Synthetic Studies on Optically Active .BETA.-lactams. II. Asymmetric Synthesis of .BETA.-lactams by (2+2)cyclocondensation Using Heterocyclic Compounds Derived From L-(+)-Tartaric Acid, (S)- Or (R)-Glutamic Acid, and (S)-Serine as Chiral Auxiliaries.
Chemical and Pharmaceutical Bulletin - Japan
doi 10.1248/cpb.38.1601
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Date
January 1, 1990
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Pharmaceutical Society of Japan