Patents by Inventor Takeshi Kinsho

Takeshi Kinsho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210114960
    Abstract: A process for preparing a 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl carboxylate compound of the following general formula (6), wherein R represents a monovalent hydrocarbon group having 1 to 9 carbon atoms, the process comprising esterifying a 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl compound of the following general formula (5), wherein X represents a hydroxyl group or a halogen atom, to form the 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl carboxylate compound (6).
    Type: Application
    Filed: October 15, 2020
    Publication date: April 22, 2021
    Inventors: Takeshi Kinsho, Tomohiro Watanabe
  • Patent number: 10954174
    Abstract: The present invention provides a process for preparing (7Z)-7-tricosene of the following formula (3): the process comprising a step of subjecting a nucleophilic reagent, (8Z)-8-pentadecenyl compound of the following general formula (1), wherein M1 represents Li, MgZ1, CuZ1 or CuLiZ1, wherein Z1 represents a halogen atom or an (8Z)-8-pentadecenyl group, to a coupling reaction with a 1-halooctane compound of the following general formula (2), wherein X1 represents a halogen atom, to produce (7Z)-7-tricosene (3).
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: March 23, 2021
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yuki Miyake, Takeshi Kinsho, Yusuke Nagae
  • Publication number: 20210061744
    Abstract: A process for preparing a dienynal compound of the following general formula (2): CH2?CHC?CCH?CH(CH2)nCHO (2), wherein n represents an integer of 0 to 11, the process comprising a step of hydrolyzing a dialkoxyalkadienyne compound of the following general formula (1): CH2?CHC?CCH?CH(CH2)nCH(OR1)(OR2) (1) wherein R1 and R2 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, preferably 1 to 8, mere preferably 1 to 4, or R1 and R2 may be bonded to each other to form a divalent hydrocarbon group, R1-R2, having from 2 to 10 carbon atoms, and n represents an integer of 0 to 11, to obtain the dienynal compound (2).
    Type: Application
    Filed: September 2, 2020
    Publication date: March 4, 2021
    Inventors: Yuki Miyake, Takeshi Kinsho, Ryo Komatsu
  • Publication number: 20210061745
    Abstract: A process for preparing 4-penten-2-ynal of the following formula (2): CH2?CHC?CCHO??(2) the process comprising a step of hydrolyzing a 5,5-dialkoxy-1-penten-3-yne compound of the following general formula (1): CH2?CHC?CCH(OR1)(OR2)??(1) wherein R1 and R2 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, preferably 1 to 8, more preferably 1 to 4, or R1 and R2 may be bonded to each other to form a divalent hydrocarbon group, R1-R2, having from 2 to 10 carbon atoms, to obtain 4-penten-2-ynal (2).
    Type: Application
    Filed: September 2, 2020
    Publication date: March 4, 2021
    Inventors: Yuki Miyake, Naoki Ishibashi, Takeshi Kinsho
  • Publication number: 20210017115
    Abstract: The present invention provides a process for preparing a diester compound of the following general formula (1), having a dimethylcyclobutane ring, wherein R1 and R2 represent, independently of each other, a monovalent hydrocarbon group having 1 to 10 carbon atoms, the process comprising reacting a dimethylcyclobutanone compound of the following general formula (2), wherein R1 is as defined above, with a phosphonic ester compound of the following general formula (3), wherein R2 and R3 represent, independently of each other, a monovalent hydrocarbon group having 1 to 10 carbon atoms, to produce the diester compound (1), having a dimethylcyclobutane ring.
    Type: Application
    Filed: July 16, 2020
    Publication date: January 21, 2021
    Inventors: Naoki Ishibashi, Yusuke Nagae, Takeshi Kinsho
  • Publication number: 20210017112
    Abstract: The present invention provides a process for preparing a dimethylcyclobutane compound of the following general formula (1A), the process comprising reacting a dimethylcyclobutanone compound of the following general formula (2) with a phosphonic ester compound of the following general formula (3) to produce an unsaturated ester compound of the following general formula (4), having a dimethylcyclobutane ring, and subjecting the unsaturated ester compound (4), having a dimethylcyclobutane ring, to a reduction reaction to produce the dimethylcyclobutane compound (1A).
