In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.

本文介绍了以亚酸乙酯代替亚酸丁酯,用氯苯代替无水乙醚铜铁试剂新工艺。

Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.

以苯胺、氯苯为原料,采用直接缩法引入相转移催化剂二苯胺。

Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.

以氯苯和苯二甲酸酐为起始原料，经四步工序马哚，总收率为23．4％。

In addition, the subjects who took guanfacine had significantly more somnolence, lightheadedness, and dry mouth than those who took placebo.

另外，服用氯苯乙胍患者比服用安慰剂患者有更明显嗜睡、头昏、口干等症状。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二氯苯甲醛工艺路线,并比较利弊,阐述了对甲苯磺酰氯氯化水解法优越性。

In the liquor of acetic acid,the catalyzed synthesis of m-chlorobenzoic acid by the reaction of m-chlorobenzal dehyde and potassium bromate was studied.

在醋酸溶液中,以间氯苯甲醛、溴酸钾为原料间氯苯甲酸,分别研究了反应温度、反应时间、原料配比、溶剂用量等条件对反应影响,确定了最佳工艺条件。

Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0.

建立一种采用高效液相色谱检测复方制剂中氢溴酸美沙芬、愈创木酚甘油醚和马来酸氯苯那敏含量方法。

In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.

本文介绍了以亚硝乙酯代替亚硝丁酯,用氯苯代替无水乙醚合成铜铁试剂新工艺。

Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.

以苯胺、邻硝基氯苯为原料,采用直接缩合法引入相转移催化剂合成邻硝基二苯胺。

Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.

以氯苯和邻苯二为起始原料，经四步工序合成马哚，总收率为23．4％。

In addition, the subjects who took guanfacine had significantly more somnolence, lightheadedness, and dry mouth than those who took placebo.

另外，服用氯苯乙胍比服用安慰剂有更明显嗜睡、头昏、口干等症状。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二氯苯醛合成工艺路线,并比较利弊,阐述了对苯磺酰氯氯化水解法优越性。

In the liquor of acetic acid,the catalyzed synthesis of m-chlorobenzoic acid by the reaction of m-chlorobenzal dehyde and potassium bromate was studied.

在醋溶液中,以间氯苯醛、溴钾为原料合成间氯苯,分别研究了反应温度、反应时间、原料配比、溶剂用量等条件对合成反应影响,确定了最佳工艺条件。

Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0.

建立一种采用高效液相色谱检测复方制剂中氢溴美沙芬、愈创木酚甘油醚和马来氯苯那敏含量方法。

In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.

本文介绍了以亚硝酸乙酯代替亚硝酸丁酯,苯代替无水乙醚合成铜铁试剂的新工艺。

Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.

以苯胺、邻硝基苯为,采直接缩合法引入相转移催化剂合成邻硝基二苯胺。

Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.

以苯和邻苯二甲酸酐为起始，四步工序合成马哚，总收率为23．4％。

In addition, the subjects who took guanfacine had significantly more somnolence, lightheadedness, and dry mouth than those who took placebo.

另外，苯乙胍的患者比安慰剂的患者有更明显的嗜睡、头昏、口干等症状。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二苯甲醛的合成工艺路线,并比较利弊,阐述了对甲苯磺酰化水解法的优越性。

In the liquor of acetic acid,the catalyzed synthesis of m-chlorobenzoic acid by the reaction of m-chlorobenzal dehyde and potassium bromate was studied.

在醋酸溶液中,以间苯甲醛、溴酸钾为合成间苯甲酸,分别研究了反应温度、反应时间、配比、溶剂的量等条件对合成反应的影响,确定了最佳工艺条件。

Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0.

建立一种采高效液相色谱检测复方制剂中氢溴酸美沙芬、愈创木酚甘油醚和马来酸苯那敏含量的方法。

In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.

本文介绍了以亚硝酸乙酯代替亚硝酸丁酯,用氯苯代替无水乙醚成铜铁试剂的新艺。

Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.

