Synthesis and biological activity of KCB-328 and its analogues: Novel class III antiarrhythmic agents with little reverse frequency dependence

…, JK Min, WH Nam, K Lee, YS Chung, S Tanabe…

Index: Kim, Dong-Ick; Kim, Hak-Yeop; Kwon, Lae-Sung; Park, Sung-Dae; Jeon, Gee-Ho; Jung, Kyung-Yun; Min, Jae-Ki; Nam, Woong-Hyun; Lee, Kiho; Chung, You-Sup; Tanabe, Shigeru; Kozono, Toshiro Bioorganic and Medicinal Chemistry Letters, 1999 , vol. 9, # 1 p. 85 - 90

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Citation Number: 4

Abstract

A series of 3, 4-dimethoxyphenethylamine derivatives was prepared, and their prolongation effects on effective refractory period of contractile response (ERPc) and action potential duration (APD) in isolated guinea-pig papillary muscles at 1 Hz and 3 Hz were examined. SAR studies led to the identification of KCB-328 (51) which is a novel class III antiarrhythmic agent with little reverse frequency dependence.