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。

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,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.

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，在催三氯铝存在下合成对甲基，并确定甲，酸酐和三氯铝的最佳摩尔比为4: 1: 2，收率为86.2%。

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，介绍了苯法，乙酰水法，水甲酯法，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，乙酐和三氯化铝的最佳摩尔比为4: 1: 2，收率为86.2%。

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%。

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甲,得到一种酮,这种酮再与乙醇胺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%。

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%。

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铜催化下以高产率。

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-羟基香豆素方法，重点介绍了苯法，乙酰水法，水酯法，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%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，以苯和乙酐为原料，在催化剂三氯化铝存在下对基苯乙酮，并确定苯，乙酐和三氯化铝最佳摩尔比为4: 1: 2，收率为86.2%。

Sodium phenolate and acetophenone can be obtained by adding sodium hydrate into azeotrope.

共沸物中氧化钠,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.

概述了4-香豆素的合成方法，重点介绍了法，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%。

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苯乙酮在醋酸下以高产率合成。

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.

用代苯乙酮为烷基试剂,以高产率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.

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，以甲苯乙酸酐为原料，在剂三氯铝存在下合成对甲基苯乙酮，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%。

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。

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下高产合成。

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试剂,高产和100%的转及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.

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，甲和酸酐为原料，在催剂三氯铝存在下合成对甲基，并确定甲，酸酐和三氯铝的最佳摩尔比为4: 1: 2，收为86.2%。

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。

Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.

间苯氧基苯乙可由钾与间溴苯乙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.

由对羟基苯乙与氯乙酸甲酯反应,得到一,再与乙醇胺反应得到一新的希夫碱。

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，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%。