3-Méthyl 1,1-bis(triméthylsiloxy) 1,3-butadiène et 4-triméthylsilyl 3-méthyl 2-butènoate de triméthylsilyle: préparations et réactions avec le benzaldéhyde
A New Synthesis of 5-Substituted 3-Methyl-2-phenylthio-2-penten-5-olides
作者:Huiwen Su、Kozo Shirai、Takanobu Kumamoto
DOI:10.1246/bcsj.65.2794
日期:1992.10
Dienolate 11, which was produced from 3-methyl-2-phenylthio-2-butenoic acid (1) and two equivalents of LDA, reacted with aldehydes or ketones to give 5-alkyl-3-methyl-2-phenylthio-2-penten-5-olides (12) in good yields.