Abstract

(S)- and (R)-[2- 2 H i ]glycine («chiral glycine») were synthesized in good yield with high deuterium incorporation and ee's of 82-86% by two different routes. Photolysis of optically active oxazolidine carbene chromium complexes and lithiation-deuteration of optically active α-oxazolidinone acetic esters were carried out. The stereoselectivities of the reactions of ketenes and chromium-bound ketenes with methanol-d were compared

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