Kuraray Co., Ltd.

Other

Tokyo Institute of Technology

Takashi Sugioka

Hideharu Iwasaki

Takeshi Kusudou

Tomoya Kuwayama

Goro Asanuma

Katsuji Ujita

Takuo Tsuruta

Ken-ichi Koyakumaru

Shiro Terashima

Koichi Kanehira

Junko Sato

Yoshihisa Tsuji

Jin Tokuyasu

Yoshimi Fukunaga

Kazuya Shimizu

Hikaru Nakayama

Masayoshi Yamanaka

Yoshiro Yamashita

There is provided a composition containing one or more basic compounds selected from the group consisting of tertiary amines, nitrogen-containing heterocyclic aromatic compounds, alkali metal carbonate salts, alkaline earth metal carbonate salts and alkali metal hydrogencarbonate salts, and a homoallyl halide.

Homoallyl halide composition and method for storing homoallyl halide

A thienopyrazine compound which is useful for an organic semiconductor material. An organic field effect transistor, which includes an organic semiconductor layer that is easily produced from an organic semiconductor material containing the thienopyrazine compound by a coating method or a printing method, and which exhibits high carrier mobility and high on/off current ratio; and an organic field effect transistor which has ambipolar characteristics. The thienopyrazine compound is represented by chemical formula (I): wherein Arand Areach represents an aryl group, and Rand Reach independently represents a hydrogen atom, an alkyl group or an aryl group; or alternatively Rand Rrepresent a group having a ring formed by combining Rand Rtogether.

Thienopyrazine compound and field effect transistor containing the same

A bisphosphite represented by the general formula (I): General Formula (I) (in the formula, A represents an alkylene group which may have a substituent, a cycloalkylene group which may have a substituent, a phenylene group which may have a substituent, or a naphthylene group which may have a substituent; and Rrepresents a hydrogen atom or an alkyl group) and a method for producing an aldehyde including reacting a non-conjugated diene having a carbon-carbon double bond in a molecular end and having from 6 to 20 carbon atoms with a carbon monoxide and hydrogen in the presence of such a bisphosphite and a group 8 to 10 metal compound, are provided.

Method for producing aldehyde using bisphosphite and group 8-10 metal compound, and such bisphosphite

The present invention provide a process that allows the industrially advantageous production of a cyclopentanone-2,3,5-tricarboxylic acid triester. Namely, the present invention provides a process for producing a cyclopentanone-2,3,5-tricarboxylic acid triester represented by the general formula (IV), characterized by comprising: (1) allowing an itaconic acid diester represented by the general formula (I) to react with a metal salt of malonic acid diester represented by the general formula (II) to obtain a reaction mixture containing an adduct represented by the general formula (III); and then (2) allowing said reaction mixture to react with an alcohol or a metal alkoxide, or a mixture thereof: wherein R, R, R, R, R, R, and Reach independently represents an alkyl group which may have a substituent, and M represents an alkali metal.

Process for Producing Cyclopentanone-2, 3, 5-Tricarboxylic Acid Triester

Process for the production of 5-oxy-7-oxabicyclo &lsqb;4.1.0&rsqb; hept-3-ene-3-carboxylic acid esters

2-Sulfonylpyridine derivatives can be industrially produced efficiently by reacting a sulfonyl cyanide derivative with an &agr;,&bgr;-unsaturated carbonyl compound and a 2-&lcub;&lsqb;(2-pyridyl)methyl&rsqb;thio&rcub;-1H-benzimidazole skeleton can be formed in one step in a good yield by reacting this type of the 2-sulfonylpyridine derivative with a 2-methylthio-1H-benzimidazole derivative in the presence of an organolithium compound.

4-chloro-3,5-dimethyl-2-sulfonyl pyridines

2-Sulfonylpyridine derivatives can be industrially produced efficiently by reacting a sulfonyl cyanide derivative with an &agr;, &bgr;-unsaturated carbonyl compound and a 2-&lcub;&lsqb;(2-pyridyl)methyl&rsqb;thio&rcub;-1H-benzimidazole skeleton can be formed in one step in a good yield by reacting this type of the 2-sulfonylpyridine derivative with a 2-methylthio-1H-benzimidazole derivative in the presence of an organolithium compound.

Method for producing 2-sulfonylpyridine derivatives and method for producing 2-&lcub;&lsqb;(2-pyridyl)methyl&rsqb;thio&rcub;-1H-benzimidazole derivatives

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Kurashiki, Japan

Takashi Sugioka