以苯胺、邻硝基氯苯原料,采用直接缩法引入相转移催化剂成邻硝基二苯胺。

Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.

以氯苯和邻苯二甲酸酐起始原料，经四步成马哚，总23．4％。

In addition, the subjects who took guanfacine had significantly more somnolence, lightheadedness, and dry mouth than those who took placebo.

另外，服用氯苯乙胍的患者比服用安慰剂的患者有更明显的嗜睡、头昏、口干等症状。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二氯苯甲醛的成艺路线,并比较利弊,阐述了对甲苯磺酰氯氯化水解法的优越性。

In the liquor of acetic acid,the catalyzed synthesis of m-chlorobenzoic acid by the reaction of m-chlorobenzal dehyde and potassium bromate was studied.

在醋酸溶液中,以间氯苯甲醛、溴酸钾原料成间氯苯甲酸,分别研究了反应温度、反应时间、原料配比、溶剂的用量等条件对成反应的影响,确定了最佳艺条件。

Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0.

建立一种采用高效液相色谱检测复方制剂中氢溴酸美沙芬、愈创木酚甘油醚和马来酸氯苯那敏含量的方法。

In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.

本文介绍了以亚硝酸乙代替亚硝酸,氯苯代替无水乙醚合成铜铁试剂新工艺。

Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.

以苯胺、邻硝基氯苯为原料,采直接缩合法引入相转移催化剂合成邻硝基二苯胺。

Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.

以氯苯和邻苯二甲酸酐为起始原料，经四步工序合成马哚，总收率为23．4％。

In addition, the subjects who took guanfacine had significantly more somnolence, lightheadedness, and dry mouth than those who took placebo.

另外，服氯苯乙胍患者比服安慰剂患者有更明显嗜睡、头昏、口干等症状。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二氯苯甲醛合成工艺路线,并比较利弊,阐述了对甲苯磺酰氯氯化水法优越性。

In the liquor of acetic acid,the catalyzed synthesis of m-chlorobenzoic acid by the reaction of m-chlorobenzal dehyde and potassium bromate was studied.

在醋酸溶液中,以间氯苯甲醛、溴酸钾为原料合成间氯苯甲酸,分别研究了反应温度、反应时间、原料配比、溶剂量等条件对合成反应影响,确定了最佳工艺条件。

Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0.

建立一种采高效液相色谱检测复方制剂中氢溴酸美沙芬、愈创木酚甘油醚和马来酸氯苯那敏含量方法。

In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.

本文介绍了以亚硝酸酯代替亚硝酸丁酯,用氯代替醚合成铜铁试剂的新工艺。

Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.

以胺、邻硝基氯为原料,采用直接缩合法引入相转移催化剂合成邻硝基二胺。

Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.

以氯和邻二甲酸酐为起始原料，经四步工序合成马哚，总收率为23．4％。

In addition, the subjects who took guanfacine had significantly more somnolence, lightheadedness, and dry mouth than those who took placebo.

另外，服用氯胍的患者比服用安慰剂的患者有更明显的嗜睡、头昏、口干等症状。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二氯甲醛的合成工艺路线,并比较利弊,阐述了对甲氯氯化解法的优越性。

In the liquor of acetic acid,the catalyzed synthesis of m-chlorobenzoic acid by the reaction of m-chlorobenzal dehyde and potassium bromate was studied.

在醋酸溶液中,以间氯甲醛、溴酸钾为原料合成间氯甲酸,分别研究了反应温度、反应时间、原料配比、溶剂的用量等条件对合成反应的影响,确定了最佳工艺条件。

Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0.

建立一种采用高效液相色谱检测复方制剂中氢溴酸美沙芬、愈创木酚甘油醚和马来酸氯那敏含量的方法。

In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.

本文介绍了以亚硝酸乙酯代替亚硝酸丁酯,用氯苯代替无水乙醚合成剂的新工艺。

Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.

以苯胺、邻硝基氯苯为原料,采用直接缩合法引入相转移催化剂合成邻硝基二苯胺。

Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.

