[4 + 1] Cycloaddition of Bis(alkylthio)carbenes with Vinyl Isocyanates. Total Synthesis of (±)-Mesembrine
作者:James H. Rigby、Weitong Dong
DOI:10.1021/ol005706c
日期:2000.6.1
[reaction: see text] The Sceletium alkaloid mesembrine has been synthesized in 13% overall yield by a sequence featuring a [4 + 1] cycloaddition of a bis(alkylthio)carbene with a functionalized vinyl isocyanate.
[反应:见正文] Sceletium生物碱甲基苯丙氨酸甲酯已通过具有双(烷硫基)卡宾与官能化的异氰酸乙烯基酯的[4 +1]环加成的序列合成,总收率为13%。