Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1991-05-21
1993-09-28
Rotman, Alan L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514304, 546112, 546126, A61K 3146, A61K 3147, C07D45106, C07D45114
Patent
active
052486842
ABSTRACT:
There is disclosed a heterocyclic compound represented by general formula: ##STR1## wherein R.sup.1 represents hydrogen, lower alkyl or aryl; R.sup.2 represents hydrogen, hydroxyl or lower alkyl; A represents CH or N; X represents --O-- or --NH--; R.sup.3 represents hydrogen, hydroxyl or lower alkyl; R.sup.4 represents lower alkyl; represents 0 or 1, or a pharmaceutically acceptable salt thereof.
REFERENCES:
patent: 5096901 (1992-03-01), Ward et al.
Journal of Heterocyclic Chemistry, vol. 16, Dec. 1979, pp. 1605-1610, G. M. Coppola, et al.
Chemische Berichte, vol. 96, pp. 1234-1255; B. Eistert, et al (1963).
Journal of the American Society, vol>79, No. 15, pp. 4194-4198, S. Archer, et al. (Aug. 1957).
Hayashi Hiroaki
Ichikawa Shunji
Ishii Akio
Miki Ichiro
Miwa Yoshikazu
Kyowa Hakko Kogyo Co. Ltd.
Rotman Alan L.
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