chloro-butyric acid

As one of the main precursor of poly ( phenylene sulfide amide), 4 chloro N ( 4 ′ chlorophenyl) benzamide ( DCBA) of high purity was two step synthesized from 4 chlorobenzoic acid and 4 chloroaniline with good yield.

以对氯苯甲酸和对氯苯胺为主要原料，高产率获得了4－氯－N－（4′－氯亚苯基）苯甲酰胺（简称DCBA）。

Synthesis of β-Chloro t-Butyl Carboxylic Acid Chloride through Continuous Liquid Phase Chloration

连续液相氯化法合成β-氯代特戊酰氯

Batch chloration plant of synthesizing β-chloro t-butyl carboxylic acid chloride was improved by using continuous liquid phase method.

利用连续液相氯化法对一套间歇氯化法生产β-氯代特戊酰氯的装置进行改造。

Synthesis of kojic distearate from stearate acid, chloro-sulfoxide and kojic acid was studied.

介绍了以硬脂酸, 氯化亚砜,曲酸等为原料制备双硬脂酸曲酸酯的方法.

A sensitive chromogenic reagent , 2-( 4-chloro-2-phosphophenylazo )-7-( 2,4-dichlorophenylazo )-1,8-dihydroxy-3,6-naphthalene disulfonic acid ( abbreviation : DC-CPA ), has been used in the spectrophotometric determination of bismuth.

研究了 2- ( 4-氯 -2- 膦酸基苯偶氮 ) -7- ( 2, 4- 二氯苯偶氮 ) -1, 8-二羟基-3, 6- 萘二磺酸 ( DC -CPA ) 与铋的显色反应.