Process for preparing 3-exomethylenecepham derivatives

Details Process for preparing 3-exomethylenecepham derivatives Process for preparing 3-exomethylenecepham derivatives

1985-03-04

1986-12-16

Demers, Arthur P.

Chemistry: electrical and wave energy

Processes and products

204 59R, 204 73R, 540215, 540222, C25B 300

Patent

active

046295429

ABSTRACT:
This invention provides a process for preparing 3-exomethylenecepham derivatives represented by the formula ##STR1## wherein R.sup.1 is arylacetylamino, aryloxyacetylamino, heterocyclic acetylamino or imido, and R.sup.2 is a protective group for the carboxyl, the process being characterized in that a 3-halomethylcephem compound represented by the formula ##STR2## wherein R.sup.1 and R.sup.2 are as defined above, and X is a halogen atom is electrolyzed in a mixture of a hydrophilic organic solvent and water.

REFERENCES:
patent: 4042472 (1977-08-01), Hall
J. Am. Chem. Soc., 98, 5040 (1976).

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