Pure 6,6-diiodopenicillanic acid and process for its preparation

Details Pure 6,6-diiodopenicillanic acid and process for its preparation Pure 6,6-diiodopenicillanic acid and process for its preparation

1981-09-02

1982-11-23

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424270, 424271, 2602391, C07D49904

Patent

active

043604633

ABSTRACT:
An improved process for making 6,6-diiodopenicillanic acid, an intermediate for preparation of 6-beta-iodopenicillanic acid, a beta-lactamase inhibitor, which comprises diazotizing 6-beta-aminopenicillanic acid in the presence of iodine, followed by washing the product of said process with an aqueous solution of an alkali metal iodide.

REFERENCES:
Clayton, J. Chem. Soc., Part C, 2123 (1969).
CA, vol. 94, 121511(s) 1981.
CA, vol. 94, 84113(r) 1981.

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