
Tetrahedron Asymmetry p. 157 - 164 (1991)
Update date:2022-08-04
Topics:
Boussoufi
Hudhomme
Hitchcock
Duguay
The synthesis and the resolution of α-methoxy α-(2'-thiazinyl)glycinate diastereoisomers, using (s)-(-)-ethyl lactate as a resolving reagent, is described. The X-ray crystal structure of pure diastereoisomer is reported. These chirally substituted thiazines are key intermediates for multistep syntheses of 7-methoxy cephems.
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