2-[4-[4-(2-Pyrimidinyl)-1-piperazinyl]alkyl]alkyl]pyrido- and py

Details 2-[4-[4-(2-Pyrimidinyl)-1-piperazinyl]alkyl]alkyl]pyrido- and py 2-[4-[4-(2-Pyrimidinyl)-1-piperazinyl]alkyl]alkyl]pyrido- and py

1986-10-21

1988-05-31

Daus, Donald G.

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

Organic compounds

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

544331, 544359, 544360, 544361, 544372, 544405, 544408, 546 86, 546 87, 548300, 548428, 548429, C07D40314, A61K 31495

Patent

active

047482478

ABSTRACT:
Histamine H.sub.1 receptor antagonists of the formula: ##STR1## in which R.sup.1 and R.sup.2 taken together represent an ortho-fused 1,2-indolo or 2,3-indolo moiety of the formulas: ##STR2## where R.sup.4 is hydrogen, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms or halo; and

REFERENCES:
patent: 3522262 (1970-07-01), Berger
patent: 4153711 (1979-05-01), Zinnes et al.
patent: 4252811 (1981-02-01), Welch et al.
patent: 4478750 (1984-10-01), Gadient

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