    Type: Application
    Filed: July 16, 2020
    Publication date: January 21, 2021
    Inventors: Naoki Ishibashi, Yusuke Nagae, Takeshi Kinsho
  • Publication number: 20210009489
    Abstract: The present invention provides a process for preparing an 11-halo-3-undecene compound (7) in which X1 represents a halogen atom, the process comprising a step of subjecting a nucleophilic reagent, 3-hexenyl compound (5): in which M2 represents Li or MgZ2, wherein Z2 represents a halogen atom or a 3-hexenyl group, to a coupling reaction with a 1-halo-5-halopentane compound (6) in which X3 and X4 may be same with or different from each other and represent a halogen atom, to produce the 11-halo-3-undecene compound (7).
    Type: Application
    Filed: July 7, 2020
    Publication date: January 14, 2021
    Inventors: Yuki Miyake, Takeshi Kinsho, Ryo Komatsu
  • Patent number: 10882805
    Abstract: The present invention provides a process for preparing 4-methyl-5-nonanone of the following formula (3): the process comprising at least a step of subjecting 2-methylpentanoic anhydride of the following formula (1) and an n-butyl nucleophilic reagent of the following general formula (2) in which M represents Li, MgZ1, or ZnZ1, wherein Z1 represents a halogen atom or an n-butyl group, to a nucleophilic substitution. reaction Coproduce 4-methyl-5-nonanone (3), as well as a process for preparing 4-methyl-5-nonanol of the following formula (5), the process comprising at least steps of preparing 4-methyl-5-nonanone; and subjecting the obtained 4-methyl-5-nonanone and a reducing agent to a reduction reaction to produce 4-methyl-5-nonanol (5).
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: January 5, 2021
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yuki Miyake, Takeshi Kinsho, Yusuke Nagae
  • Patent number: 10882806
    Abstract: The present invention provides a process for preparing 4-methyl-5-nonanone of the following formula (3), the process comprising at least a step of subjecting pentanoic anhydride of the following formula (1) and a 2-pentyl nucleophilic reagent of the following general formula (2), in which M represents Li, MgZ1, or ZnZ1, wherein Z1 represents a halogen atom or a 2-pentyl group, to a nucleophilic substitution reaction to produce 4-methyl-5-nonanone (3), as well as a process for preparing 4-methyl-5-nonanol of the following formula (7), the process comprising at least steps of preparing 4-methyl-5-nonanone and subjecting the obtained 4-methyl-5-nonanone and a reducing agent to a reduction reaction to produce 4-methyl-5-nonanol (7).
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: January 5, 2021
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yuki Miyake, Takeshi Kinsho, Ryo Komatsu
  • Publication number: 20200361836
    Abstract: The present invention provides a process for preparing (7Z)-7-tricosene of the following formula (3): the process comprising a step of subjecting a nucleophilic reagent, (8Z)-8-pentadecenyl compound of the following general formula (1), wherein M1 represents Li, MgZ1, CuZ1 or CuLiZ1, wherein Z1 represents a halogen atom or an (8Z)-8-pentadecenyl group, to a coupling reaction with a 1-halooctane compound of the following general formula (2), wherein X1 represents a halogen atom, to produce (7Z)-7-tricosene (3).
    Type: Application
    Filed: May 12, 2020
    Publication date: November 19, 2020
    Inventors: Yuki Miyake, Takeshi Kinsho, Yusuke Nagae
  • Patent number: 10815504
    Abstract: Provided are methods including a method for industrially producing (2S,12Z)-2-acetoxy-12-heptadecene, which is, for example, a sex pheromone of pistachio twig borer. The methods can include a production method comprising a step of reacting racemic (2RS,12Z)-2-hydroxy-12-heptadecene with vinyl benzoate in the presence of a lipase to obtain a mixture of optically active (2R,12Z)-2-benzoyloxy-12-heptadecene of Formula (R,Z-2) and optically active (2S,12Z)-2-hydroxy-12-heptadecene of Formula (S,Z-1), a step of heating the mixture to distill out the optically active (2S,12Z)-2-hydroxy-12-heptadecene (S,Z-1), and a step of acetylating the optically active (2S,12Z)-2-hydroxy-12-heptadecene (S,Z-1) to obtain optically active (2S,12Z)-2-acetoxy-12-heptadecene of Formula (S,Z-3).
