Halogenated penam derivatives and the preparation thereof

Details Halogenated penam derivatives and the preparation thereof Halogenated penam derivatives and the preparation thereof

1973-12-21

1977-02-22

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603067C, 424271, C07D49944, C07D49946, C07D49948, C07D49964

Patent

active

040091597

ABSTRACT:
A penam derivative having the formula: ##STR1## wherein X represents a halogen atom, and wherein R.sub.1 represents an amino or acylamino, and R.sub.3 represents a radical selected from the group consisting of carboxy, ester, acid amide, acid anhydride, acid halide, and acid azide.

REFERENCES:
patent: 3304327 (1967-02-01), Rapaelian et al.
patent: 3466275 (1969-09-01), Morin et al.
patent: 3544581 (1970-12-01), Essery
patent: 3652546 (1972-03-01), Cheney
patent: 3741959 (1973-06-01), Looker et al.
B372,016, Mar. 1976, Tanida et al., 260/239.1.
Groggins, "Unit Processes in Organic Synthesis" p. 224, 4th Ed. (1952).

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