Ube Industries, Inc.

Other

Nissan Chemical Industries Limited

Future Ink Corporation

Hidetaka Shima

Shigeyoshi Nishino

Kenji Hirotsu

Takashi Harada

Hiroyuki Oda

Katsumasa Harada

Shinobu Suzuki

Tetsuro Shimano

Kazuaki Kakita

Keiji Iwamoto

Youji Omata

Shizuo Tokito

Toshikazu Machida

Daisuke Kumaki

Yasuhiro Tanaka

Yasuhiro Yoneda

Naoko Okada

Masashi Shirai

Akira Nakamura

Takashi Honma

Minoru Nishimura

Harunori Fujita

Takafumi Iwasa

Yoshihisa Kakuta

Toshio Furuya

Yoji Omata

Kenjiro Fukuda

Kimihiko Yoshimura

Masashi Mamada

Natsuko Yamada

Naoako Okada

A benzobis(thiadiazole) derivative represented by the following general formula (1):  in which R represents a linear or branched alkyl group;

Benzobis (thiadiazole) derivative, ink comprising same, and organic electronic device comprising same

A method for producing a nitrogen-containing pentafluorosulfanylbenzene compound of formula (2a) or (2b):   

Method for producing nitrogen-containing pentafluorosulfanylbenzene compound

An aryloyl(oxy or amino)pentafluorosulfanylbenzene compound having pharmacological action. The aryloyl(oxy or amino)pentafluorosulfanylbenzene compound is represented by general formula (A-I), a pharmaceutically acceptable salt thereof, and a prodrug thereof, wherein all of parameters represent the same meanings as defined in the specification.

Aryloyl(oxy or amino)pentafluorosulfanylbenzene compound, pharmaceutically acceptable salt thereof, and prodrugs thereof

A benzobis(thiadiazole) derivative represented by the formula (1): 

Benzobis(thiadiazole) derivative and organic electronics device comprising same

The present invention relates to a binuclear ruthenium complex dye having a higher absorption coefficient and capable of absorbing light of longer wavelength for realizing a photoelectric conversion element and a photochemical cell which may convert solar light into electricity over a wide wavelength range and exhibit high photoelectric conversion efficiency; and a binuclear ruthenium complex dye for realizing a photoelectric conversion element and a photochemical cell which may have high durability.

Photoelectric conversion element comprising binuclear ruthenium complex dye having a substituted bipyridyl group, and photochemical cell

A process for producing a quinazolin-4-one compound having the formula: [wherein R, R, Rand Reach represents a group not participating in the below-mentioned reaction, and R, R, Rand Rcan be combined together to form a ring] which comprises reacting an anthranilic acid derivative having the formula: [wherein Ris a hydrogen atom or a hydrocarbyl group] with a formic acid derivative in the presence of an ammonium carboxylate.

Process for producing quinazolin-4-one derivative

A 4-aminoquinazoline derivative can be obtained by the steps of reacting quinazolin-4-one or its derivative with a chlorinating agent in a first organic solvent in the presence of an organic base, and subsequently reacting the reaction product with an amine compound represented by the formula R&#x2014;NH&#x2014;R(each of Rand Rrepresents hydrogen or an optionally substituted hydrocarbyl group) in the presence of a second organic solvent.

Process for producing 4-aminoquinazoline compound

6,7-Bis(2-methoxyethoxy)quinazolin-4-one of formula (5) useful in synthesis of an anti-cancer drug can be prepared by a reaction of ethyl 2-amino-4,5-bis(2-methoxyethoxy)benzoate of formula (4) with an orthoformic acid in the presence of an ammonium acetate: 

Process for preparation of 6, 7-bis(2-methoxyethoxy) quinazolin-4-one

A polycyclic pentafluorosulfanylbenzene compound represented by the following general formula (1) and a process for producing the polycyclic pentafluorosulfanylbenzene compound which comprises reacting a specific pentafluorosulfanylbenzene compound with a specific boronic acid compound are provided. The polycyclic pentafluorosulfanylbenzene compound is a novel compound and can be produced by the process industrially advantageously. (Rto Reach independently represent hydrogen atom or fluorine atom, Rrepresents a hydrocarbon group having at least two cyclic structures which may have substituents, and Z represents keto group, thioketo group, methylene group or difluoromethylene group.)

Polycyclic pentafluorosulfanylbenzene compound and process for producing the compound

An object of the present invention is to provide an industrially suitable process for preparing an imidazolidin-2,4-dione compound which is safe, simple and easy to prepare the imidazolidin-2,4-dione compound with high yield, which is a useful compound, for example, as a material for decomposing a harmful halogenated aromatic hydrocarbon compound such as dioxin, etc., an electroless silver plating solution for electronic parts, or a diazo copying material, etc. This object can be solved by a process for preparing an imidazolidin-2,4-dione compound which comprises subjecting a 4,5-dihydroxy-2-imidazolidinone compound, (1) to dehydration reaction in the presence of an acid catalyst(s); or (2) to reaction at 100 to 300&#xb0; C. Or, it can be solved by a process for preparing an imidazolidin-2,4-dione compound which comprises reacting a mixed solution of a urea compound, glyoxal, and a base at 20 to 300&#xb0; C. Also, an object of the present invention is to provide a method for acquiring a 4,5-dihydroxy-2-imidazolidinone from an aqueous solution containing a 4,5-dihydroxy-2-imidazolidinone by a simple and easy method. This object can be solved by a process for acquiring a solid state 4,5-dihydroxy-2-imidazolidinone compound which comprises mixing an organic solvent with an aqueous solution containing a 4,5-dihydroxy-2-imidazolidinone compound, and subjecting the mixture to azeotropic distillation.

Process for preparing imidazolidin-2,4-dione compound and method for acquiring solid state 4,5-dihydroxy-2-imidazolidinone compound

The present invention relates to a process for preparing tetrahydropyran-4-one represented by the formula (1): which comprises reacting at least one kind of dihydropyran-4-one and pyran-4-one represented by the formula (2): 

Processes for preparing tetrahydropyran-4-one and pyran-4-one

The present invention is to provide a process for preparing an alkyl 3-(4-tetrahydropyranyl)-3-oxopropanoate compound represented by the formula (1):   

Processes for preparing alkyl 3-(4-tetrahydropyranyl)-3-oxopropanoate compound and 4-acyltetrahydropyrane

The present invention is to provide a process for preparing a 4-aminopyrimidine compound represented by the formula (3): 

Process for preparing 4-aminopyrimidine compound

The present invention relates to a process for preparing 4-aminotetrahydropyran compound and an acid salt thereof represented by the formula (1):  

Process for preparing 4-aminotetrahydropyran compound and an acid salt thereof, synthetic intermediate thereof and process for preparing the same

The present invention relates to a process for preparing tetrahydropyran-4-ol which comprises the steps of (A) a cyclization step of preparing tetrahydropyranyl-4-formate represented by the formula (1): by reacting 3-buten-1-ol, a formaldehyde compound and formic acid, and(B) then, a solvolysis step of subjecting the tetrahydropyranyl-4-formate to solvolysis to obtain tetrahydropyran-4-ol represented by the formula (2): and an intermediate and a process for preparing the same.

Growing community of inventors

Ube, Japan

Hidetaka Shima