Hydrazone Compounds, Processes for Their Production, Intermediates Useful for Their Production and Pesticidal Compositions Containing Them
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Europaisches Patentamt J European Patent Office © Publication number: 0 500 111 A2 Office europeen des brevets © EUROPEAN PATENT APPLICATION © Application number: 92102869.2 © int. CIA C07C 251/88, A01N 35/10, C07C 257/22, A01 N 37/52, @ Date of filing: 20.02.92 C07C 309/66, C07C 257/06, C07C 281/04, C07C 49/76, C07C 49/80, C07C 49/807 ® Priority: 22.02.91 JP 114191/91 Sangyo Kaisha Ltd Chuo Kenkyusho, 3-1, Nishi-shibukawa @ Date of publication of application: 2-chome 26.08.92 Bulletin 92/35 Kusatsu-shi, Shiga-ken(JP) Inventor: Sasaki, Hiroshi, c/o Ishihara Sangyo © Designated Contracting States: Kaisha Ltd. AT BE CH DE DK ES FR GB GR IT LI LU MC Chuo Kenkyusho, 3-1, Nishi-shibukawa NL PT SE 2-chome Kusatsu-shi, Shiga-ken(JP) © Applicant: ISHIHARA SANGYO KAISHA, LTD. Inventor: Morita, Masayuki, c/o Ishihara No. 3-22, Edobori 1-chome Sangyo Kaisha Ltd. Nishi-ku Osaka(JP) Chuo Kenkyusho, 3-1, Nishi-shibukawa 2-chome @ Inventor: Toki, Tadaaki, c/o Ishihara Sangyo Kusatsu-shi, Shiga-ken(JP) Kaisha Ltd. Inventor: Yoneda, Tetsuo, c/o Ishihara Chuo Kenkyusho, 3-1, Nishi-shibukawa Sangyo Kaisha Ltd. 2-chome Chuo Kenkyusho, 3-1, Nishi-shibukawa Kusatsu-shi, Shiga-ken(JP) 2-chome Inventor: Koyanagi, Toru, c/o Ishihara Sangyo Kusatsu-shi, Shiga-ken(JP) Kaisha Ltd. Chuo Kenkyusho, 3-1, Nishi-shibukawa 2-chome © Representative: Wachtershauser, Gunter, Dr. Kusatsu-shi, Shiga-ken(JP) Tal 29 Inventor: Yoshida, Kiyomitsu, c/o Ishihara W-8000 Munchen 2(DE) © Hydrazone compounds, processes for their production, intermediates useful for their production and pesticidal compositions containing them. CM © The present invention relates to a hydrazone compound of the formula (I) or its salt, a process for its preparation, an intermediate of the formula (II-5), a pesticidal composition containing said hydrazone compound or its salt as the active ingredient, and a pesticidal method of applying an effective amount thereof: o Q_ Rank Xerox (UK) Business Services 2 EP 0 500 1 1 1 A2 The present invention relates to hydrazone compounds, processes for their production, intermediates useful for their production, pesticidal compositions and pesticidal methods. Hydrazone compounds are disclosed, for example, in Japanese Examined Patent Publication No. 16410/1975 and EP 3,91 3A, EP 26.040A, EP 254,461 A and EP 355.832A. However, compounds of the 5 present invention represented by the after-mentioned formula (I) are not disclosed in these references. The present invention provides a hydrazone compound of the formula (I) or its salt: R5 w 15 wherein each of R1, R2 and R+, which are independent of one another, is a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydroxyl group, a trialkylsilyl group, an alkyl group which may be substituted, a cycloalkyl group which may be substituted, an alkoxy group which may be substituted, an alkylthio group which may be substituted, a carboxyl group which may be substituted, an aryl group which 20 may be substituted, or an aryloxy group which may be substituted, R3 is a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydroxyl group, an alkyl group which may be substituted, a cycloalkyl group which may be substituted, an alkoxy group which may be substituted, an alkylthio group which may be substituted, a carboxyl group which may be substituted, X1S02NH-, Y?C02-, X3SO- X+S02-, X^SCvor (XGY1)2P( = Y2)Y3-, and each of R5 and RG, which are independent of each other, is a hydrogen atom, an 25 alkyl group which may be substituted, X7CO-, X8OCO-, X9S02-, a carbamoyl group which may be substituted, an alkenyl group which may be substituted, an alkynyl group which may be substituted, or a heteroaryl group which may be substituted, or R5 and RG together form =CR7R8, wherein each of X1, X2, X3, X+, X5, Xs and X9, which are independent of one another, is an alkyl group which may be substituted, an alkoxy group which may be substituted, an alkenyl group which may be substituted, or an aryl group 30 which may be substituted, X6 is an alkyl group which may be substituted, an alkenyl group which may be substituted, or an aryl group which may be substituted, X7 is a hydrogen atom, an alkyl group which may be substituted, an alkenyl group which may be substituted, or an aryl group which may be substituted, each of Yi , Y2 and Y3, which are independent of one another, is an oxygen atom or a sulfur atom, and each of R7 and R8, which are independent of each other, is a hydrogen atom, an alkyl group which may be 35 substituted, a cycloalkyl group which may be substituted, an alkoxy group which may be substituted, an alkenyl group which may be substituted, an aryl group which may be substituted, an amino group which may be substituted, or