5H-<1> BENZOPYRANO <3,4-D> PYRIDINES

    公开(公告)号:ZA743647B

    公开(公告)日:1975-05-28

    申请号:ZA743647

    申请日:1974-06-07

    Applicant: ABBOTT LAB

    Inventor: LEE C

    Abstract: 5H-[1]Benzopyrano[3,4-d]pyridines represented by the formula WHEREIN EACH R1 is loweralkyl, R2 is alkyl, cycloalkyl or WHEREIN Y is a straight or branched chain alkylene group having from 1 to 10 carbon atoms and each R4, R5 and R6 are the same or different members of the group consisting of hydrogen, halo, trifluoromethyl or loweralkyl; and R3 is hydroxy, acyloxy or X is a straight or branched chain alkylene group having from 1 to 8 carbon atoms, and wherein R7 and R8 are the same or different members of the group consisting of hydrogen or loweralkyl, or WHEREIN X is a straight or branched chain alkylene group having from 1 to 8 carbon atoms, a is an integer from 1 to 4, b is an integer from 1 to 4, Z is CH2, O, S or NR10 with R10 being hydrogen or loweralkyl, with the limitation that when Z is O or S, the sum of a and b is 3 or 4; and when Z is NR10, the sum of a and b is 3-5; R9 is hydrogen or loweralkyl, and the pharmaceutically acceptable salts thereof.

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