Dichloroaniline derivatives
    27.
    发明授权

    公开(公告)号:US4943591A

    公开(公告)日:1990-07-24

    申请号:US918317

    申请日:1986-10-14

    摘要: The invention provides compounds of the general formula (I) ##STR1## wherein X represents a C.sub.1-6 alkylene, C.sub.2-6 alkenylene or C.sub.2-6 alkynylene chain andY represents a bond, or a C.sub.1-4 alkylene, C.sub.2-4 alkenylene or C.sub.2-4 alkynylene chain with the proviso that the sum total of carbon atoms in X and Y is not more than 8;Ar represents a phenyl group optionally substituted by one or more substituents selected from halogen atoms or the groups C.sub.1-3 alkyl, nitro, --(CH.sub.2).sub.q R [where R is hydroxy, C.sub.1-3 alkoxy, --NR.sup.3 R.sup.4 (where R.sup.3 and R.sup.4 each represent a hydrogen atom, or a C.sub.1-4 alkyl group, or --NR.sup.3 R.sup.4 forms a saturated heterocyclic amino group which has 5-7 ring members and optionally contains in the ring one or more atoms selected from --O-- or --S-- or a group --NH-- or --N(CH.sub.3)--), --NR.sup.5 COR.sup.6 (where R.sup.5 represents a hydrogen atom or a C.sub.1-4 alkyl group, and R.sup.6 represents a hydrogen atom or a C.sub.1-4 alkyl, C.sub.1-4 alkoxy or --NR.sup.3 R.sup.4 group), and q represents an integer from 0 to 3], --NR.sup.5 COR.sup.19 (where R.sup.5 is as defined above and R.sup.19 represents a phenyl group), --(CH.sub.2).sub.r R.sup.7 [where R.sup.7 represents --NR.sup.5 SO.sub.2 R.sup.8 (where R.sup.8 represents a C.sub.1-4 alkyl, phenyl or --NR.sup.3 R.sup.4 group), --NR.sup.5 COCH.sub.2 N(R.sup.5).sub.2 (where each of the groups R.sup.5 represents a hydrogen atom or a C.sub.1-4 alkyl group), --COR.sup.9 (where R.sup.9 represents hydroxy, C.sub.1-4 alkoxy or NR.sup.3 R.sup.4), --SR.sup.10 (where R.sup.10 is a hydrogen atom, or a C.sub.1-4 alkyl group optionally substituted by hydroxy, C.sub.1-4 alkoxy or NR.sup.3 R.sup.4), --SOR.sup.10, --SO.sub.2 R.sup.10, --CN, or --NR.sup.11 R.sup.12 (where R.sup.11 and R.sup.12 represent a hydrogen atom or a C.sub.1-4 alkyl group, at least one of which is C.sub.2-4 alkyl substituted by a hydroxy, C.sub.1-4 alkoxy or NR.sup.3 R.sup.4), and r represents an integer from 0 to 3], --O(CH.sub.2).sub.q COR.sup.9 (where q and R.sup.9 are as defined above), or --O(CH.sub.2).sub.t R.sup.13 [where R.sup.13 represents hydroxy, NR.sup.3 R.sup.4, NR.sup.11 R.sup.12 or a C.sub.1-4 alkoxy group optionally substituted by hydroxy, C.sub.1-4 alkoxy or NR.sup.3 R.sup.4, and t is an integer 2 or 3], or Ar is a phenyl group substituted by an alkylenedioxy group --O(CH.sub.2).sub.p O-- where p is 1 or 2;R.sup.1 and R.sup.2 each represents a hydrogen atom or a C.sub.1-3 alkyl group, with the proviso that the sum total of carbon atoms in R.sup.1 and R.sup.2 is not more than 4;and physiologically acceptable salts and solvates (e.g. hydrates) thereof.The compounds of formula (I) have a stimulant action at .beta..sub.2 -adrenoreceptors and are useful, in particular, in the treatment of diseases associated with reversible airways obstruction such as asthma and chronic bronchitis.

    PYRIMIDINE DERIVATIVES
    28.
    发明申请

    公开(公告)号:US20100267755A1

    公开(公告)日:2010-10-21

    申请号:US10477546

    申请日:2002-05-23

    摘要: The invention provides the compounds of formula (I) and pharmaceutically acceptable salts thereof, in which: R1 and R2 are independently selected from the group consisting of H, C1-6alkyl, C1-2alkyl substituted by one to five fluorine atoms, C3-6alkenyl, C3-6alkynyl, C3-10cycloalkylC0-6alkyl, C4-12bridged cycloalkyl, A(CR7R8)n and B(CR7R8)n; R3 is selected from the group consisting of C1-6alkyl, NH2 and R10CONH; R4 is C1-2alkyl substituted by one to five fluorine atoms; R5 is selected from the group consisting of H, C1-4alkyl, C1-2alkyl substituted with one to five fluorine atoms, halogen and C3-10cycloalkylC0-6alkyl, with the proviso that when R6 is H R5 is not H. R6 is selected from the group consisting of H, C1-4alkyl, C1-2alkyl substituted with one to five fluorine atoms, halogen, C1-4alkoxy, CN, NO2, C1-6alkylOCO, NH2CO, C1-6alkylNHCO, NH2, C1-6alkylNH, (C1-6alkyl)2N, (C1-6alkyl)2NCO, C1-6alkylCONH, NH2SO2, C1-6alkylNHSO2, (C1-6alkyl)2NSO2, C1-6alkylSO2NH, ArSO2NH, C1-6alkylSO2, ArSO2, C3-10cycloalkylC0-6alkyl, C3-6alkenyl and C3-6alkynyl, with the proviso that when R5 is H R6 is not H. R7 and R8 are independently selected from H or C1-6alkyl; A is an unsubstituted 5- or 6-membered heteroaryl or an unsubstituted 6-membered aryl, or a 5- or 6-membered heteroaryl or a 6-membered aryl substituted by one or more R9; R9 is selected from the group consisting of hydroxy, halogen, C1-6alkyl, C1-6alkyl substituted by one more fluorine atoms, C1-6alkoxy, C1-6alkoxy substituted by one or more F, NH2SO2 and C1-6alkylSO2; R10 is selected from the group consisting of H, C1-6alkyl, C1-6alkoxy, C1-6alkylOC1-6alkyl, phenyl, HO2CC1-6alkyl, C1-6alkylOCOC1-6alkyl, C1-6alkylOCO, H2NC1-6alkyl, C1-6alkylOCONHC1-6alkyl and C1-6alkylCONHC1-6alkyl; B is selected from the group consisting of defines the point of attachment of the ring; and n is 0 to 4. Compounds of formula (I) are potent and selective inhibitors of COX-2 and are of use in the treatment of pain, fever and inflammation of a variety of conditions and diseases.