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    • 2. 发明申请
    • PENICILLIN G ESTER
    • WO1993008196A1
    • 1993-04-29
    • PCT/JP1992001327
    • 1992-10-12
    • FUJISAWA PHARMACEUTICAL CO., LTD.TAKAHASHI, SatoruYAMAMURA, AtsushiHAYASHIDA, HisashiTAKAGI, HirofumiKANEDA, Shigeo
    • FUJISAWA PHARMACEUTICAL CO., LTD.
    • C07D499/46
    • C07D499/00
    • A compound represented by general formula (I) and a preventive or curative agent for fish diseases containing the same as an active ingredient, wherein A represents a single bond and R represents (a), lower alkenoyl, cyclopropylcarbonyloxymethyl, cyclohexylcarbonyloxymethyl, benzoyloxy, benzoyloxymethyl, (b) (wherein Y represents -O- or -COO-), -Z-COOR (wherein Z represents a single bond, -CH2-, -CH2CH2- or -CH=CH-), -CH2W (wherein W represents hydrogen, hydroxy, lower alkoxy or cyano), -CH2NH2, -CH2NHCH3, (c), -CH2N(C2H5)2, (d), (e), (f) or (g) placed at the 3-position; or alternatively A represents (h) and R represents -COOCH3 placed at the 4-position; or further alternatively A represents -CH2M- (wherein M represents O or S) and R represents halogen, lower alkyl, lower alkoxy, lower alkanoyl, lower alkoxycarbonyl, lower alkoxycarbonyl-lower alkyl, lower alkanoyloxy-lower alkyl, lower alkanoyloxy, hydroxylated lower alkyl, or -O(CH2CH2O)kR (wherein R represents lower alkyl and k represents an integer of 1 to 3); R represents hydrogen, lower alkoxy or lower alkanoyloxy; R represents hydrogen; and X represents N or CH.
    • 由通式(I)表示的化合物和含有与活性成分相同的鱼病的预防或治疗剂,其中A表示单键,R 1表示(a),低级烯酰基,环丙基羰氧基甲基,环己基羰氧基甲基,苯甲酰氧基 ,苯甲酰氧基甲基,(b)(其中Y表示-O-或-COO-),-Z-COOR 7(其中Z表示单键,-CH 2 - , - CH 2 CH 2 - 或-CH = CH-), - CH2W(其中W表示氢,羟基,低级烷氧基或氰基),-CH2NH2,-CH2NHCH3,(c),-CH2N(C2H5)2,(d),(e),(f)或(g) 3-位; 或者A表示(h),R 1表示置于4-位的-COOCH 3; 或另外地,A表示-CH 2 M-(其中M表示O或S),R 1表示卤素,低级烷基,低级烷氧基,低级烷酰基,低级烷氧基羰基,低级烷氧基羰基 - 低级烷基,低级烷酰氧基 - 低级烷基,低级烷酰氧基 ,羟基化低级烷基或-O(CH 2 CH 2 O)k R 8(其中R 8表示低级烷基,k表示1〜3的整数)。 R 2表示氢,低级烷氧基或低级烷酰氧基; R 3表示氢; X表示N或CH。