A Simple Synthesis of<i>gem</i>-Bromochlorocyclopropanes via Phase-Transfer Catalysis
作者:Paweł Balcerzak、Andrzej Jończyk
DOI:10.1055/s-1991-26592
日期:——
Substituted 1-bromo-1-chlorocyclopropanes 2 were synthesized from dibromomethane, phenyltrichloromethane trichloride and alkenes 1 in the presence of 60% aqueous potassium hydroxide and tetrabutylammonium hydrogen sulfate as a catalyst (PTC system), in good yields.
在 60% 的氢氧化钾水溶液和四丁基硫酸氢铵作为催化剂(PTC 系统)的存在下,以二溴甲烷、苯基三氯甲烷三氯化物和烯烃 1 为原料合成了被取代的 1-溴-1-氯环丙烷 2,收率良好。