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    • 2. 发明授权
    • Isoquinoline derivatives and their use as analgesics
    • 异喹啉衍生物及其用作镇痛药
    • US4954509A
    • 1990-09-04
    • US312648
    • 1989-02-17
    • Vittorio VecchiettiGiuseppe Giardina
    • Vittorio VecchiettiGiuseppe Giardina
    • A61K31/47A61K31/472A61P25/04C07D217/14C07D409/06
    • C07D409/06C07D217/14
    • A compound, or a solvate or salt thereof, of formula (I): ##STR1## in which: RCO is an acyl group in which the group R contains a substituted or unsubstituted carbocyclic aromatic or heterocyclic aromatic ring and R.sub.1 R.sub.2 are independently hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.3-6 cycloalkyl or C.sub.4 -12 cycloalkylalkyl groups or together form a C.sub.2-8 branched or linear polymethylene or C.sub.2-6 alkenylene group optionally substituted with a hetero-atom;R.sub.3 is hydrogen, C.sub.1-6 alkyl, or phenyl, or R.sub.3 together with R.sub.1 forms a --(CH.sub.2).sub.3 -- or --(CH.sub.2).sub.4 --, group; R.sub.4 and R.sub.5, which may be the same or different and may be attached to the same or different carbon atoms of the isoquinoline nucleus, are each hydrogen, halogen, hydroxy, C.sub.1-6 alkyl, aryl, or R.sub.4 together with R.sub.5 form a --(CH.sub.2).sub.p -- group, where p is an integer of from 1 to 5 and one or more of the --(CH.sub.2)-- moieties is optionally substituted by a C.sub.1-6 alkyl group.R.sub.6 and R.sub.6a, which may be the same or different, are each hydrogen, C.sub.1-6 alkyl, --CH.sub.2 OR.sub.6b, halogen, hydroxy, C.sub.1-6 alkoxy, C.sub.1-6 alkoxycarbonyl, thiol, C.sub.1-6 alkylthio, ##STR2## --NHCOR.sub.6d, --NHSO.sub.2 R.sub.6e, --CH.sub.2 SO.sub.2 NR.sub.6f R.sub.6g, in which each of R.sub.6b to R.sub.6g is independently hydrogen, C.sub.1-6 alkyl, aryl or aralkyl;with the proviso that R.sub.4, R.sub.5, R.sub.6 and R.sub.6a are not simultaneously hydrogen,is useful for the treatment of pain.