| abstract |
Cpds. of formula (I): (where n is 0 or 1; Y is -CH2-, -N:N-, -CH2O-, -NH-, or a direct bond; Z is O or S; R' is H, halo, 1-5C alkyl, ethynyl, 1-5C alkoxy, 3-5C alkenyloxy, 3-5 haloalkenyloxy, 3-5C alkynyloxy, NO2, 2-5C alkoxy (carbonyl), 3-5C alkenyloxy, (carbonyl), 3-5C alkynyloxy (carbonyle), 1-2C alkanoyl, di-(1-4C) alkyl-carbamyl, 1-4C alkylthio; R2 is H, halo, 1-5C alkyl, 1-5C alkoxy; or R1 + R2 mya be 3,4-methylenedioxy; R3 is H, 1-3C alkyl; R4 is H, halo,, 1-3C alkyl; R5 is cyclohexyl or the group: where R6 is H, halo, Me, Et, -OMe,- -OEt). |