Process for preparing esters of penicillanic acid sulfone

Details Process for preparing esters of penicillanic acid sulfone Process for preparing esters of penicillanic acid sulfone

1982-09-20

1984-10-02

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424270, 424271, C07D49908

Patent

active

044746989

ABSTRACT:
A process for preparing halomethyl esters of penicillanic acid sulfone, intermediates to beta-lactamase inhibitors, from the corresponding substituted thiomethyl and sulfinylmethyl esters and a halogenating agent. The thiomethyl and sulfinylmethyl esters of penicillanic acid sulfone are useful intermediates.

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M. Uchino et al., Chem. Pharm. Bull., 27 (5), 1199, (1979).
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