| abstract |
A compound of the formula <CHEM> wherein R is halogen, C1-C2 alkyl, C1-C2 alkoxy, nitro; cyano; C1-C2 haloalkyl, or R<a>SOn- wherein n is 0 or 2 and R<a> is C1-C2 alkyl; R<1> is hydrogen or C1-C4 alkyl; R<2> is hydrogen or C1-C4 alkyl; or R<1> and R<2> together are alkylene having 2 to 5 carbon atoms; R<3> is hydrogen or C1-C4 alkyl; R<4> is hydrogen or C1-C4 alkyl; or R<3> and R<4> are oxo; R<5> is hydrogen or C1-C4 alkyl; R<6> is hydrogen or C1-C4 alkyl; and R<7> and R<8> independently are (1) hydrogen; (2) halogen; (3) C1-C4 alkyl; (4) C1-C4 alkoxy; (5) trifluoromethoxy; (6) cyano; (7) nitro; (8) C1-C4 haloalkyl; (9) R<b>SOn- wherein n is the integer 0, 1 or 2; and R<b> is (a) C1-C4 alkyl; (b) C1-C4 alkyl substituted with halogen or cyano; (c) phenyl; or (d) benzyl; (10) -NR<c>R<d> wherein R<c> and R<d> independently are hydrogen or C1-C4 alkyl; (11) R<e>C(O)-wherein R<e> is C1-C4 alkyl or C1-C4 alkoxy; (12) SO2NR<c>R<d> wherein R<c> and R<d> are as defined; or (13) -N(R<c>)C(O)R<d> wherein R<c> and R<d> are as defined; R<9> is hydrogen or C1-C4 alkyl, R<1><0> 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 alkoxy-C(O)-; (l) C2-C6 alkenyl; or (m) C2-C6 alkynyl; and R<9> and R<1><0> together form a heterocyclic ring with the nitrogen to which they are attached containing 0, 1 or 2 additional hetero atoms (nitrogen, sulfur or oxygen). |