abstract |
Substd. benzene sulphonyl urea and thiourea derivs. of formula (I) and their salts are new. R1 = H, Me or CF3; R2 = 4-10C alkoxy with 1-6C replaced by O, S or NH; Q = O or S; Y = ÄC(R3)2Üm; R3 = H, Me or Et; R' = H, halo or 1-6C alkyl; R" = halo, 1-4C alkoxy or 1-4C alkyl; and m = 1-4. |