Patents Assigned to Sagami Chemical Research Center
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Patent number: 7994316Abstract: Since the conventional electron transporters have low thermal stability, the organic electroluminescent devices using them are not sufficient in terms of the compatibility of their luminance and luminous efficiency with device lifetime. A 1,3,5-triazine derivative of formula (1) is obtained by a metal catalyst-aided coupling reaction of a compound of formula (2) with a compound of formula (3), and this is used as a composing component of an organic electroluminescent device. [In the formulae, Ar1 and Ar2 represent phenyl group or the like, R1 and R2 represent hydrogen atom or the like, R3 represents methyl or the like, m is an integer of 0 to 2, X represents 2,4-pyridylene or the like, p is 1 or 2, a and b are 1 or 2, a+b is 3, q is 0 or an integer of p or less, M represents —MgR4 group or the like, R4 represents chlorine atom or the like, r is p-q, and Y represents a leaving group.Type: GrantFiled: August 23, 2006Date of Patent: August 9, 2011Assignees: Tosoh Corporation, Sagami Chemical Research CenterInventors: Tetsu Yamakawa, Hidenori Aihara, Naoko Yanai, Tsuyoshi Tanaka, Masaru Sato
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Publication number: 20110190494Abstract: A 1,3,5-triazine derivative represented by the formula (1): wherein R1, R2 and R3 each independently represent a hydrogen atom or a methyl group; X represents a carbon atom or a nitrogen atom; Ar1 represents a substituted or unsubstituted aromatic hydrocarbon group; Ar2 represents an C1-4 alkyl-substituted or unsubstituted aromatic 6-membered heterocyclic group having one or two nitrogen atoms, which may be a condensed ring compound. An organic electroluminescent device comprising the 1,3,5-triazine derivative exhibits low power consumption and long lifetime.Type: ApplicationFiled: October 2, 2009Publication date: August 4, 2011Applicants: TOSOH CORPORATION, SAGAMI CHEMICAL RESEARCH CENTERInventors: Hidenori Aihara, Akitoshi Ogata, Tsuyoshi Tanaka
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Patent number: 7981318Abstract: Provided is a reaction reagent for trifluoromethylation with high general versatility and good efficiency. The reaction reagent for trifluoromethylation contains an iron compound, trifluoromethyl iodide, a sulfoxide and a peroxide, and may further contain an acid. The iron compound is, for example, iron(II) sulfate, ammonium iron(II) sulfate, iron(II) tetrafluoroborate, ferrocene, bis(?5-pentamethylcyclopentadienyl)iron or an iron powder; the sulfoxide is, for example, dimethyl sulfoxide; the peroxide is, for example, hydrogen peroxide or hydrogen peroxide-urea composite; and the acid is, for example, sulfuric acid, tetrafluoroboric acid or trifluoromethanesulfonic acid.Type: GrantFiled: November 6, 2007Date of Patent: July 19, 2011Assignees: Sagami Chemical Research Center, Tosoh F-Tech, Inc.Inventors: Tetsu Yamakawa, Kyoko Yamamoto, Daisuke Uraguchi, Kenji Tokuhisa
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Publication number: 20110087039Abstract: Objects of the present invention are to provide a novel niobium or tantalum complex having good vapor pressure and becoming a raw material for producing a niobium- or tantalum-containing thin film by a method such as CVD method, ALD method or the like, a method for producing the same, a metal-containing thin film using the same, and a method for producing the same. The present invention relates to producing an imide complex represented by the general formula (1) by, for example, the reaction between M1(NR1)X3(L)r (2) and an alkali metal alkoxide (3): (wherein M1 represents niobium atom or tantalum atom, R1 represents an alkyl group having from 1 to 12 carbon atoms, R2 represents an alkyl group having from 2 to 13 carbon atoms, X represents halogen atom, r is 1 when L is 1,2-dimethoxyethane ligand, r is 2 when L is pyridine ligand, and M2 represents an alkali metal), and producing a niobium- or tantalum-containing thin film by using the imide complex (1) as a raw material.Type: ApplicationFiled: August 20, 2007Publication date: April 14, 2011Applicants: TOSOH CORPORATION, SAGAMI CHEMICAL RESEARCH CENTERInventors: Ken-ichi TADA, Taishi FURUKAWA, Koichiro INABA, Tadahiro YOTSUYA, Hirokazu CHIBA, Toshiki YAMAMOTO, Tetsu YAMAKAWA, Noriaki OSHIMA
