Substituted 1H-pyrazolo (1,5-a) pyrimidines and process for thei

Details Substituted 1H-pyrazolo (1,5-a) pyrimidines and process for thei Substituted 1H-pyrazolo (1,5-a) pyrimidines and process for thei

1983-03-10

1984-11-13

Gerstl, Robert

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Bacterium or component thereof or substance produced by said...

544117, 544281, 424251, C07D48704, A61K 31495, A61K 3141

Patent

active

044825552

ABSTRACT:
Compounds of general formula (I) ##STR1## wherein R.sub.1 is a 2-pyridyl, 3-pyridyl or 4-pyridyl group; (b) a phenyl ring, unsubstituted or substituted by one or two groups chosen from halogen, trihalo-C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.6 alkyl, nitro, amino and C.sub.2 -C.sub.6 alkanoylamino; (c) benzyl; or (d) C.sub.1 -C.sub.6 alkyl;

REFERENCES:
patent: 3907799 (1975-09-01), O'Brien et al.
patent: 3920652 (1975-11-01), Springer et al.
patent: 3925385 (1975-12-01), O'Brien et al.
patent: 4093617 (1978-06-01), Robins et al.
patent: 4129738 (1978-12-01), Hoehn
patent: 4281000 (1981-07-01), Dusza et al.
Japanese Abstract 14424/66, 11/63.
Dutch Abstract 72/11011, 8/71.
Belgian Abstract 847698, 10/75.

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