STEREOSELECTIVE SYNTHESIS OF RACEMIC ALPHA-AMINO-ACID DERIVATIVES WITH A BETA-LACTAM SKELETON - APPLICATION OF THE STAUDINGER REACTION TO CHIRAL IMINES OF METHYL GLYOXYLATE
M. Barreau et al., STEREOSELECTIVE SYNTHESIS OF RACEMIC ALPHA-AMINO-ACID DERIVATIVES WITH A BETA-LACTAM SKELETON - APPLICATION OF THE STAUDINGER REACTION TO CHIRAL IMINES OF METHYL GLYOXYLATE, Tetrahedron, 54(38), 1998, pp. 11501-11516
Selected imines of methyl glyoxylate act as good partners in the Staud
inger cycloaddition reaction with a series of substituted ketenes. The
cis stereoselectivity is almost complete with electron-donor substitu
ted ketenes, but the asymmetric induction is low when imines derived F
rom chiral 1-aryl-ethylamines are used. (C) 1998 Elsevier Science Ltd.
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