Substituted 3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

Details Substituted 3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-one Substituted 3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

1978-10-16

1980-06-24

Daus, Donald G.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

424251, 544250, A61K 31505, C07D23970, C07D49104

Patent

active

042096200

ABSTRACT:
A novel series of substituted 3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-ones is provided for use as inhibitors of allergic reactions. The compounds exhibit antiallergy activity by both oral and parenteral routes of administration.

REFERENCES:
patent: 3960863 (1976-06-01), Sato et al.
patent: 3965100 (1976-06-01), Yale
patent: 4014881 (1977-03-01), Kadin et al.
patent: 4017625 (1977-04-01), Kadin
patent: 4022897 (1977-05-01), Yale
patent: 4083980 (1978-04-01), Schromm et al.
patent: 4127720 (1978-11-01), Juby et al.
Gupta, et al., "Indian Journal Chemistry", vol. 9, 1971, pp. 201-206.

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