C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/7, 260/264.7
C07D 237/18 (2006.01) A01N 43/58 (2006.01) C07D 401/12 (2006.01) C07D 403/12 (2006.01) C07F 7/08 (2006.01)
Patent
CA 1255676
ABSTRACT Novel 3(2H)-pyridazinone derivatives having the formula I: Image (I) wherein, R is a straight or branched C2 to C6 alkyl, R1 and R2 are each independently hydrogen or a lower alkyl, R4 is a halogen, R3 is a halogen, an alkyl, a cycloalkyl, an alkoxy, a haloalkyl, a haloalkoxy, -CN, -NO2, a phenyl, a benzyloxyy, a benzyl, a phenoxy, a phenylthio, a pyridyloxy, a quinoxalyloxy, a lower alkenyloxy, a lower alkylthio, a lower haloalkylthio, - Si(CH3)3, -OH, -N(CH3)2, -SCN, -COOCH3 or -OCH(CH3)COOC2H5, and n is an integer of 1 to 5, said R3 being the same or different when n is an integer of 2 to 5. A process for preparation of said derivatives is also provided. These derivatives are useful as an active ingredient of insecticidal, acaricidal, nematicidal and/or fungicidal compositions for agricultural and horticultural uses as well as of expellent compositions for ticks parasitic on animals.
457326
Baba Masatoshi
Hirata Kiminori
Hirose Masayoshi
Ochiai Yoshinori
Taniguchi Masakazu
Mccarthy Tetrault Llp
Nissan Chemical Industries Ltd.
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