lthio-1,3-butadienes which are substituted with an alkyl group at the 4-position are not preparable by copper(I)-induced elimination of thiophenol from 4-alkyl-2-methoxy-1,1-bis(phenylthio)-3-alkenes; a 2-step stereospecific synthesis of one such diene () is described.
(Z)-2-甲氧基-1-苯基
硫基-
1,3-丁二烯在4-位被烷基取代不能通过
铜(I)诱导的从4-烷基-2-甲氧基中去除
苯硫酚来制备-1,1-双(苯
硫基)-3-烯烃 描述了一种这样的二烯()的两步立体有规合成。