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Patent number: 7906668Abstract: Objects of the present invention are to provide a novel niobium or tantalum complex having good vapor pressure and becoming a raw material for producing a niobium- or tantalum-containing thin film by a method such as CVD method, ALD method or the like, a method for producing the same, a metal-containing thin film using the same, and a method for producing the same. The present invention relates to producing an imide complex represented by the general formula (1) by, for example, the reaction between M1(NR1)X3(L)r (2) and an alkali metal alkoxide (3): (wherein M1 represents niobium atom or tantalum atom, R1 represents an alkyl group having from 1 to 12 carbon atoms, R2 represents an alkyl group having from 2 to 13 carbon atoms, X represents halogen atom, r is 1 when L is 1,2-dimethoxyethane ligand, r is 2 when L is pyridine ligand, and M2 represents an alkali metal), and producing a niobium- or tantalum-containing thin film by using the imide complex (1) as a raw material.Type: GrantFiled: August 20, 2007Date of Patent: March 15, 2011Assignees: Tosoh Corporation, Sagami Chemical Research CenterInventors: Ken-ichi Tada, Taishi Furukawa, Koichiro Inaba, Tadahiro Yotsuya, Hirokazu Chiba, Toshiki Yamamoto, Tetsu Yamakawa, Noriaki Oshima
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Patent number: 7884202Abstract: Nucleobases are perfluoroalkylated in a one step process with a perfluoroalkyl halide in the presence of a sulfoxide, a peroxide and an iron compound. Compounds so produced are useful as medicinal drugs, intermediates for medicinal drugs and agricultural chemicals.Type: GrantFiled: November 6, 2006Date of Patent: February 8, 2011Assignees: Tosoh Corporation, Tosoh F-Tech, Inc., Sagami Chemical Research CenterInventors: Tetsu Yamakawa, Kyoko Yamamoto, Daisuke Uraguchi, Kenji Tokuhisa
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Patent number: 7863460Abstract: In a process for producing 1-substituted-3-fluoroalkyl-pyrazole-4-carboxylate (3) by a reaction of 2-alkoxymethylenefluoroacylacetate (1) and hydrazine (2), the reaction is conducted in the presence of a base and water, to produce 1-substituted-3-fluoroalkylpyrazole-4-carboxylate (3) with high selectivity and yield. This novel process enables to produce 1-substituted-3-fluoroalkylpyrazole-4-carboxylate (3), which is useful as an intermediate for pharmaceuticals and agrochemicals, with high selectivity and yield by simple and safe operations.Type: GrantFiled: February 23, 2006Date of Patent: January 4, 2011Assignees: Sagami Chemical Research Center, Japan Finechem Company, Inc.Inventors: Hidenori Aihara, Wakako Yokota, Tetsu Yamakawa, Kenji Hirai
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Patent number: 7816549Abstract: A compound which has thermal stability and moderate vaporizability and is satisfactory as a material for the CVD or ALD method; a process for producing the compound; a thin film formed from the compound as a raw material; and a method of forming the thin film. A compound represented by the general formula (1) is produced by reacting a compound represented by the general formula (2) with a compound represented by the general formula (3). The compound produced is used as a raw material to form a metal-containing thin film. [Chemical formula 1] (1) [Chemical formula 2] (2) [Chemical formula 3] Mp(NR4R5)q(3) (In the formulae, M represents a Group 4 element, aluminum, gallium, etc.; n is 2 or 3 according to cases; R1 and R3 each represents C1-6 alkyl, etc.; R2 represents C1-6 alkyl, etc.; R4 and R5 each represents C1-4 alkyl, etc.; X represents hydrogen, lithium, or sodium; p is 1 or 2 according to cases; and q is 4 or 6 according to cases).Type: GrantFiled: July 28, 2006Date of Patent: October 19, 2010Assignees: Tosoh Corporation, Sagami Chemical Research CenterInventors: Ken-ichi Tada, Koichiro Inaba, Taishi Furukawa, Tetsu Yamakawa, Noriaki Oshima
