
Tetrahedron Letters p. 6109 - 6112 (1995)
Update date:2022-08-02
Topics:
Suh, Kwee-Hyun
Choo, Dong-Joon
The TiCl4-mediated aldol reaction of the (E)-O-silyl ketene-O,S-acetal derived from 2-pyridyl thioester with benzaldehyde gave exclusively syn-aldol product.In contrast, BF3-mediated reaction afforded the corresponding anti-isomer as a major product.Chela
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