Electrolytic process for 7-methoxy-3-exomethylenecepham compound

Chemistry: electrical and wave energy – Processes and products

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204 59R, 544 21, C25B 300

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active

040424723

ABSTRACT:
7-Acylamino-7-methoxycephalosporins substituted in the 3-position with an acetoxymethyl, halomethyl or 3-thio-substituted-methyl substituent are reduced electrolytically to provide the corresponding 3-exomethylenecepham compound. For example, 7-(2-thienylacetamido)-7-methoxy-3-acetoxymethyl-3-cephem-4-carboxylic acid is electrolytically reduced to provide 7-(2-thienylacetamido)-7-methoxy-3-exomethylenecepham-4-carboxylic acid and a lesser amount of the corresponding 3-methylcephalosporin compound.

REFERENCES:
patent: 3792995 (1974-02-01), Ochiai et al.
patent: 3932393 (1976-01-01), Chauvette

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