| 摘要 |
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> can be oxo; R<5> is hydrogen or C1-C4 alkyl; R<6> is hydrogen or C1-C4 alkyl; or R<5> and R<6> together are alkylene having 2 to 5 carbon atoms; 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; m is the integer 0, 1 or 2; and R<9> is C1-C4 alkyl, phenyl, cyano, substituted phenyl, or -(CH2)x-C(O)O- (C1-C4 alkyl) wherein X is the integer 1, 2 or 3. |
