Process for the preparation of penicillanic acid esters

Details Process for the preparation of penicillanic acid esters Process for the preparation of penicillanic acid esters

1982-01-25

1983-04-26

Hollrah, Glennon H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602452R, 424271, C07D49908

Patent

active

043812635

ABSTRACT:
A process for the preparation of chloromethyl esters of penicillanic acids, using iodochloromethane or bromochloromethane and a tetraalkylammonium salt of the penicillanic acid, and their use in processes for the synthesis of penicillanic acid esters, using a halomethyl ester and the tetraalkylammonium salt of the penicillanic acid, which readily hydrolyze in vivo to antibacterial penicillins and the beta-lactamase inhibitor penicillanic acid sulfone.

REFERENCES:
patent: 4234579 (1980-11-01), Barth
patent: 4244951 (1981-01-01), Bigham

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