N-substituted-4-pyrimidinamines and pyrimidinediamines

Details N-substituted-4-pyrimidinamines and pyrimidinediamines N-substituted-4-pyrimidinamines and pyrimidinediamines

1990-09-18

1993-01-12

Shah, Mukund J.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

544319, 544326, 544333, C07D40112

Patent

active

051792044

ABSTRACT:
This invention relates to N-heteroaryl-4-pyrimidinamines of the formula ##STR1## where R.sub.1 is hydrogen, loweralkyl, aryl, or arylloweralkyl; R.sub.2 and R.sub.3 are independently hydrogen or loweralkyl, or R.sub.2 and R.sub.3 taken together are aryl; R.sub.4 and R.sub.5 are independently hydrogen or loweralkyl, or R.sub.4 and R.sub.5 taken together are aryl; X is hydrogen, halogen, cyano, nitro, amino, loweralkyl, loweralkoxy, trifluoromethyl or ##STR2## where Y is hydrogen, halogen or loweralkyl; m is an integer of 1 to 3; and the pharmaceutically acceptable acid addition salts thereof and where applicable the geometrical and optical isomers and racemic mixtures thereof. The compounds of this invention display utility as memory enhancing agents and as analgesic agents.

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