3-Amino-2-hydroxy, halo or mercaptomethyl-4-oxoazetidines

Details 3-Amino-2-hydroxy, halo or mercaptomethyl-4-oxoazetidines 3-Amino-2-hydroxy, halo or mercaptomethyl-4-oxoazetidines

1979-03-14

1981-03-24

Berch, Mark L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20508, C07D40304

Patent

active

042579473

ABSTRACT:
The stereospecific cycloaddition of nitrogen containing acetic acid halides or anhydrides with Schiff bases having a carbalkoxy group substituted on the methine carbon atom offers new intermediates and methods for preparing synthetic cephalosporin congeners having antibacterial activity.

REFERENCES:
patent: 3943123 (1976-03-01), Bose
patent: 4068075 (1978-01-01), Menard et al.
patent: 4122086 (1978-10-01), Hall et al.
patent: 4144333 (1979-03-01), Hall et al.
Gleason et al., Chem. Abs. 86, 106617x (1975).

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