Process for the preparation of N-formimidoyl thienamycin and rea

Details Process for the preparation of N-formimidoyl thienamycin and rea Process for the preparation of N-formimidoyl thienamycin and rea

1981-03-19

1983-02-22

Lee, Mary C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D48704

Patent

active

043747728

ABSTRACT:
Disclosed is a novel class of substituted and unsubstituted benzyl formimidates, represented in a convenient acid addition salt form (I); and the use of these reagents in the preparation of the antibiotic N-formimidoyl thienamycin (II): ##STR1## wherein A is a non-critical anion such as chloro, bromo, hydrogen sulfate or an alkyl aralkyl or aryl sulfonate, wherein the alkyl moiety has 1-6 carbon atoms and the aryl moiety is phenyl, for example; n is 0, 1 or 2; and X is independently selected from nitro, halo (chloro, bromo, fluoro, and iodo), loweralkyl having from one to six carbon atoms, phenyl, and phenylalkyl having from 7-12 carbon atoms, and --COOR, wherein R is hydrogen or loweralkyl having from one to six carbon atoms.

REFERENCES:
patent: 4194047 (1980-03-01), Christensen et al.

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