Solvent effects in the chlorination of tetrahydrothiophens with n-chlorosuccinimide
作者:Paul A. Delaney、Robert A.W. Johnstone
DOI:10.1016/s0040-4020(01)91405-x
日期:1985.1
Depending simply on solvent, the reaction of N-chlorosuccinimide with tetrahydrothiophen can be arranged to give either 2-chloro-tetrahydrothiophen or 2,3-dichlorotetrahydrothiophen. In the latter case, a novel compound, 2-(4-chlorobutylthio)thiophen was isolated also. For 2-methyl- and 2,5-dimethyltetrahydrothiophen the solvent dependency was almost entirely eliminated, the principal reaction products
仅取决于溶剂,可以安排N-氯代琥珀酰亚胺与四氢噻吩的反应以得到2-氯-四氢噻吩或2,3-二氯四氢噻吩。在后一种情况下,还分离出新型化合物2-(4-氯丁硫基)噻吩。对于2-甲基和2,5-二甲基四氢噻吩,几乎完全消除了溶剂依赖性,主要反应产物是二氯化反应产生的产物。