| abstract |
A compound and salt as shown in formula (1), where A represents oxygen atom, or a radical of the formula -S(O), where a is 0 or 2, R1 is nitrilo or -O-SO2R3 OR NR4R5 group, where R3 represents methyl, ethyl, phenyl or methylphenyl, - R4 and R5 are similar or not similar, representing hydrogen, or the direct bond or branched bond alkyl having a plurality of 5 carbon atoms, or R4 or R5 repesent -CO-R6 group, where R6 represents cyclopropyl, cyclopentyl, cyclohexyl or the direct bond or branched bond alkyl or alkyloxy having a plurality of 5 carbon atoms, G, L and M represent hydrogen, R2 repesents hydrogen, methyl-- --, or the direct bond or branched bond alkyl or alkenyl having a plurality of 4 carbon atoms, each group can be substituted by hydroxyl, fluorune, chlorine or phenyl, and phenyl can be substituted by chlorine or cyclopropyl, cyclopentyl, cyclohexyl or the direct bond or branched bond alkyl or alkyloxy having a plurality of 4 carbon atoms, represent phenyl, or the repesentation -NR20R21, -OR22 or -S(O)c-R23 group, where R20 is cyclopropyl, cyclopentyl, cyclohexyl or the direct bond or branched bond alkyl or alkenyl having a plurality of 4 carbon atoms, each group can be replaced by hydroxy, in most cases, the direct bond or branched bond alkyl or alkyloxy having a plurality of 3 carbon atoms can be substituted by alkyloxy, pyridyl, pyrimidyl, or pyrazinyl, or phenyl, the phenyl is further replaced by hydroxyl, trifluorine methyl, methyl or any selected hydroxyl, 1 denotes the number 1 or 2. |