| 摘要 |
PCT No. PCT/EP95/01322 Sec. 371 Date Sep. 13, 1996 Sec. 102(e) Date Sep. 13, 1996 PCT Filed Apr. 11, 1995 PCT Pub. No. WO95/28417 PCT Pub. Date Oct. 26, 1995Compounds of formula (II) <IMAGE> (II) wherein R is a biphenyl group optionally substituted by one or more substituents, the same or different, selected among halogen atoms, hydroxy groups, alkoxy, alkyl or thioalkyl groups having from 1 to 6 carbon atoms in the alkyl moiety, carboxylic groups, nitro groups, amino, mono- or di-alkylamino groups having from 1 to 6 carbon atoms in the alkyl moiety; R1 is a hydrogen atom or a straight or branched C1-C4 allyl; R2 is a straight or branched C1-C6 alkyl or an arylalkyl having from 1 to 6 carbon atoms in the alkyl moiety wherein the aryl is a phenyl, a naphthyl or a 5 or 6 membered aromatic heterocycle with one or two heteroatoms selected among nitrogen, oxygen and sulphur, optionally substituted as above indicated for the R substituent; R3 is a straight or branched C1-C6 alkyl, optionally containing one or more fluorine atoms, or an arylalkyl having from 1 to 6 carbon atoms in the alkyl moiety; the carbon atoms marked with an asterisk are asymmetric carbon atoms; and their pharmaceutically acceptable salts, are described. The compounds of formula (II) are useful in the treatment of cardiovascular diseases. |
