A novel construction of polyfunctionalised trans-hydroindanes via sulphur-mediated intramolecular double Michael type reaction
作者:Masataka Ihara、Shuichi Suzuki、Nobuaki Taniguchi、Keiichiro Fukumoto、Chizuko Kabuto
DOI:10.1039/c39910001168
日期:——
trans-Hydroindanes possessing an angular methyl group were stereoselectively synthesised via treatment of the four geometrical isomers 1a–1d of 9-rnethoxycarbonyl-4-methyl-1-phenylthionona-1,8-dien-3-one with tert-butyldimethylsilyl trifluoromethanesulphonate in the presence of triethylamine.
通过用叔丁基二甲基甲硅烷基三氟甲磺酸酯处理 9-甲氧基羰基-4-甲基-1-苯硫酮-1,8-二烯-3-酮的四种几何异构体 1a-1d,立体选择性地合成了具有角甲基的反式氢茚满。三乙胺的存在。