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
。
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,分离出
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4-羟基香豆素
合成方法,重点介绍
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.
用溴代苯乙酮溴苄为烷基化试剂,以高产率
100%
转化率以及100%
选择性得到
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,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
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
乙
。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
氧基
乙
可由
钾与
溴
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,重点介绍了法,乙酰水杨酸法,水杨酸甲酯法,邻羟基
乙
法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代乙
和溴苄为烷基化试剂,以高产率和100%的转化率以及100%的
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基
乙
,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-羟基的合成方法,重点介绍了苯
法,乙酰水杨酸法,水杨酸甲
法,
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.
间氧基
酮可由
钾与间
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
酮法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用代
酮和
苄为烷基化
,
高产率和100%的转化率
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,甲
和
酸酐为原料,在催化
三氯化铝存在下合成对甲基
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: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
苯乙酮。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间苯氧基苯乙酮可与间溴苯乙酮在醋酸铜催化下以高产
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.
用溴代苯乙酮溴苄为烷基化试剂,以高产
100%
转化
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.
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
三氯化铝
最佳摩尔比为4: 1: 2,收
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
乙
。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
氧基
乙
可由
钾与
溴
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,重点介绍了法,乙酰水杨酸法,水杨酸甲酯法,邻羟基
乙
法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代乙
和溴苄为烷基化试剂,以高产率和100%的转化率以及100%的
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基
乙
,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-羟基的合成方法,重点介绍了苯
法,乙酰水杨酸法,水杨酸甲
法,
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。