Tetrahedron Asymmetry p. 429 - 432 (1990)
Update date:2022-08-04
Topics:
Pasquarello, A.
Poli, G.
Potenza, D.
Scolastico, C.
The Lewis acid promoted addition of crotyl-n-tributylstannane to a nor-ephedrine-derived 2-methoxy-oxazolidine has been studied.This stereoconvergent reaction allows highly selective C-C bond formation and takes place with opposite stereochemistry with respect to the analogous silylketenethioacetal addition.This result suggests a preference for a synclinal transition state geometry.
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(2011)
