Process for production of 6-amino-2,2-dimethyl-3-(5-tetrazolyl)p

Details Process for production of 6-amino-2,2-dimethyl-3-(5-tetrazolyl)p Process for production of 6-amino-2,2-dimethyl-3-(5-tetrazolyl)p

1974-10-29

1976-11-30

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424271, C07D27700

Patent

active

039949397

ABSTRACT:
A chemical process which comprises reacting 6-(2-phenylacetamido)- or 6-(2-phenoxyacetamido)-2,2-dimethyl-3-(5-tetrazolyl)penams and certain derivatives thereof which carry a blocking or pseudo blocking group on the tetrazolyl moiety with a halogenating agent at or below 0.degree. C. to form the corresponding imino halide, followed by reaction of the imino halide with an alcohol below about -20.degree. C. to form the corresponding imino ether, and hydrolyzing the imino ether under acid conditions. The preparation of the starting 6-acyl-2,2-dimethyl-3-(5-tetrazolyl)penams is described.

REFERENCES:
patent: 3427302 (1969-02-01), Essery
patent: 3663563 (1972-05-01), Fosker et al.
patent: 3860585 (1975-01-01), Carroll et al.

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