Synthesis of 2,5-Disubstituted Tetrahydrofurans by Stereospecific Elimination−Cyclization of 1-Iodomethyl-1,5-bis-epoxides
作者:James A. Marshall、Harry R. Chobanian
DOI:10.1021/ol034509l
日期:2003.5.1
[reaction: see text] Treatment of 1-iodomethyl-1,5-bis-epoxides with zinc in refluxing ethanol affords cis or trans 2-vinyl-5-(1-hydroxyethy)-substituted tetrahydrofurans stereospecifically in high yield.
[反应:见正文]在回流的
乙醇中用
锌处理1-
碘甲基-1,5-双
环氧化物,可以高产率立体定向地制备顺式或反式2-
乙烯基-5-(1-羟基乙基)-取代的
四氢呋喃。