Synthesis of 2-acetonyloxo-3,4-difluoronitrobenzene
作者: Liang, Yanyu ; Wang, Bin ; Wang, Jiesheng
An improved procedure for preparation of the title compound (I) is presented.Condensation of 2,3,4-trifluoro-nitrobenzene with 2-hydroxymethyl-2-methyl-1,3-dioxane followed by hydrolysis to give I with a yield of 90%.
Jingxi Huagong Zhongjianti
Synthesis of 1-(3-chlorophenyl)-4-(3-chloropropyl)piperazine hydrochloride
1-(3-Chlorophenyl) piperazine was synthesized from 3-chloroaniline and bis(2-chloroethyl)amine hydrochloride, and reacted with 1-bromo-3-chloropropane to give 1-(3-chlorophenyl)-4-(3-chloropropyl)piperazine hydrochloride.The overall yield was 45.7%.
Huaxue Shiji
Synthesis of 9-(2-hydroxyethyl) adenine
作者: Meng, Jin-ning ; Zhao, Yang
9-(2-Hydroxyethyl) adenine was prepared from ethylene carbonate and adenine with recycling of DMF solvent.