Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1983-08-22
1984-06-12
Daus, Donald G.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
424258, 424250, 544128, 544363, 546158, C07D41312, C07D21520, A61K 3147, A61K 31535
Patent
active
044541309
ABSTRACT:
Novel carbostyril derivatives and their pharmaceutically acceptable salts represented by the formula (1). ##STR1## wherein R.sup.1 is a hydrogen atom, a lower alkyl group, a lower alkenyl group, a lower alkynyl group or a phenyl-lower alkyl group, R.sup.2 and R.sup.3 form, together with the adjacent nitrogen atom and further with an additional oxygen atom, a 5- or 6-membered saturated heterocyclic ring which may have a lower alkyl group or a phenyl-lower alkyl group as the substituent; the carbon-carbon bond between 3- and 4-positions in the carbostyril skeleton being a single or double bond. The derivatives are useful as the active ingredient in cardiotonic compositions.
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Nakagawa Kazuyuki
Ogawa Hidenori
Tominaga Michiaki
Yang Yung-hsiung
Daus Donald G.
Gibson S. A.
Otsuka Pharmaceutical Co. Ltd.
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