Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1986-01-14
1987-05-12
Chan, Nicky
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
A61K 3141, C07D25704
Patent
active
046650849
ABSTRACT:
The present invention relates to new condensed benzopyrone derivatives having a 5-tetrazolyl substituent thereon, and to pharmaceutical compositions containing them. The compounds are useful in the treatment of allergic conditions.
REFERENCES:
S. Zafaruddin Ahmad and R. D. Desai, Heterocyclic Compounds, III, Chemical Abstracts, vol. 32, pp. 559-560.
Yates, Peter; Bichan, David J.; McCloskey, J. Edmund, 101334g Condensation of 1,3-cyclohexanediones, etc., Chemical Abstracts, vol. 77, 1972, p. 404.
Untze, W. Landesanti Lebensm.-, etc., 126235e New Antioxidants and their properties, 27-Heterocycles-vol. 79, 1973, p. 126224.
Porshnev, Yu N.; Churkina, V. A.; Titov, V. V. (Nauchno-Issled etc.), 90:72006n Synthesis of Styryl-Substituted 2-Phenyl-and 1,2-diphenylcylopenta(b) chromenes,; 27-Heterocycles, vol. 90, 1979, p. 72012.
Buttinoni Ada
Doria Gianfederico
Passarotti Carlo
Chan Nicky
Farmitalia Carlo Erba S.p.A.
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