Direct transformation of terminal alkynes to branched allylic sulfones
A new strategy for the transformation of terminal alkynes to branched allylic sulfones was developed. Using a Rh(I)/DPEphos/benzoic acid catalyst system, terminal alkynes react with sulfonyl hydrazides to produce branched allylic sulfones with good to exc
Xu, Kun,Khakyzadeh, Vahid,Bury, Timm,Breit, Bernhard
REGIO- AND STEREOCONTROLLED SYNTHESIS OF ALLYLIC p-TOLYL SULFONES CATALYZED BY PALLADIUM (0) COMPLEX
The reaction of allyl esters with sodium p-tolylsulfinate in tetrahydrofuran and methanol catalyzed by Pd(PPh3)4 gave the regio- and stereocontrolled allylic p-tolyl sulfones in good yields at room or lower temperature.
Inomata, Katsuhiko,Yamamoto, Taku,Kotake, Hiroshi
p. 1357 - 1360
(2007/10/02)
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