Tetrahedron Letters p. 2997 - 3000 (1998)
Update date:2022-08-11
Topics:
Arai, Shigeru
Hamaguchi, Seiji
Shioiri, Takayuki
The catalytic asymmetric Homer-Wadsworth-Emmons reaction promoted by quaternary ammonium salts derived from cinchonine as a phase-transfer catalyst is described. Treatment of the prochiral ketone 1 with phosphonates under mild reaction conditions afforded the corresponding desired products in moderate enantiomeric excess.
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