以氯苯和邻苯二甲酸酐为起始原料，经四步工序合成马哚，总收率为23．4％。

In addition, the subjects who took guanfacine had significantly more somnolence, lightheadedness, and dry mouth than those who took placebo.

另外，服用氯苯乙胍的患者比服用安慰剂的患者有更明显的嗜睡、头昏、口干等症状。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二氯苯甲醛的合成工艺路线,并比较利,了对甲苯磺酰氯氯化水解法的优越性。

In the liquor of acetic acid,the catalyzed synthesis of m-chlorobenzoic acid by the reaction of m-chlorobenzal dehyde and potassium bromate was studied.

在醋酸溶液中,以间氯苯甲醛、溴酸钾为原料合成间氯苯甲酸,分别研究了反应温度、反应时间、原料配比、溶剂的用量等条件对合成反应的影响,确定了最佳工艺条件。

Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0.

建立一种采用高效液相色谱检测复方制剂中氢溴酸美沙芬、愈创木酚甘油醚和马来酸氯苯那敏含量的方法。

In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.

本文以亚硝酸乙酯代替亚硝酸丁酯,用氯苯代替无水乙醚合成铜铁试剂的新工艺。

Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.

以苯胺、邻硝基氯苯为原料,采用合法引入相转移催化剂合成邻硝基二苯胺。

Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.

以氯苯和邻苯二甲酸酐为起始原料，经四步工序合成马哚，总收率为23．4％。

In addition, the subjects who took guanfacine had significantly more somnolence, lightheadedness, and dry mouth than those who took placebo.

另外，服用氯苯乙胍的患者比服用安慰剂的患者有更明显的嗜睡、头昏、口干等症状。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要四种二氯苯甲醛的合成工艺路线,并比较利弊,阐述对甲苯磺酰氯氯化水解法的优越性。

In the liquor of acetic acid,the catalyzed synthesis of m-chlorobenzoic acid by the reaction of m-chlorobenzal dehyde and potassium bromate was studied.

在醋酸溶液中,以间氯苯甲醛、溴酸钾为原料合成间氯苯甲酸,分别研究反应温度、反应时间、原料配比、溶剂的用量等条件对合成反应的影响,确定最佳工艺条件。

Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0.

建立一种采用高效液相色谱检测复方制剂中氢溴酸美沙芬、愈创木酚甘油醚和马来酸氯苯那敏含量的方法。

In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.

本文介绍了以亚硝酸乙酯代替亚硝酸丁酯,用代替无水乙醚合成铜铁试剂的新工艺。

Nitrodiphenylamine is synthesiized by direct condensing method,adsopting aniline and 2-nitrochlorobenzene as feeds,PEG as phase transfer catalyst.

以胺、邻硝基为原料,采用直接缩合法引入相转移催化剂合成邻硝基二胺。

Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23.4%.

以和邻二甲酸酐为起始原料，经四步工序合成马哚，总收率为23．4％。

In addition, the subjects who took guanfacine had significantly more somnolence, lightheadedness, and dry mouth than those who took placebo.

另外，服用乙胍的患者比服用安慰剂的患者有更明显的嗜睡、头昏、口干等症状。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种二甲醛的合成工艺路线,并比较利弊,阐述了对甲磺酰化水解法的优越性。

In the liquor of acetic acid,the catalyzed synthesis of m-chlorobenzoic acid by the reaction of m-chlorobenzal dehyde and potassium bromate was studied.

在醋酸溶液中,以甲醛、溴酸钾为原料合成甲酸,分别研究了反应温度、反应时、原料配比、溶剂的用量等条件对合成反应的影响,确定了最佳工艺条件。

Objective : A method of HPLC for the determination of complex preparations of guaiphenesin , chlorpheniramine maleate and dextromethorphan hydrobromide has been described Methods : C 18 column , 0.

建立一种采用高效液相色谱检测复方制剂中氢溴酸美沙芬、愈创木酚甘油醚和马来酸那敏含量的方法。