Derivatives of N-cyano-azomethines and process for their prepara

Details Derivatives of N-cyano-azomethines and process for their prepara Derivatives of N-cyano-azomethines and process for their prepara

1979-05-14

1981-02-10

Berch, Mark L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

564106, C07C12508

Patent

active

042500923

ABSTRACT:
N-Cyano-azomethines, useful as intermediates for the production of antihistamines are described. They are produced by reaction of ##STR1## where R.sub.3 is a thiomethyl group, an alkylamino group or N-1-amino-.omega.-alkylthiomethyl group, with primary or secondary alkyl- or hydroxyalkyl-amines or with ethylenimine.

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