a cyclic amino group which may be substituted, provided that the following cases (1) to (10) are excluded: (1) a case where R3 and R+ are simultaneously hydrogen atoms, 40 (2) a case where at least one of R5 and RG is an unsubstituted carbamoyl group, (3) a case where at least one of R1, R2, R3 and R+ is a nitro group, (4) a case where R2, R+ and R5 are hydrogen atoms, RG is an ethoxycarbonyl group, and at least one of R1 and R3 is a p-methoxy group, (5) a case where R1, R2, R+ and R5 are hydrogen atoms, R3 is a p-tert-butyl group, and RG is an 45 ethoxycarbonyl group, (6) a case where R1, R2 and R+ are hydrogen atoms, R3 is a p-fluorine atom, R5 is an isopropyl group, and RG is a hydrogen atom or an acetyl group, (7) a case where R1, R2, R+, R5 and RG are hydrogen atoms, and R3 is a p-chlorine atom, (8) a case where R7 is an unsubstituted phenyl group, and R8 is a benzyl group which may be 50 substituted, (9) a case where R1, R2 and R3 are methoxy groups, R+ is a hydrogen atom, and R5 and RG are methyl groups, and (10) a case where R5 is a hydrogen atom, and RG is a phenylsulfonyl group which may be substituted, and a process for its production. 55 The present invention also provides an intermediate of the formula (II-5): 3 EP 0 500 1 1 1 A2 (H-5) 5 w wherein each of R12, R13, RH and R15, which are independent of one another, is a hydrogen atom, a halogen atom, or an alkyl group which may be substituted by a halogen atom, provided that the following cases (1) to (4) are excluded: (1) a case where each of R12, R13, RH and R15, which are independent of one another, is a hydrogen atoms or a halogen atom, is (2) a case where R12 or R13 is a p-trifluoromethyl group, and RH or R15 is a p-trifluoromethyl group, (3) a case where R12 or R13 is a halogen atom, and RH or R15 is a methyl group, an ethyl group or a propyl group, and (4) a case where R12 or R13 is a methyl group, an ethyl group or a propyl group, and RH or R15 is a halogen atom. 20 Further, the present invention provides a pesticidal composition comprising a pesticidally effective amount of a hydrazone compound of the formula (IX) or its salt: 25 (IX) wherein R1, R2, R3, R+, R5 and RG are as defined above, provided that a case where R3 and R+ are simultaneously hydrogen atoms, is excluded, and an agricultural adjuvant, and a pesticidal method which comprises applying to pests an effective amount of a hydrazone compound of the formula (IX) or its salt. 35 Now, the present invention will be described in detail with reference to the preferred embodiments. The substituent for each of the alkyl group which may be substituted, the alkoxy group which may be substituted, the alkylthio group which may be substituted, the alkenyl group which may be substituted and the alkynyl group which may be substituted in the definitions of the formula (I) and (IX), may be a halogen atom; an alkoxy group which may be substituted by a halogen atom; a phenyl group which may be 40 substituted by a halogen atom or by an alkyl group which may be substituted by a halogen atom; a phenoxy group which may be substituted by a halogen atom or by an alkyl group which may be substituted by a halogen atom; a cyano group; an alkylamino group; or an alkoxycarbonyl group, the carboxyl group which may be substituted, is a carboxyl group in which the hydrogen atom may be substituted by another substituent, and such another substituent may be an alkyl group which may be 45 substituted by a halogen atom; or an aryl group which may be substituted by a halogen atom or by an alkyl group which may be substituted by a halogen atom, the substituent for each of the heteroaryl group which may be substituted, the aryl group which may be substituted, the aryloxy group which may be substituted and the cycloalkyl group which may be substituted, may be a halogen atom; an alkoxy group which may be substituted by a halogen atom; an alkyl group 50 which may be substituted by a halogen atom; a phenyl group which may be substituted by a halogen atom or by an alkyl group which may be substituted by a halogen atom; a phenoxy group which may be substituted by a halogen atom or by an alkyl group which may be substituted by a halogen atom; a cyano group; an alkylamino group; or an alkoxycarbonyl group, and the substituent for each of the carbamoyl group which may be substituted, the amino group which may 55 be substituted and the cyclic amino group which may be substituted, may be an alkoxy group which may be substituted by a halogen atom; an alkyl group which may be substituted by a halogen atom, a phenyl group which may be substituted by a halogen atom or by an alkyl group which may be substituted by a halogen atom; a phenoxy group which may be substituted by a halogen atom or by an alkyl group which 4 EP 0 500 1 1 1 A2 may be substituted by a halogen atom; a cyano group; an alkylamino group; or an alkoxycarbonyl group.