Tetrahedron Asymmetry p. 2513 - 2516 (1993)
Update date:2022-08-25
Topics:
Davies, Stephen G.
Doisneau, Gilles J.-M.
Treatment of cis- and trans-4-methyl-5-phenyl oxazolidinones 2 and 3 with excess butyllithium at 0 deg C results in C-5 epimerization, via a common intermediate N,C-5 dianion, generating after protonation a 1:4 mixture of 2:3.
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(1996)
