137570-81-1Relevant articles and documents
One-Flask, Consecutive and Sigmatropic Rearrangements for Conversions of Propargylic Alcohols into Two-Carbon-Extended 4-Oxo-2-alkenoate Esters. Use of a New 1-Chloro-1-ethoxy-2-sulfinylethylene
Posner, Gary H.,Carry, Jean-Christophe,Crouch, R. David,Johnson, Neil
, p. 6987 - 6993 (2007/10/02)
Seven differently substituted primary and secondary propargylic alcohols are shown to react with (arylsulfinyl)vinylic chloride 1a at 100 deg C for 1 h sequentially via a sigmatropic rearrangement and then a sigmatropic rearrangement to form 4