申请人:American Home Products Corporation
公开号:US04698445A1
公开(公告)日:1987-10-06
N-Aminoalkyl(aminophenyl)sulfonic acid amides of the formula: ##STR1## in which R.sup.1 is --NH.sub.2, alkylamino of 1 to 3 carbon atoms or alkanoylamino of 2 to 4 carbon atoms, in 3- or 4-position of the benzene ring; R.sup.2 is hydrogen or alkyl of 1 to 4 carbon atoms; R.sup.3 is hydrogen or straight or branched chain alkyl of 1 to 4 carbon atoms; R.sup.4 is straight or branched chain alkyl of 1 to 4 carbon atoms; with the proviso that R.sup.3 and R.sup.4 are branched chain alkyl when R.sup.2 is hydrogen; and n is one of the integers 2, 3 or 4; or a pharmaceutically acceptable salt thereof, an anti-arrhythmic agents useful in the treatment of cardiac arrhythmias and conditions characterized by coronary arteries vasospasm.
该公式表示的N-氨基烷基(氨基苯基)磺酸酰胺:其中R.sup.1是--NH.sub.2,1至3个碳原子的烷基氨基或2至4个碳原子的烷酰胺基,在苯环的3-或4-位置;R.sup.2是氢或1至4个碳原子的烷基;R.sup.3是氢或1至4个碳原子的直链或支链烷基;R.sup.4是1至4个碳原子的直链或支链烷基;但R.sup.2为氢时,R.sup.3和R.sup.4是支链烷基;n是整数2、3或4之一;或其药用可接受的盐,用于治疗心律失常和冠状动脉痉挛症状的抗心律失常药物。