24.
    发明专利
    未知

    公开(公告)号:SE413191B

    公开(公告)日:1980-04-28

    申请号:SE7404388

    申请日:1974-04-01

    Applicant: ABBOTT LAB

    Inventor: WINN M

    Abstract: Heterocyclic esters of benzopyrans represented by the formula wherein n is 1 or 2; each R and R1 are the same or different members of the group consisting of hydrogen or loweralkyl; R2 is loweralkyl; R3 is WITH Y' being a straight or branched chain alkylene group having from one to eight carbon atoms, a is an integer from 1 to 4, b is an integer from 1 to 4, X is CH2, O, S or NR7 with R7 being hydrogen or loweralkyl, with the limitation that when X is O, S, or NR7, a and b each must be 2; R8 is hydrogen or loweralkyl; Y is a straight or branched chain alkylene group having from one to ten carbon atoms; and each R4 and R5 and R6 are the same or different members of the group consisting of hydrogen, halo, trifluoromethyl or loweralkyl; and the pharmaceutically acceptable salts thereof.

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