The influence of K_2CO_3 on the double carbonylation of benzyl chloride was investigated.
探讨了碳酸钾对氯苄双羰化反应的影响,发现氯化钴/碳酸钾对氯苄的双羰化反应有一定的助催化作用。
1-(4-Aminophenylmethanesulfonyl)pyrrolidine(Ⅰ) was prepared starting from benzyl chloride in total yield of 32.
以氯苄为主要原料制备了对氨基苯甲磺酰吡咯烷(Ⅰ)。
1-(4-Nitrophenyl methanesulfonyl) pyrrolidine (Ⅴ) was prepared by four-step reactions, starting from benzyl chloride (Ⅰ).
以氯苄为原料,经4步反应制得p-硝基苯甲磺酰吡咯烷。
The preparation of o-chlorobenzaldehyde from the residual liquid generated in the production of o-chlorobenzyl chloride;
由生产邻氯氯苄的残液制备邻氯苯甲醛
According to the main problem of current synthesis of o-chlorobenzyl chloride in our country,effective improvement was studied to increase the reaction conversion to 60% by use of a new catalyst CHJ-3.
针对目前国内邻氯氯苄生产工艺存在的主要问题,通过选用新型催化剂CHJ-3,改进催化氯化工艺,使氯化反应邻氯甲苯转化率达到60%。
Taking o-cholorotoluene as raw material,the factors influencing the photochlorination synthesis of the o-chlorobenzyl chloride were investigated.
研究了邻氯甲苯光氯化生成邻氯氯苄的各项影响因素,在适宜条件下,邻氯甲苯的转化率可达75%以上,反应过程邻氯氯苄的收率可达90%。