Studies on cardiotonic agents. II. Synthesis of novel phthalazine and 1,2,3-benzotriazine derivatives.

Chem Pharm Bull (Tokyo)

Tokyo Research Laboratory, Kyowa Hakko Kogyo Co., Ltd., Japan.

Published: August 1990

A series of phthalazine and 1,2,3-benzotriazine derivatives which have heterocyclylpiperidino groups was synthesized and tested for cardiotonic activity in anesthetized dogs. Several 6,7-dimethoxyphthalazine derivatives showed relatively potent cardiotonic activity comparable to that of amrinone.

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http://dx.doi.org/10.1248/cpb.38.2179DOI Listing

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