摘要 |
<p>The compounds of the general formula (I), wherein R1 and R2 are independently selected from H, C1-C12 alkyl or C1-C6 perfluorinated alkyl; X represents a leaving group; A is -O-; m is an integer from 0 to 3; R3, R4, R5 and R6 are independently selected from H, halogen, -NO2, C1-C12 alkyl, C1-C12 alkoxy, C1-C6 perfluorinated alkyl; Y is selected from the group of formula (i) or an optionally substituted six- or seven-membered saturated, unsaturated or partially unsaturated heterocycle containing up to two heteroatoms selected from the group consisting of -O-, -NH-, -N(C1-C4 alkyl)-, -N=, and -S(O)n-.</p> |