ethylating agent

用法例句

4-Amino-5-chloro-2-ethoxybenzoic acid, the important intermediate of mosapride, was synthesized from sodium p-aminosalicylate by esterification, amidation, o-ethylation by diethyl sulphat, and then hydrolysis with an overall yield of 47.

以硫酸二乙酯为o-乙基化试剂,可提高收率,缩短反应时间,总收率47。

Amino-5-chloro-2-ethoxybenzoic acid, the important intermediate of mosapride, was synthesized from sodium p-aminosalicylate by esterification, amidation, O-ethylation by EtBr, and then hydrolysis with an overall yield of 57.

以溴乙烷为 O-乙基化试剂 ,并预先加入催化量的碘化钾 ,可提高收率 ,缩短反应时间。

triethyl phosphate catalyst

三乙基磷酸酯催化剂

Phosphatotungstic Acids Catalysts Supported on Alumina

磷钨酸-拟薄水铝石负载催化剂合成对羟基苯甲酸乙酯

Acetalization of ethyl acetoacetate with ethylene glycol using heteropolyacid H_3PW_(12)O_(40) supported on active carbon as catalyst

乙酰乙酸乙酯与乙二醇在活性炭负载磷钨酸催化剂上缩合反应

In this paper tungstosilicic triethanolamine salt and tungstophoric triethanolamine salt were prepared and used as catalysts in the synthesis of n-butyl lactate, The synthetic conditions with tungstosilicic triethanolamine salt as catalyst were also examined.

合成了硅钨三乙醇胺盐和磷钨酸三乙醇胺盐,并以它们为催化剂,合成了乳酸正丁酯。

Study on Direct Synthesis of Ethyl Acetate from Ethanol over Mo-Based Catalyst;

钼基催化剂乙醇一步法制备乙酸乙酯的研究

Study on synthesis of ethyl acetate with tungstophosphoric acid as catalysts;

磷钨杂多酸催化合成乙酸乙酯的研究

Study on Catalysts for Ethyl Acetate Catalytic Combustion Purification;

乙酸乙酯催化燃烧净化催化剂的研究

Composing 1-phyomone methylester with Modified Catalyzer;

改性催化剂催化合成1——萘乙酸甲酯

Advances in synthesis of diethyl malonate catalyst by carbonylation

羰基化法合成丙二酸二乙酯催化剂的研究进展

Studies on the Amorphous Ru-base Catalysts and Their Applications in the Hydrogenation of Ethyl Lactate;

非晶态Ru基催化剂及其乳酸乙酯加氢反应研究

Research Progress in Catalysts for Synthesizing P-Hydroxyl Ethyl Benzoate;

对羟基苯甲酸乙酯合成催化剂的研究进展

Reactive Distillation Process of Ethyl Acetate Synthesis Catalysed by 12-molybdophosphoric Acid;

磷钼酸催化精馏合成乙酸乙酯工艺研究

The synthesis of ethyl acetate with compound tungstophosphoric acid as catalysts;

复配型钨磷酸催化合成乙酸乙酯的研究

The Heterogenerogs Catelytic Synthesis of Ethyl Phnylacetate by Supported Heteropolyacid Catalyst PW12/C;

活性炭固载磷钨杂多酸催化合成苯乙酸乙酯

Regioselective Synthesis of 2-O-Vinyl Adipoyl Sucrose Ester Catalyzed by Immobilized Phosphates

固定化磷酸盐选择性催化合成2-O-己二酸单乙烯基蔗糖酯

The Preparation of Cobalt Carbonys Catalyst and Its Catalyzed Carbonylation for Synthesis of Diethyl Malonates

羰基钴催化剂的制备及其催化羰基化合成丙二酸二乙酯

Catalytic Synthesis of Ethylene Glycol Diacetate by Environmental Friendly Catalysts;

环境友好催化剂催化合成乙二醇二乙酸酯

Synthesis of ethye acetate catalysed by LaZSM-5 zeolite;

La系分子筛催化剂催化合成乙酸乙酯的研究