REGIOSELECTIVE AND STEREOSELECTIVE ADDITIONS OF SODIUM SELENIDES TO CONJUGATE ENYNE SULFONES - A CONVENIENT SYNTHESIS OF 4-SELENO-1-SULFONYLBUTA-1,3-DIENES
M. Yoshimatsu et J. Hasegawa, REGIOSELECTIVE AND STEREOSELECTIVE ADDITIONS OF SODIUM SELENIDES TO CONJUGATE ENYNE SULFONES - A CONVENIENT SYNTHESIS OF 4-SELENO-1-SULFONYLBUTA-1,3-DIENES, Journal of the Chemical Society. Perkin transactions. I, (3), 1997, pp. 211-215
Addition of PhSeNa to the conjugate enyne sulfones 1, 11-18 occurred a
t the delta-position of the sulfonyl group to give the 4-phenylseleno-
1-sulfonylbuta-1,3-dienes 10, 19-22, 24, 25 and 27 regio- and stereo-s
electively.