| 摘要 |
Compounds of the formula <IMAGE> wherein R1 and R2 are each hydrogen, chlorine or fluorine; and R3 is -CH2OH, -CH2-O-COR4, -CH2-O-CONHR5, -COOH, -COOCat, -COOR6, -CONR7R8 or -CO-SR9; where Cat is one equivalent of an inorganic or organic cation; R4 is hydrogen or alkyl of 1 to 10 carbon atoms; R5 is alkyl of 1 to 4 carbon atoms, phenyl or halo-substituted phenyl; R6 is alkyl of 1 to 10 carbon atoms which may optionally have a chloro, hydroxyl, lower alkoxy, lower alkoxy-lower alkoxy, lower alkylthio, amino, mono-lower alkyl-amino, di-lower alkyl-amino, allyloxy or phenoxy substituent attached thereto; phenyl; benzyl; monochloro-benzyl; dichloro-benzyl; cyclohexyl; 1-ethynyl-cyclohexyl; lower alkenyl; lower alkynyl; -N=C(CH3)2; 2-(2',4',5'-trichloro-phenoxy)-ethyl, 2-(2', 5'-dichloro-4'-bromo-phenoxy)-ethyl; or <IMAGE> R7 is hydrogen, lower alkyl, hydroxy-lower alkyl, lower alkenyl, lower alkynyl, phenyl, chloro-substituted phenyl, hydroxyl, amino, phenyl-amino or thiazolyl; R8 is hydrogen, lower alkyl, lower alkenyl or hydroxy-lower alkyl; R9 is hydrogen or alkyl of 1 to 10 carbon atoms; and N IS AN INTEGER FROM 2 TO 6, INCLUSIVE. |
