Sumitomo Chemical Company, Limited

Yoshitomo Tohyama

Yuzuru Sanemitsu

Takashi Komori

Tomohiko Gotou

Kengo Kanematsu

Takashi Furukawa

Noritada Matsuo

Masayuki Enomoto

Hisayuki Hoshi

There are provided a 4-(trichloromethylthio)aniline represented by the general formula (II): wherein Rrepresents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, Reach independently represents a halogen atom, an alkyl group having 1 to 3 carbon atoms, or a perfluoroalkyl group having 1 to 3 carbon atoms, Rrepresents a formyl group, an acetyl group, or a trifluoroacetyl group, and m represents an integer of 0 to 4, a method for producing the same, and a method for producing a 4-(trifluoromethylthio)aniline derivative using the 4-(trichloromethylthio)aniline. It becomes possible to produce a 4-(trifluoromethylthio)aniline with a high yield by using raw materials that can easily be obtained industrially and using general purpose production facilities.

4-(trichloromethylthio) anilines, method for production thereof, and method for producing 4-(trifluoromethylthio) anilines

The present invention provides a process for producing the pyridine compound [d]: [wherein Rand Rare as defined below],which has an excellent herbicidal activity, by making a pyridine compound [a]: [wherein Rrepresents a C1&#x2013;C6 alkoxy group, Rrepresents a halogen atom, cyano group or nitro group, and R&#x3c1;&#x3b5;&#x3c0;&#x3c1;&#x3b5;&#x3c3;&#x3b5;&#x3bd;&#x3c4;&#x3c3; &#x3b1; &#x3b7;&#x3c8;&#x3b4;&#x3c1;&#x3bf;&#x3b3;&#x3b5;&#x3bd; &#x3b1;&#x3c4;&#x3bf;&#x3bc; &#x3bf;&#x3c1; &#x3b7;&#x3b1;&#x3bb;&#x3bf;&#x3b3;&#x3b5;&#x3bd; &#x3b1;&#x3c4;&#x3bf;&#x3bc;] &#x3c1;&#x3b5;&#x3b1;&#x3c7;&#x3c4; &#x3c9;&#x3b9;&#x3c4;&#x3b7; &#x3b1;&#x3bd; &#x3b1;-diazoester compound [f]:NCHCOR[f][wherein Ris defined above]in the presence of an acid.

Pyridone compounds useful for producing pyridine compounds

3-Phenoxy-2-pyridone compound can be produced by making the amide compound of the formula (1): 

Process for production of phenoxy-substituted 2-pyridone compounds

The present invention provides a process for producing the pyridine compound [d]: [wherein Rand Rare as defined below],which has an excellent herbicidal activity, by making a pyridine compound [a]: [wherein Rrepresents a C1&#x2013;C6 alkoxy group, Rrepresents a halogen atom, cyano group or nitro group, and Rrepresents a hydrogen atom or halogen atom] react with an &#x3b1;-diazoester compound [f]:NCHCOR[f][wherein Ris defined above]in the presence of an acid.

Process for producing pyridine compound

Uracil compounds and use thereof

The present invention provides novel pyridazin-3-one derivatives of general formula (1): ##STR1## wherein R.sup.1 is haloalkyl; R.sup.2 and R.sup.3 are independently hydrogen, alkl, haloalkyl, or alkoxyalkyl; X is hydrogen or halogen; Y is halogen, nitro, cyano, or trihalomethyl; Z.sup.1 is oxygen, sulfur, CH.sub.2, or NH; R.sup.4 is hydrogen, halogen, or alkyl; and R.sup.5 is cycoalkyl, formyl, benzyl, alkyl with an epoxy group, or other substituents as defined in the description, and herbicides containing them as active ingredients.

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Ashiya, Japan

Yoshitomo Tohyama