Tetrahedron Letters p. 4323 - 4326 (1994)
Update date:2022-08-11
Topics:
Carreira, Erick M.
Singer, Robert A.
A mechanistic study of the Mukaiyama aldol addition reaction employing benzaldehyde and hydrocinnamaldehyde along with a selection of Lewis acids including BF3 · OEt2, LiClO4, Yb(OTf)3, Sn(OTf)2, and Zn(OTf)2 is presented. The results of experiments conducted with doubly-labeled silyl ketene acetals implicate a Lewis acidic silicon species and not the metals as the catalyst in the Mukaiyama aldol addition reaction.
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