8.
    发明专利
    失效

    公开(公告)号:JPH0144706B2

    公开(公告)日:1989-09-29

    申请号:JP7158080

    申请日:1980-05-30

    申请人: WELLCOME FOUND

    摘要: The present invention provides compounds of the formula (I) wherein R is chlorine, bromine, iodine, C1-4 alkyl or trifluoromethyl; R is hydrogen, halogen, C1-4 alkyl or trifluoromethyl or R and R form a -CH=CH-CH=CH- group optionally substituted by a halogen atom or a C1-4 alkyl or trifluoromethyl group; R is hydrogen, halogen, C1-4 alkyl or trifluoromethyl; R is hydrogen, halogen, C1-4 alkyl or trifluoromethyl, and R is hydrogen, methyl or fluorine, provided that at most only two of R -R are other than hydrogen and that R -R are not all hydrogen when R is chlorine, which are useful as intermediates for the preparation of compounds of formula (II) wherein R , R , R , R and R are as defined in claim 1 and R is amino, C1-4 acylamino or di-substituted aminomethyleneamino, being useful in the treatment of CNS disorders such epilepsy.

    9.
    发明专利
    失效

    公开(公告)号:JPH0144179B2

    公开(公告)日:1989-09-26

    申请号:JP12137085

    申请日:1985-06-04

    申请人: WELLCOME FOUND

    摘要: The present invention provides compounds of the formula (I) wherein R is chlorine, bromine, iodine, C1-4 alkyl or trifluoromethyl; R is hydrogen, halogen, C1-4 alkyl or trifluoromethyl or R and R form a -CH=CH-CH=CH- group optionally substituted by a halogen atom or a C1-4 alkyl or trifluoromethyl group; R is hydrogen, halogen, C1-4 alkyl or trifluoromethyl; R is hydrogen, halogen, C1-4 alkyl or trifluoromethyl, and R is hydrogen, methyl or fluorine, provided that at most only two of R -R are other than hydrogen and that R -R are not all hydrogen when R is chlorine, which are useful as intermediates for the preparation of compounds of formula (II) wherein R , R , R , R and R are as defined in claim 1 and R is amino, C1-4 acylamino or di-substituted aminomethyleneamino, being useful in the treatment of CNS disorders such epilepsy.