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Publication number: 20100249406Abstract: A phenyl-substituted 1,3,5-triazine compound represented by the general formula (1); wherein Ar1 and Ar2 independently represent substituted or unsubstituted phenyl, naphthyl or biphenylyl group; R1, R2 and R3 independently represent hydrogen atom or methyl group; X1 and X2 independently represent substituted or unsubstituted phenylene, naphthylene or pyridylene group; p and q independently represent an integer of 0 to 2; and Ar3 and Ar4 independently represent substituted or unsubstituted pyridyl or phenyl group. This compound is suitable for an organic electroluminescent device.Type: ApplicationFiled: March 13, 2008Publication date: September 30, 2010Applicants: TOSOH CORPORATION, SAGAMI CHEMICAL RESEARCH CENTERInventors: Tetsu Yamakawa, Hidenori Aihara, Naoko Yanai, Tsuyoshi Tanaka, Yoko Honma, Masaru Sato
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Patent number: 7767827Abstract: Disclosed are pyrazole-1-carboxylate derivatives of the general formula (1), (wherein symbols are as defined in the specification), a process for the production thereof and processes for producing herbicidally active 3-aryloxypyrazole-1-carboxamide derivatives from the above compound and an intermediate therefor. According to this invention, there can be industrially advantageously produced 3-aryloxypyrazole-1-carboxamide derivatives that does not cause chemical damage on crops but exhibits excellent herbicidal activity against weeds that impair the growth of such crops.Type: GrantFiled: May 22, 2006Date of Patent: August 3, 2010Assignees: Kaken Pharmaceutical Co., Ltd., Sagami Chemical Research CenterInventors: Atsushi Uchida, Wakako Yokota, Kenji Hirai, Tomoyuki Yano
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Publication number: 20100152443Abstract: The present invention provides a pyrazole derivative of the general formula (1), which has an excellent efficacy as an active component for a herbicide, an intermediate for the production thereof, processes for the production thereof, and a herbicide containing the derivative as an active ingredient.Type: ApplicationFiled: February 26, 2010Publication date: June 17, 2010Applicants: SAGAMI CHEMICAL RESEARCH CENTER, KAKEN PHARMACEUTICAL CO., LTD.Inventors: Kenji Hirai, Atsushi Uchida, Atsuko Watanabe, Taeko Abe, Takuya Ueda, Hiroshi Sakurai
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Publication number: 20100105936Abstract: A compound which has thermal stability and moderate vaporizability and is satisfactory as a material for the CVD or ALD method; a process for producing the compound; a thin film formed from the compound as a raw material; and a method of forming the thin film. A compound represented by the general formula (1) is produced by reacting a compound represented by the general formula (2) with a compound represented by the general formula (3). The compound produced is used as a raw material to form a metal-containing thin film. [Chemical formula 1] (1) [Chemical formula 2] (2) [Chemical formula 3] Mp(NR4R5)q(3) (In the formulae, M represents a Group 4 element, aluminum, gallium, etc.; n is 2 or 3 according to cases; R1 and R3 each represents C1-6 alkyl, etc.; R2 represents C1-6 alkyl, etc.; R4 and R5 each represents C1-4 alkyl, etc.; X represents hydrogen, lithium, or sodium; p is 1 or 2 according to cases; and q is 4 or 6 according to cases.Type: ApplicationFiled: July 28, 2006Publication date: April 29, 2010Applicants: TOSOH CORPORATION, SAGAMI CHEMICAL RESEARCH CENTERInventors: Ken-ichi Tada, Koichiro Inaba, Taishi Furukawa, Tetsu Yamakawa, Noriaki Oshima
