chloro

o-chlorophenyl cyclopentl ketones were prepared with cyclopentene and o-chloro-benzoyl chloride.

邻-氯苯环戊以环戊烯与邻-氯苯甲酰氯为原料制备的；

The Product was preparcd hy 2 - mercapto bcnzimidazole and 3- chloro propyne in propanonc as solvent without phase transfer catalyst.

先由邻苯二胺二硫化碳合成2-巯苯并咪唑，炔丙醇三氯化合成3-氯丙炔；

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一套间歇氯化法生产β-氯代特戊酰氯的装置进行改造。

N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization.

以邻氯苯甲酸氧苯胺为原料,经过胺的苯化、二芳胺的环化、N-烷化、硫代化反应合成了N-丁-2-氧硫代吖啶。