Patent Number: 6,169,180

Title: Process for the production of cephalosporines

Abstract: The invention relates to a new economical and simple process, using a new intermediate compound, for the production of 3'-substituted 7-amino-3-propenyl-4-cephem-carboxylic acid derivatives of formula ##STR1## wherein R is hydrogen, a negative charge or a silyl protecting group, R.sub.o is hydrogen or methoxy, R.sub.1 is hydrogen or a silyl protecting group and X is the radical of a nucleophile, and their acid addition salts.

Inventors: Ludescher; Johannes (Breitenbach, AT), Sturm; Hubert (Innsbruck, AT), Wieser; Josef (Kufstein, AT)

Assignee: Biochemie Gesellschaft

International Classification: C07D 501/00 (20060101); C07D 501/06 (); C07D 501/04 ()

Expiration Date: 01/02/2018