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Patent number: 7700786Abstract: The present invention provides a pyrazole derivative of the general formula (1), which has an excellent efficacy as an active component for a herbicide, an intermediate for the production thereof, processes for the production thereof, and a herbicide containing the derivative as an active ingredient.Type: GrantFiled: February 19, 2002Date of Patent: April 20, 2010Assignees: Sagami Chemical Research Center, Kaken Pharmaceutical Co., Ltd.Inventors: Kenji Hirai, Atsushi Uchida, Atsuko Watanabe, Taeko Abe, Takuya Ueda, Hiroshi Sakurai
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Patent number: 7662841Abstract: The present invention relates to compounds of formula (I) and a process for producing the same. In formula (I), X represents a halogen atom, and R1 represents group —COR2 wherein R2 represents group OM or C1-12 alkyloxy wherein M represents a hydrogen atom, an alkali metal, an alkaline earth metal, or quaternary ammonium. The use of this compound as a synthetic intermediate can realize the production of carbapenem derivatives having potent antimicrobial activity in an efficient and safe manner at low cost.Type: GrantFiled: January 19, 2006Date of Patent: February 16, 2010Assignees: Meiji Seika Kaisha, Ltd., Sagami Chemical Research CenterInventors: Eiki Shitara, Kunio Atsumi, Keiichi Ajito, Shinya Ikeda, Tadashi Katoh, Munenori Inoue, Mari Nakatani
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Publication number: 20100010248Abstract: Objects of the present invention are to provide a novel niobium or tantalum complex having good vapor pressure and becoming a raw material for producing a niobium- or tantalum-containing thin film by a method such as CVD method, ALD method or the like, a method for producing the same, a metal-containing thin film using the same, and a method for producing the same. The present invention relates to producing an imide complex represented by the general formula (1) by, for example, the reaction between M1(NR1)X3(L)r (2) and an alkali metal alkoxide (3): (wherein M1 represents niobium atom or tantalum atom, R1 represents an alkyl group having from 1 to 12 carbon atoms, R2 represents an alkyl group having from 2 to 13 carbon atoms, X represents halogen atom, r is 1 when L is 1,2-dimethoxyethane ligand, r is 2 when L is pyridine ligand, and M2 represents an alkali metal), and producing a niobium- or tantalum-containing thin film by using the imide complex (1) as a raw material.Type: ApplicationFiled: August 20, 2007Publication date: January 14, 2010Applicants: Tosoh Corporation, Sagami Chemical Research CenterInventors: Ken-ichi Tada, Taishi Furukawa, Koichiro Inaba, Tadahiro Yotsuya, Hirokazu Chiba, Toshiki Yamamoto, Tetsu Yamakawa, Noriaki Oshima
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Patent number: 7632958Abstract: Objects of the present invention are to provide a novel titanium complex that has good vaporization characteristics and an excellent thermal stability, and becomes a raw material for forming a titanium-containing thin film by methods such as CVD method or ALD method, its production method, a titanium-containing thin film formed using the same, and its formation method. In the invention, a titanium complex represented by the general formula (1) is produced by reacting a diimine represented by the general formula (2) and metallic lithium, and then reacting a tetrakisamide complex represented by the general formula (3). (In the formulae, R1 and R4 represent an alkyl group having from 1 to 6 carbon atoms. R2 and R3 each independently represents a hydrogen atom or an alkyl group having from 1 to 3 carbon atoms. R5 and R6 each independently represents an alkyl group having from 1 to 4 carbon atoms.).Type: GrantFiled: November 1, 2006Date of Patent: December 15, 2009Assignees: Tosoh Corporation, Sagami Chemical Research CenterInventors: Ken-ichi Tada, Koichiro Inaba, Taishi Furukawa, Hirokazu Chiba, Tetsu Yamakawa, Noriaki Oshima
