[EN] CYANOGUANIDINES AS K-CHANNEL BLOCKERS<br/>[FR] CYANOGUANIDINES UTILISEES COMME AGENTS BLOQUANTS DES CANAUX K
申请人:PHARMACIA & UPJOHN COMPANY
公开号:WO1995020579A1
公开(公告)日:1995-08-03
(EN) Cyanoguanidine compounds of Formula (I) and their pharmaceutically acceptable acid addition salts where R1 is hydrogen or methyl; R2 is C1-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl C3-C5 cycloalkyl, C3-C5 cycloalkenyl, hydroxymethyl, methoxy C1-C5 alkyl, or R1 and R2 are combined to form a C3-C6 carboxyclic ring; R3 and R4 are each independently selected to be hydrogen, C1-C4 alkyl, F, Cl, Br, I or CF3; R5 is hydrogen, F or Cl; R6 is hydrogen, NH2, NHCH3, NHC2H5, NHCH(CH3)2, N(CH3)2, N(C2H5)2, NH(CH2)mOC1-C3 alkyl, NHC(O)C1-C3 alkyl, F, Cl, Br, C1-C3 alkyl, NH(CH2)mF, 1-imidazolyl, NHOC1-C3 alkyl, NHOH, NHSO2C1-C3 alkyl, SH, SC1-C3 alkyl, NHC(O)OC1-C3 alkyl, NHC(O)NHC1-C3 alkyl, NHSO2NHC1-C3 alkyl, NHSO2N(C1-C3 alkyl)2 or amino acid amide; R7 is C1-C7 alkyl, NH2, NHC1-C3 alkyl, N(C1-C3 alkyl)2, CF3, F, Cl, Br, I, OC1-C3 alkyl, OH, COOH, C(O)OC1-C3 alkyl, C(O)NH2, C(O)NHC1-C3 alkyl, C(O)C1-C3 alkyl, C(O)N(C1-C3 alkyl)2, SO2NH2, SO2NHC1-C3 alkyl, CN, SO2N(C1-C3 alkyl)2, NHC(O)C1-C3 alkyl, NHC(O)NHC1-C3 alkyl, NHC(O)N(C1-C3 alkyl)2, NHSO2NHC1-C3 alkyl, NHSO2N(C1-C3 alkyl)2, SH, SC1-C3 alkyl, NO2, SO2C1-C3 alkyl, NHC(O)OC1-C3 alkyl, amino acid amide or hydrogen; R8 is hydrogen, C1-C6 alkyl, NH2, NHC1-C3 alkyl, N(CH3)2, N(C2H5)2, F, Cl, Br, OC1-C3 alkyl or OH; and where m is 2 or 3 and n is 0 or 1 (except for those compounds where R8 is hydrogen and R6 is hydrogen, NH2, NHCH3, NHC2H5, NHCH(CH3)2, N(CH3)2, N(C2H5)2, NH(CH2)m-OC1-C3 alkyl, NHC(O)C1-C3 alkyl, Cl or Br). The compounds of Formula (I) are potassium channel blockers useful in the treatment of cardiovascular disorders such as congestive heart failure and hypertension and as a diuretic.(FR) L'invention se rapporte à des composés de cyanoguanidine de la formule (I) et à leurs sels d'addition acides pharmaceutiquement acceptables, formule dans laquelle R1 représente hydrogène or méthyle; R2 représente alkyle C1-C6, alcényle C2-C6, alkynyle C2-C6, cycloalkyle C3-C5, cycloalcényle C3-C5, hydroxyméthyle, méthoxy C1-C5 alkyle, ou bien R1 et R2 sont combinés pour former un cycle carbocyclique C3-C6; R3 et R4 sont chacun, indépendamment, sélectionnés parmi hydrogène, alkyle C1-C4, F, Cl, Br, I ou CF3; R5 représente hydrogène, F ou Cl; R6 représente hydrogène, NH2, NHCH3, NHC2H5, NHCH(CH3)2, N(CH3)2, N(C2H5)2, NH(CH2)mOC1-C3 alkyle, NHC(O)C1-C3 alkyle, F, Cl, Br, alkyle C1-C3 , NH(CH2)mF, 1-imidazolyle, NHOC1-C3 alkyle, NHOH, NHSO2C1-C3 alkyle, SH, SC1-C3 alkyle, NHC(O)OC1-C3 alkyle, NHC(O)NHC1-C3 alkyle, NHSO2NHC1-C3 alkyle, NHSO2N(alkyle C1-C3)2 ou un amide d'acide aminé; R7 représente alkyle C1-C7, NH2, NHC1-C3 alkyle, N(alkyle C1-C3)2, CF3, F, Cl, Br, I, OC1-C3 alkyle, OH, COOH, C(O)OC1-C3 alkyle, C(O)NH2, C(O)NHC1-C3 alkyle, C(O)C1-C3 alkyle, C(O)N(alkyle C1-C3)2, SO2NH2, SO2NHC1-C3 alkyle, CN, SO2N(alkyle C1-C3)2, NHC(O)C1-C3 alkyle, NHC(O)NHC1-C3 alkyle, NHC(O)N(alkyle C1-C3)2, NHSO2NHC1-C3 alkyle, NHSO2N(alkyle C1-C3)2, SH, SC1-C3 alkyle, NO2, SO2C1-C3 alkyle, NHC(O)OC1-C3 alkyle, un amide d'acide aminé ou hydrogène; R8 représente hydrogène, alkyle C1-C6, NH2, NHC1-C3 alkyle, N(CH3)2, N(C2H5)2, F, Cl, Br, OC1-C3 alkyle ou OH; et où m vaut 2 ou 3 et n vaut 0 ou 1 (excepté pour les composés où R8 représente hydrogène et R6 représente hydrogène, NH2, NHCH3, NHC2H5, NHCH(CH3)2, N(CH3)2, N(C2H5)2, NH(CH2)m-OC1-C3 alkyle, NHC(O)C1-C3 alkyle, Cl ou Br). Les composés de la formule (I) sont des agents bloquants des canaux de potassium utiles dans le traitement de troubles cardiovasculaires, tels que l'insuffisance cardiaque congestive et l'hypertension, et agissent également comme diurétiques.