Title of article :
Unexpected cis-Selectivity in (Sylvestre) Julia Olefinations with Bu3Sn-Containing Allyl Benzothiazolyl Sulfones: Stereoselective Synthesis of 1,3-Butadienyl- and 1,3,5-Hexatrienylstannanes
Author/Authors :
Bruckner، Reinhard نويسنده , , Sorg، Achim نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
Abstract :
Bu3Sn-substituted benzothiazolyl sulfones 1c, 1d, and 1f were subjected to Julia olefination reactions with a variety of aldehydes. cis-Selectivities up to 97:3 were obtained by using KHMDS as base in THF.
Keywords :
alkenylstannanes , dienes , Julia-Lythgoe olefination , Stereoselectivity , trienes
