Guanidino imidazoles and thiazoles

Details Guanidino imidazoles and thiazoles Guanidino imidazoles and thiazoles

1979-08-13

1980-11-18

Berch, Mark L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548337, C07D27738, C07D23388, A61K 31425, A61K 31415

Patent

active

042347351

ABSTRACT:
The invention relates to guanidine derivatives of imidazoles and thiazoles which are histamine H-2 antagonists and which inhibit the secretion of gastric acid, to methods for their manufacture, to pharmaceutical compositions containing them and to methods of using such guanidine derivatives and compositions. The guanidine derivatives are of the general formula I: ##STR1## in which X is S or NH, Y is CH.sub.2, a direct bond or a vinylene radical, m is 0 to 4 and n is 1 to 4, R.sup.1 is hydrogen, halogen or alkyl, R.sup.2 is hydrogen, alkyl, alkanoyl or aroyl, A is a 3,4-dioxocyclobuten-1,2-diyl radical or C.dbd.Z in which Z is O, S, NCN, NNO.sub.2, CHNO.sub.2, NCONH.sub.2, C(CN).sub.2, NCOR.sup.3, NCO.sub.2 R.sup.3, NSO.sub.2 R.sup.3 or NR.sup.4 in which R.sup.3 is alkyl or aryl and R.sup.4 is hydrogen or alkyl, B is alkoxy or alkylthio or NR.sup.5 R.sup.6 in which R.sup.5 and R.sup.6 are independently hydrogen, alkyl, alkenyl, cycloalkyl, hydroxyalkyl, alkoxyalkyl, alkylaminoalkyl or dialkylaminoalkyl; and the salts thereof.

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