下合成对甲基
酮,并确定甲
,
酸酐
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.
间乙酮可由
钾与间溴
乙酮在醋酸铜催化下
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
法,乙酰水杨酸法,水杨酸甲酯法,邻羟
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,
高产率和100%
转化率
100%
选择性得到了
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,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
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
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%转化率以及100%
选择性得到了
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
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.
共沸物中加入氢氧钠,分离出
钠盐和苯乙
。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间苯氧基苯乙钾与间溴苯乙
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-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
法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代苯乙和溴苄为烷基
试剂,以高产率和100%
率以及100%
选择性得到了
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.
对羟基苯乙
与氯乙酸甲酯反应,得到一种
,这种
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,在催剂三氯
铝存在下合成对甲基苯乙
,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.
间苯氧苯乙酮可由
钾与间溴苯乙酮
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,重点介绍了苯
法,乙酰水杨
法,水杨
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-
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
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,以甲苯和乙酐
原料,
催化剂三氯化铝存
下合成对甲
苯乙酮,并确定甲苯,乙
酐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。