Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-01-21
1977-07-05
Schwartz, Gerald A.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07D49942
Patent
active
040339793
ABSTRACT:
Intermediates useful in the preparation of compounds having a penam or cephem ring structure, particularly penicillins and cephalosporins, and their preparation.
REFERENCES:
patent: 3855233 (1974-12-01), Dolfini et al.
patent: 3870705 (1975-03-01), Henniger et al.
Smith, "Open Chain Nitrogen Compounds", vol. 1, p. 65 (1965).
Bentley Peter Hubert
Clayton John Peter
Beecham Group Limited
Schwartz Gerald A.
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