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: October 27, 2020
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Miyoshi Yamashita, Takeshi Kinsho
  • Patent number: 10781194
    Abstract: The object of the present invention is to provide an industrial and economical process for preparing (E2)-cis-6,7-epoxy-2-nonenal of the following formula (3): The present invention provides a process for preparing (E2)-cis-6,7-epoxy-2-nonenal (3), comprising at least steps of: subjecting (Z3,Z6)-3,6-nonadien-1-ol of the following formula (1) to oxidation: to form (E2,Z6)-2,6-nonadienal of the following formula (2); and epoxidizing the resulting (E2,Z6)-2,6-nonadienal to form the aforesaid (E2)-cis-6,7-epoxy-2-nonenal (3).
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: September 22, 2020
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Miyoshi Yamashita, Yuki Miyake, Takeshi Kinsho
  • Patent number: 10781146
    Abstract: The object of the present invention is to provide a process for preparing a 5-alken-1-yne compound efficiently at low costs and a process for preparing (2E,6Z)-2,6-nonadienal by making use of the aforesaid process for preparing the 5-alken-1-yne compound. There is provided a process for preparing a 5-alken-1-yne compound of the following formula (4): Y—Z—CR1?CR2—(CH2)2—C?CH (4) in which Y in formula (4) represents a hydrogen atom or a hydroxyl group, the process comprising at least steps of: subjecting (i) an alkenylmagnesium halide compound prepared from a haloalkene compound of the following formula (1): Y—Z—CR1?CR2—(CH2)2—X1 (1) and (ii) an alkyne compound of the following formula (2): X2—C?C—Si(R3)(R4)(R5) (2) to a coupling reaction to form a silane compound of the following formula (3): Y—Z—CR1?CR2—(CH2)2—C?C—Si(R3)(R4)(R5) (3); and subjecting the silane compound (3) to a desilylation reaction to form the 5-alken-1-yne compound (4).
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: September 22, 2020
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tomohiro Watanabe, Takeshi Kinsho, Yuki Miyake
  • Patent number: 10736317
    Abstract: A composition containing a substance having sex pheromone activity on San Jose scale (SJS) after finding the substance. More specifically, there are provided a composition having sex pheromone activity on SJS, the composition containing 3,7-dimethyl-7-octenyl propionate as a substance having sex pheromone activity on SJS; an attractant for SJS, the attractant containing the composition and a support for supporting the composition in such a manner as to allow the substance to be released; a mating disruptant for SJS, the disruptant containing the composition and a container for storing the composition in such a manner as to allow the substance to be released; and a method for attracting SJS or disrupting mating of SJS, the method including a step of installing the attractant or the mating disruptant for SJS in a field to release the substance from the attractant or the mating disruptant into the field.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: August 11, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takeshi Kinsho, Tatsuya Fujii
  • Patent number: 10737999
    Abstract: A process to prepare (9E,11Z)-9,11-hexadecadienyl acetate with a good yield and high purity of the general formula (1): CH3—(CH2)3—CH?CH—CH?CH—(CH2)a—X.=The process includes a step of conducting a Wittig reaction between a haloalkenal of the general formula (2): OHC—CH?CH—(CH2)a—X, and a triarylphosphonium pentylide of the general formula (3): CH3—(CH2)3—CH?—P+Ar3, to obtain the 1-haloalkadiene, and the use of a (7E,9Z)-1-halo-7,9-tetradecadiene obtained by the process for a process of preparing (9E, 11Z)-9,11-hexadecadienyl acetate.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: August 11, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Tomohiro Watanabe, Yuki Miyake, Takeshi Kinsho
  • Patent number: 10730817
    Abstract: The object of the present invention is to provide an industrial and economical process for preparing (E2,Z6)-2,6-nonadienal of the following formula (4): The present invention provides a process for preparing (E2,Z6)-2,6-nonadienal (4), comprising at least steps of: subjecting (Z3,Z6)-3,6-nonadien-1-ol of the following formula (1): to oxidation with a sulfoxide compound of the following formula (2): CH3(R1)S?O??(2) in which R1 represents a monovalent hydrocarbon group having from 1 to 12 carbon atoms, in the presence of a sulfur trioxide complex and an amine compound of the following formula (3): N(R2)(R3)(R4)??(3) in which R2, R3, and R4 each independently represent a monovalent hydrocarbon group having from 1 to 12 carbon atoms, or R3 and R4 may be bonded to each other to form a divalent hydrocarbon group having from 3 to 12 carbon atoms, R3-R4, to form the aforesaid (E2,Z6)-2,6-nonadienal (4).
