Penicillin intermediates

Details Penicillin intermediates Penicillin intermediates

1980-11-24

1982-02-23

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424270, 424271, 260239A, 2602391, C07D49902

Patent

active

043168426

ABSTRACT:
6-Epi penicillin .alpha.-sulfoxides represented by the formula ##STR1## wherein R is a carboxy protecting group, are useful for preparing antibiotic compounds and are prepared via epimerization with an alkali metal acetate of corresponding 6.beta.-epimer.

REFERENCES:
Journal of Pharmaceutical Sciences, 68, No. 10, pp. 1207-1215, 1979.
F. J. Lund, "6.beta.-Amidinopenicillanic Acids-Synthesis and Antibacterial Properties," Recent Advances in the Chemistry of .beta.-Lactam Antibiotics, Ed. J. Elks, Specialist Publication-Chemical Society, No. 28, 1977, pp. 25-45.

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