Title of article :
(gamma)-Allenyl Allyl Benzothiazole Sulfonyl Anions Undergo cis-Selective (Sylvestre) Julia Olefinations
Author/Authors :
Alvarez، Rosana نويسنده , , Lera، Angel R. de نويسنده , , Vaz، Belen نويسنده , , Souto، Jose A. نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
Abstract :
(gamma)-Allenyl allyl benzothiazolyl sulfones 8 and ent-8 provided allenyl trienes and polyenes with cis-selectivities ranging from 71:29 to 100:0 upon condensation (NaHMDS, THF, -78 °C to 25 ?C) with a variety of unsaturated aldehydes.
Keywords :
polyenes , Julia olefination , Allenes , Stereoselectivity
