| 摘要 |
4-AZA-7-AMINOENANTHIC ACID LACTAMS USEFUL AS INTERMEDIATES FOR MEDICAMENTS G3A- Of formula: (in which R1 is H, alkyl or -aryl; R2 is H or lower alkyl; or R1 and R2 can be linked to form a ring), are prepared by adding acrylonitrile to a beta-lactam of formula:- to give an N-beta-cyanoethyl-beta-lactam, which is catalytically hydrogenated to give (I).
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