New aryl-substituted aza-heterocyclic compounds, useful as pre- or post-emergence, total or selective herbicides, show defoliant, dessicant and especially weed-killing activity

摘要: 3-(Phenoxy, phenylthio or anilino)-phenyl substituted aza-heterocyclic compounds (I) are new. Substituted aryl heterocycles of formula n = 0 - 5; Q O, S, SO, SO2, NH N(T); R1 H, CN, CSNH2 halogen; R2 CN CSNH2, alkyl, alkoxy, alkylthio, alkylsulfinyl alkylsulfonyl (all optionally by halogen); X OH, SH, NH2, NO2, COOH, CONH2, halo, alkylsulfinyl, alkylamino F, Cl, OT, ST, S(O)T, SO2T, C(O)T, C(O)OT, C(O)NHT, C(O)N(T)2, C(O)NHPh C(O)N(T)Ph) dialkylamino dialkylaminocarbonyl, alkylcarbonyl, alkoxycarbonyl alkylaminocarbonyl Br OT), alkylcarbonyloxy, alkoxycarbonyloxy, mono- dialkylaminocarbonyloxy, alkylcarbonylamino, alkoxycarbonylamino, alkylsulfonylamino, alkenyl, alkenyloxy, alkenyloxycarbonyl, alkynyl, alkynyloxy alkynyloxycarbonyl C(O)OH, C(O)NH2, Br, C(O)N(T)Ph); A one 48 specific N-containing heterocyclic residues given formulae, e.g. maleimido, phthalimido, 4-imidazolyl, succinimido, 1,2,4-triazol-3-yl 2-pyridinyl substituted); T 1-4C alkyl; unless specified otherwise alkyl groups have 1-6C and alkenyl alkynyl 2-6C. Full definitions in the 'DEFINITIONS Definitions' field. Independent claims included for: (1) preparation (I); (2) new intermediates (IV). E -NH-C(Q1)-N(R')-N(R')-C(Q1)-OR3, -NHNH2 -NH-N=C(R)-C(O)R; R3 Q1 O S; R C(S)NH2 alkoxycarbonyl, halo 3-6C alkynyloxy, alkenylthio alkynylthio halo), cycloalkyl cycloalkyl-(1-4C alkyl) (both T); R' NH2 halogen OT) halo) T), phenyl phenyl-(1-4C T, haloalkyl, OT haloalkoxy); adjacent + 2-5C alkanediyl alkenediyl and/or interrupted terminally internally N(T)).