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Publication number: 20090281311Abstract: Since the conventional electron transporters have low thermal stability, the organic electroluminescent devices using them are not sufficient in terms of the compatibility of their luminance and luminous efficiency with device lifetime. A 1,3,5-triazine derivative of formula (1) is obtained by a metal catalyst-aided coupling reaction of a compound of formula (2) with a compound of formula (3), and this is used as a composing component of an organic electroluminescent device. [In the formulae, Ar1 and Ar2 represent phenyl group or the like, R1 and R2 represent hydrogen atom or the like, R3 represents methyl or the like, m is an integer of 0 to 2, X represents 2,4-pyridylene or the like, p is 1 or 2, a and b are 1 or 2, a+b is 3, q is 0 or an integer of p or less, M represents —MgR4 group or the like, R4 represents chlorine atom or the like, r is p-q, and Y represents a leaving group.Type: ApplicationFiled: August 23, 2006Publication date: November 12, 2009Applicants: TOSOH CORPORATION, SAGAMI CHEMICAL RESEARCH CENTERInventors: Tetsu Yamakawa, Hidenori Aihara, Naoko Yanai, Tsuyoshi Tanaka, Masaru Sato
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Patent number: 7592471Abstract: A novel tantalum compound, a method for producing the novel tantalum compound, and a method for stably forming a tantalum-containing thin film which contains the desired element. The tantalum compound enables one to selectively form a tantalum-containing thin film free of halogen and the like, and various tantalum-containing thin films which contain the desired element.Type: GrantFiled: January 25, 2006Date of Patent: September 22, 2009Assignees: Tosoh Corporation, Sagami Chemical Research CenterInventors: Kenichi Sekimoto, Ken-ichi Tada, Mayumi Takamori, Tetsu Yamakawa, Taishi Furukawa, Noriaki Oshima
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Publication number: 20090043119Abstract: Objects of the present invention are to provide a novel tantalum compound which enables to selectively form a tantalum-containing thin film free of halogen and the like, and various tantalum-containing thin films which contain the desired element, and a method for producing the same, and further provide a method for stably forming a tantalum-containing thin film which contains the desired element. The present invention relates to a tantalum compound represented by the following formula (1) (In the formula, R1 represents a straight-chain alkyl group having from 2 to 6 carbon atoms), or a tantalum compound represented by the general formula (2) (In the formula, R2 represents a straight-chain alkyl group having from 2 to 6 carbon atoms), and a method for producing the same.Type: ApplicationFiled: January 25, 2006Publication date: February 12, 2009Applicants: TOSOH CORPORATION, SAGAMI CHEMICAL RESEARCH CENTERInventors: Kenichi Sekimoto, Ken-ichi Tada, Mayumi Takamori, Tetsu Yamakawa, Taishi Furukawa, Noriaki Oshima
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Publication number: 20090036697Abstract: Objects of the present invention are to provide a novel titanium complex that has good vaporization characteristics and an excellent thermal stability, and becomes a raw material for forming a titanium-containing thin film by methods such as CVD method or ALD method, its production method, a titanium-containing thin film formed using the same, and its formation method. In the invention, a titanium complex represented by the general formula (1) is produced by reacting a diimine represented by the general formula (2) and metallic lithium, and then reacting a tetrakisamide complex represented by the general formula (3). (In the formulae, R1 and R4 represent an alkyl group having from 1 to 6 carbon atoms. R2 and R3 each independently represents a hydrogen atom or an alkyl group having from 1 to 3 carbon atoms. R5 and R6 each independently represents an alkyl group having from 1 to 4 carbon atoms.).Type: ApplicationFiled: November 1, 2006Publication date: February 5, 2009Applicants: TOSOH CORPORATION, SAGAMI CHEMICAL RESEARCH CENTERInventors: Ken-ichi Tada, Koichiro Inaba, Taishi Furukawa, Hirokazu Chiba, Tetsu Yamakawa, Noriaki Oshima