3-R-methyl-7-amino-ceph-em-4-carboxylic acid compounds

Details 3-R-methyl-7-amino-ceph-em-4-carboxylic acid compounds 3-R-methyl-7-amino-ceph-em-4-carboxylic acid compounds

1971-07-02

1976-01-13

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, C07D50120

Patent

active

039324656

ABSTRACT:
3-R-Methyl-7-amino-ceph-2-em-4.xi.-carboxylic acid compounds, in which R is the C-residue of a C-nucleophilic compound are valuable intermediates, for example, in the manufacture of the corresponding 3-R-methyl-7-amino-ceph-3-em-4-carboxylic acid compounds with antibiotic properties.

REFERENCES:
patent: 3539562 (1970-11-01), Diassi et al.
patent: 3641021 (1972-02-01), Ryan

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