[2,3]-Sigmatropic rearrangement of allylic sulfur ylides derived from trimethylsilyldiazomethane (TMSD)
作者:Varinder K Aggarwal、Marco Ferrara、Rüdiger Hainz、Sharon E Spey
DOI:10.1016/s0040-4039(99)01896-1
日期:1999.12
Trimethylsilyldiazomethane reacts with allylic sulfides in the presence of catalytic quantities of Rh2(OAc)4 (1 mol%) to give homoallylic sulfides in good yields and with high diastereoselectivity.
Iron-Catalyzed Doyle−Kirmse Reaction of Allyl Sulfides with (Trimethylsilyl)diazomethane
作者:David S. Carter、David L. Van Vranken
DOI:10.1021/ol005740r
日期:2000.5.1
catalyze the Doyle-Kirmse reaction of allyl sulfides with (trimethylsilyl)diazomethane and ethyldiazoacetate in dichloroethane at 83 degrees C. Competitive dimerization is less of a problem with (trimethylsilyl)diazomethane than with ethyldiazoacetate. Good results are obtained using only 1.5 equiv of (trimethylsilyl)diazomethane, even without slow addition. Phosphine ligands affect the kinetics, but