| abstract |
1. A compound selected from the group consisting of! ! where R1 represents —H or a cyano group, and R2 represents a heteroatom-substituted or heteroatom-unsubstituted C3-C7 cycloalkyl; ! where X1 is halogen and R3 is heteroatom-substituted or heteroatom-unsubstituted C3-C7 cycloalkyl, C6-C10 aryl or C7-C10 aralkyl; ! ! where X2 is halogen and R4 is hydroxy or heteroatom substituted or heteroatom unsubstituted C1-C10 acyloxy; ! ! where X3 is halogen or heteroatom substituted or heteroatom unsubstituted C1-C10 alkyl or C1-C10 alkoxy,! R5 represents —H or a cyano group, and! R6 is heteroatom-substituted or heteroatom-unsubstituted C1-C10 alkyl, C3-C7 cycloalkyl, C1-C10 acyloxy, C6-C10 aryl or C7-C10 aralkyl; ! ! where X4 is halogen or heteroatom-substituted or heteroatom-unsubstituted C1-C10 alkyl or C1-C10 alkoxy,! R7 represents —H or a cyano group, and! R8 is heteroatom-substituted or heteroatom-unsubstituted C1-C10 alkyl, C3-C7 cycloalkyl, C1-C10 acyloxy, C6-C10 aryl or C7-C10 aralkyl; ! ! where X5 is heteroatom-substituted or heteroatom-unsubstituted! C1-C10 alkyl or C1-C10 alkoxy,! R9 represents —H or a cyano group, and! R10 is heteroatom-substituted or heteroatom-unsubstituted C1-C10 alkyl, C3-C7 cycloalkyl, C1-C10 acyloxy, C6-C10 aryl or C7-C10 aralkyl; ! ! where A is —C (O) - or —S (O2) -, and! X6 is halogen or heteroatom-substituted or heteroatom-unsubstituted C1-C10 alkyl or C1-C10 alkoxy! R11 is heteroatom-substituted or heteroatom-unsubstituted C1-C10 alkyl, C3-C7 cycloalkyl, C1-C10 acyloxy, C6-C10 a |