摘要 |
N-(4-Amidoalkyl-chroman-5-yl-sulphonyl)-urea or -thiourea derivatives of formula (I) and their salts are new. R1 = H, alkyl, alkoxy, F, Cl, Br, I, CF3, NH2, mono- or dialkylamino or alkylthio; R2a = H, Me or Et; R2b, R2d = H, Me or Et; or phenyl or benzyl (both optionally ring-substituted by 1-3 of halogen, Me, Et, OMe and OEt); R2c,R2e = H, Me or Et; R3 = H, alkyl, cycloalkyl, cycloalkylmethyl or CF3; n = 1 or 2; Z = O or S; A = phenyl (optionally substituted by 1-3 of halogen, Me, OMe, Et or OEt), a lactam residue of formula (a), 1-oxo-1,2,3,4-tetrahydroisoquinolin-2-yl, 1-oxo-per-hydro-isoquinolin-2-yl, 1-oxo-1,2-dihydro-iso-indol-2-yl or 1-oxo-per-hydro-iso-indol-2-yl; B = 3-6C alkylene or 3-6C alkenylene (both optionally substituted by 1-3 alkyl); unless specified otherwise alkyl moieties have 1-4C and cycloalkyl moieties 3-6C. |