Nissan Chemical Industries Limited

Yoshinori Ochiai

Masayoshi Hirose

Kiminori Hirata

Masatoshi Baba

Masakazu Taniguchi

Yasuo Kawamura

Tomoyuki Ogura

Masaki Kudo

Shigeru Ishii

Yasuyuki Nakajima

Takahiro Makabe

Hideo Suzuki

Takeshi Mita

Toshiaki Takeyama

Kiyomi Ozawa

Tatsuo Numata

Yoshihiro Iwasawa

Kazuhiro Yamagishi

Masami Hanaue

Masao Nishikubo

Kazunari Nakayama

Masayuki Ogawa

Shigekatu Okamoto

Hiroki Takahashi

Eizo Katakura

Disclosed are substituted-amido derivatives of a general formula (I): ##STR1## in which R.sub.1 represents a group as specifically defined herein; R.sub.2 represents a hydrogen atom, a methyl group, a methoxy group or a halogne atom; B represents a 5-membered hetero-aromatic group as specifically defined herein, as well as a method for preparation of the said derivatives and a fungicide containing the said derivative as an active ingredient.

Substituted-amido compounds and phytopathogenic fungicides containing

Compounds of the formula: ##STR1## wherein R is a member selected from the group consisting of lower alkyls having from 2 to 4 carbon atoms; and chlorine and bromine. The compounds are useful as active ingredients in, e.g., insecticidal, acaricidal, nematicidal, fungicidal and expellant compositions.

Pyridazinone derivatives, preparation thereof, and insecticidal,

A nitrogen-containing heterocyclic compound of the following formula: ##STR1## wherein D represents --N.dbd. or ##STR2## E represents .dbd.N--, ##STR3## G represents --N.dbd., ##STR4## with proviso that when G represents --N.dbd. or ##STR5## the bond of G and E is double bond; and G represents ##STR6## the bond thereof is a single bond, but the case that D represents ##STR7## E represents ##STR8## and G represents --N.dbd. is omitted (R.sup.1, R.sup.2, R.sup.9, R.sup.10, X, Y, A and Q are specified in the specification), as well as compositions for controlling and/or preventing pests and blights, said compositions containing one or two or more of said compounds as an active ingredient.

Nitrogen-containing heterocyclic compounds and compositions for

Compounds of the following formula: ##STR1## wherein Z.sup.3 represents halogen atom, straight or branched chain alkyl group having 1 to 10 carbon atoms, alkoxy group having 1 to 10 carbon atoms, alkylcarbonyl having 2 to 10 carbon atoms, alkoxyalkyl group having 2 to 4 carbon atoms, ##STR2## W represents halogen atom, alkyl group having 1 to 4 carbon atoms, alkoxy group having 1 to 4 carbon atoms, haloalkyl group having 1 to 4 carbon atoms, or nitro group, m is 0 or an integer of 1 to 2, and when m is 2, W may be same or different, and compositions for controlling insects, acari and nemati which contain such compound.

Pyridazinone derivatives, and insecticidal, acaricidal and nematicidal

Novel 3(2H)-pyridazinone derivatives having the formula I: ##STR1## wherein, R is a straight or branched C.sub.2 to C.sub.6 alkyl, R.sup.1 and R.sup.2 are each independently hydrogen or a lower alkyl, R.sup.4 is a halogen, R.sup.3 is a halogen, an alkyl, a cycloalkyl, an alkoxy, a haloalkyl, a haloalkoxy, --CN, --NO.sub.2, a phenyl, a benzyloxy, a benzyl, a phenoxy, a phenylthio, a pyridyloxy, a quinoxalyloxy, a lower alkenyloxy, a lower alkylthio, a lower haloalkylthio, --Si(CH.sub.3).sub.3, --OH, --N(CH.sub.3).sub.2, --SCN, --COOCH.sub.3 or --OCH(CH.sub.3)COOC.sub.2 H.sub.5, and n is an integer of 1 to 5, said R.sup.3 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.

Benzylthio pyridazinone derivatives, preparation thereof, and

Novel 3(2H)-pyridazinone derivatives having the general formula (I): ##STR1## wherein, R denotes a straight or branched C.sub.1 to C.sub.6 alkyl; A denotes a straight or branched C.sub.1 to C.sub.6 alkyl or a halogen; X denotes oxygen or sulfur atom; Q denotes a group; ##STR2## when A is a straight or branched C.sub.1 to C.sub.6 alkyl, and Q denotes a group: ##STR3## when A is a halogen atom; R.sup.1 and R.sup.2 denote each independently hydrogen, a lower alkyl, a lower haloalkyl, or 4-tert-butylphenyl; B denotes --CR.sup.6 .dbd.CR.sup.7 --, --CR.sup.6 R.sup.7 O--, or ##STR4## (wherein, R.sup.6 and R.sup.7 denote various specific organic radicals. 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.

A 3(2H)-pyridazinone derivative of the general formula (I): ##STR1## wherein R is a straight or branched C.sub.2 -C.sub.6 alkyl,

Novel 5-substituted -3(2H)-pyridazinone derivatives and preparation thereof are provided. The derivatives have the formula: ##STR1## wherein, R denotes an alkyl, R.sup.1 and R.sup.2 denote each independently hydrogen or a lower alkyl, X denotes hydrogen, a lower alkyl, a halogen, a lower alkoxy, a lower haloalkyl, a lower haloalkoxy, a cycloalkyl, trimethylsilyl (-Si(CH.sub.3).sub.3), ##STR2## (wherein Y denotes hydrogen, a halogen, a lower alkyl, a lower alkoxy, a lower haloalkyl, a lower haloalkoxy or a cycloalkyl, and m is an integer of 1 to 5), n is an integer of 1 to 5, and Z denotes a halogen; said X being the same or different when n is 2 or more, and the alkyls and the alkyl moieties contained in the groups being straight or branched.

Pyridazinone derivatives, preparation thereof, and agricultural and

Soil fungi-inhibiting agent containing as the active ingredient one or more of the compounds represented by the following general formula ##STR1## wherein I. WHEN BOTH X and Y are oxygen atoms, Z is hydrogen atom, unsubstituted alkyl group, unsubstituted alkenyl group, ##STR2## (in this case the compound is p-toluene sulfonate), NH.sub.2 CH.sub.2 -- (in this case the compound is p-toluene sulfonate), acyl group, ClCH.sub.2 CONH--, or alkyl group substituted by substituents such as R.sub.1 COO--, CH.sub.3 COS--, R.sub.2 O--, R.sub.2 S--, HO--, HOOC--, CH.sub.3 CONH--, acyl group, alkoxyacyl group, where R.sub.1 is lower-alkyl group or alkenyl group, R.sub.2 is lower-alkyl group or benzyl group;

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Minamisaitama, Japan

Yoshinori Ochiai