
Tetrahedron Letters p. 871 - 874 (1999)
Update date:2022-08-05
Topics:
Dambrin, Valery
Villieras, Monique
Lebreton, Jacques
Toupet, Loic
Amri, Hassen
Villieras, Jean
Copper catalysed conjugate addition of Grignard reagents to 2- silyloxycyclohexene carboxylates in the presence of an excess chlorotrimethylsilane, leads diastereoselectively to related (anti) (Z) silylketene acetals. Subsequent hydrolysis and desilylation afford 2- hydroxycyclohexane carboxylates in high yields and diastereoselectivities.
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