1H- and 2H- indazole derivatives

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United States of America Patent

PATENT NO 4436913
SERIAL NO

06375116

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Abstract

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1H- and 2H- indazole derivatives and pharmaceuticals containing these blood-pressure lowering 1H- and 2H- indazole derivatives of the formula ##STR1## and their acid addition salts, wherein R1 may be in position 1 or position 2 on the nitrogen atoms in formula I. The groups R1, R2 and R3 represent hydrogen or the usual lower molecular groups. The R group is a 2-imidazolinylamino group or a 3,4,5,6-tetryhydropyrimidinylamino group, wherein these groups may also be present in their tautomeric forms. These groups may also be in an aryl group in the R1 group, in which case the R group may also be a halogen atom. R may only represent one of the heterocyclic secondary or tertiary amino groups in the 4 or 7 position for the 1H- indazole derivatives when the R1 group is simultaneously an aryl or an aralkyl group.

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Patent Owner(s)

Patent OwnerAddress
SIEGFRIED AKTIENGESELLSCHFT A CORP OF SWITZERLANDCH-4800 ZOFINGEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Geissmann, Felix Zofingen, CH 4 17
Jahn, Ulrich Zofingen, CH 18 117
Molnar, Istvan Zofingen, CH 13 107
Thiele, Kurt Zofingen, CH 18 78

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