Novel tetrazole-5-thiol ester and process for preparing cefamand

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent

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424246, C07D50104, C07D50106

Patent

active

044170475

ABSTRACT:
This invention relates to a tetrazole-5-thiol ester having D-configuration of the formula, ##STR1## a process for the preparation of the thiol ester and a process for the preparation of cefamandole using the thiol ester.

REFERENCES:
patent: 4258195 (1981-03-01), Shibuya et al.

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