| abstract |
Abstract of the Disclosure A herbicidal compound of the formula wherein R is halogen, C1-C2 alkyl, C1-C2 alkoxy, nitro; cyano; C1-C2 halo-alkyl, or RaSOn- wherein n is 0 or 2 and Ra is C1-C2 alkyl; R1 is hydrogen or C1-C4 alkyl; R2 is hydrogen or C1-C4 alkyl; or R1 and R2 together are alkylene having 2 to 5 carbon atoms; R3 is hydrogen or C1-C4 alkyl; R4 is hydrogen or C1-C4 alkyl; or R3 and R4 are oxo; RS is hydrogen or C1-C4 alkyl; R6 is hydrogen or C1-C4 alkyl; and R7 and R8 independently are (1) hydrogen; (2) halogen; (3) C1-C4 alkyl; (4) C1-C4 alkoxy; (5) trifluoro-methoxy; (6) cyano; (7) nitro; (8) C1-C4 haloalkyl; (9) RbSOn- wherein n is the integer 0, 1 or 2; and Rb is (a) C1-C4 alkyl; (b) C1-C4 alkyl sub-stituted with halogen or cyano; (c) phenyl; or (d) benzyl; (10) -NRcRd wherein Rc and Rd independently are hydrogen or C1-C4 alkyl; (11) ReC(O)-wherein Re is C1-C4 alkyl or C1-C4 alkoxy; (12) SO2NRcRd wherein Rc and Rd are as defined; or (13) -N(Rc)C(O)Rd wherein Rc and Rd are as defined; R9 is hydrogen or C1-C4 alkyl, R10 is (a) hydrogen; (b) C1-C6 alkyl, (c) C4-C6 cycloalkyl, (d) substituted C1-C6 alkyl, (e) phenyl; (f) substituted phenyl; (g) C1-C6 alkoxy; (h) benzyl; (i) phenethyl; (j) C1-C4 alkyl-C(O)-; (k) C1-C4 alkyoxy-C(O)-; (l) C2-C6 alkenyl; or (m) C2-C6 alkynyl; and R9 and R10 together form a heterocyclic ring with the nitro-gen to which they are attached containing 0, 1 or 2 additional hetero atoms (nitrogen, sulfur or oxygen). |