Complications in the reactions of tris(thio)methyl-lithium derivatives with δ-valerolactone
作者:Peter Yates、Jiri J. Krepinsky、Azza Seif-el-nasr
DOI:10.1039/c39890000177
日期:——
Reaction of tris(methylthio)methyl-lithium, tris(phenylthio)methyl-lithium, and 2-lithio-2-(methylthio)-1,3-dithiane with δ-valerolactone gives, respectively, 2-[bis(methylthio)methyl]tetrahydropyran-2-ol, phenyl tetrahydro-2-oxopyran-3-thiocarboxylate, and both 2-[2-(1,3-dithianyl)tetrahydropyran]-2-ol and 2-[2-(1,3-dithianyl)]tetrahydro-2-(methylthio)pyran-2-ol.
三(甲硫基)甲基-锂,三(苯硫基)甲基-锂和2-二硫基-2-(甲硫基)-1,3-二硫杂环丁烷与δ-戊内酯的反应分别得到2- [双(甲硫基)甲基]四氢吡喃-2-醇,苯基四氢-2-氧吡喃-3-硫代羧酸酯,以及2- [2-(1,3-二噻吩基)四氢吡喃] -2-醇和2- [2-(1,3-二噻吩基) )]四氢-2-(甲硫基)吡喃-2-醇。