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: August 4, 2020
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Miyoshi Yamashita, Yuki Miyake, Takeshi Kinsho
  • Publication number: 20200199053
    Abstract: The present invention provides a process for preparing 4-methyl-5-nonanone of the following formula (3), the process comprising at least a step of subjecting pentanoic anhydride of the following formula (1) and a 2-pentyl nucleophilic reagent of the following general formula (2), in which M represents Li, MgZ1, or ZnZ1, wherein Z1 represents a halogen atom or a 2-pentyl group, to a nucleophilic substitution reaction to produce 4-methyl-5-nonanone (3), as well as a process for preparing 4-methyl-5-nonanol of the following formula (7), the process comprising at least steps of preparing 4-methyl-5-nonanone and subjecting the obtained 4-methyl-5-nonanone and a reducing agent to a reduction reaction to produce 4-methyl-5-nonanol (7).
    Type: Application
    Filed: December 20, 2019
    Publication date: June 25, 2020
    Inventors: Yuki Miyake, Takeshi Kinsho, Ryo Komatsu
  • Publication number: 20200199052
    Abstract: The present invention provides a process for preparing 4-methyl-5-nonanone of the following formula (3): the process comprising at least a step of subjecting 2-methylpentanoic anhydride of the following formula (1) and an n-butyl nucleophilic reagent of the following general formula (2) in which M represents Li, MgZ1, or ZnZ1, wherein Z1 represents a halogen atom or an n-butyl group, to a nucleophilic substitution. reaction Coproduce 4-methyl-5-nonanone (3), as well as a process for preparing 4-methyl-5-nonanol of the following formula (5), the process comprising at least steps of preparing 4-methyl-5-nonanone; and subjecting the obtained 4-methyl-5-nonanone and a reducing agent to a reduction reaction to produce 4-methyl-5-nonanol (5).
    Type: Application
    Filed: December 20, 2019
    Publication date: June 25, 2020
    Inventors: Yuki Miyake, Takeshi Kinsho, Yusuke Nagae
  • Publication number: 20200181059
    Abstract: There are provided methods of efficiently producing compounds that are, for example, sex pheromones of San Jose Scale. For example, there is provided a method for producing a 7-methyl-3-methylene-7-octenyl carboxylate compound (4), the method including the steps of: hydrolyzing a 7-methyl-3-methylene-7-octenal acetal compound (1) to obtain 7-methyl-3-methylene-7-octenal (2); reducing the 7-methyl-3-methylene-7-octenal (2) to obtain 7-methyl-3-methylene-7-octenol (3); and esterifying the 7-methyl-3-methylene-7-octenol (3) to obtain a 7-methyl-3-methylene-7-octenyl carboxylate compound (4).
    Type: Application
    Filed: February 12, 2020
    Publication date: June 11, 2020
    Inventors: Takeshi Kinsho, SR., Akihiro Baba, Yusuke Nagae, Tomohiro Watanabe
  • Patent number: 10676417
    Abstract: A halide compound having one or more carbon-carbon unsaturated bonds is catalytically reduced with substantially no dehalogenation to produce a reduced halide compound in which at least one of the one or more unsaturated bonds is reduced. Specifically provided is a method for producing a reduced halide compound including steps of: reacting a nickel compound, a zinc compound, and a borohydride compound in a solvent to obtain a reduction catalyst; and subjecting a halide compound having one or more carbon-carbon unsaturated bonds to catalytic reduction in the presence of the reduction catalyst to reduce at least one of the one or more carbon-carbon unsaturated bonds to thereby obtain a reduced halide compound.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: June 9, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yuki Miyake, Takeshi Kinsho, Yusuke Nagae