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,
一种酮,这种酮再与乙醇胺反
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.
共沸物中加入氢氧钠,分离出
钠盐
苯
。
Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.
间苯氧基苯可由
钾与间溴苯
在醋酸铜催
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,
酰水杨酸法,水杨酸甲酯法,邻羟基苯
法。
The phenols were O-alkylated with 100% conversion and 100% selectivities using phenacyl bromide and benzyl bromide as alkylating reagents.
用溴代苯溴苄为烷基
试剂,
高产率
100%的转
率
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,甲苯
酸酐为原料,在催
剂三氯
铝存在
合成对甲基苯
,并确定甲苯,
酸酐
三氯
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.
共沸中加入氢氧
,
离出
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.
间苯氧基苯乙酮可钾与间溴苯乙酮在醋酸铜催
下以高
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试剂,以高
率和100%的转
率以及100%的选择性得到了
的O-烷基
。
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、词性类均
互联网资源自动生成,部
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.
共沸中加入氢氧
,
出
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
下以高
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试剂,以高
率和100%的转
率以及100%的选择性得到了
的O-烷基
。
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,以甲苯和乙酸酐为原料,在催剂三氯
铝存在下合成对甲基苯乙酮,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、词性类均由互联网资源自动生成,部
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
苯乙酮在醋
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
法,水杨
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
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
原料,在
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
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。
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-羟基香豆素的法,重点介绍了苯
法,乙酰
法,
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
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%。
声明:以上例句、词性分类均由互联网资源自动生,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。