Tetrahedron Letters p. 8671 - 8674 (1994)
Update date:2022-08-03
Topics: Stereochemical
Cain, Mark J.
Baird, Christopher A.
Kee, Terence P.
The asymmetric phosphonylation of aldehydes via chiral phosphorodiamidites has been examined as a function of the steric profile of the chiral auxiliary employed. Comparison of N-Me and N-(i)Pr-(1R,2S)-ephedrine auxiliaries reveals that the latter results in a consistently stronger preference for (S(p),S(C)) product stereochemistry than the former.
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