Patents by Inventor Shogo Tsukaguchi

Shogo Tsukaguchi 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).

  • Process for preparing 2-methyl-N-(2?-methylbutyl)butanamide
    Patent number: 11970432
    Abstract: The present invention provides a process for preparing 2-methyl-N-(2?-methylbutyl)butanamide of the following formula (1): the process comprising: subjecting an ?-arylethyl-2-methylbutylamine compound of the following general formula (2): wherein Ar represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, to N-2-methylbutyrylation to form an N-?-arylethyl-2-methyl-N-(2?-methylbutyl)butanamide compound of the following general formula (3): wherein Ar is as defined above, and removing the ?-arylethyl group of the resulting compound (3) to form 2-methyl-N-(2?-methylbutyl)butanamide (1).
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: April 30, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Takeshi Kinsho, Yusuke Nagae, Shogo Tsukaguchi, Yasuhiko Kutsuwada, Tatsuya Hojo, Takeru Watanabe
  • PROCESS FOR PREPARING 2-METHYL-N-(2' -METHYLBUTYL)BUTANAMIDE
    Publication number: 20230202968
    Abstract: The present invention provides a process for preparing 2-methyl-N-(2?-methylbutyl)butanamide of the following formula (1): the process comprising: subjecting an ?-arylethyl-2-methylbutylamine compound of the following general formula (2): wherein Ar represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, to N-2-methylbutyrylation to form an N-?-arylethyl-2-methyl-N-(2?-methylbutyl)butanamide compound of the following general formula (3): wherein Ar is as defined above, and removing the ?-arylethyl group of the resulting compound (3) to form 2-methyl-N-(2?-methylbutyl)butanamide (1).
    Type: Application
    Filed: February 28, 2023
    Publication date: June 29, 2023
    Inventors: Takeshi Kinsho, Yusuke Nagae, Shogo Tsukaguchi, Yasuhiko Kutsuwada, Tatsuya Hojo, Takeru Watanabe
  • Process for preparing 2-methyl-N-(2?-methylbutyl)butanamide
    Patent number: 11629119
    Abstract: The present invention provides a process for preparing 2-methyl-N-(2?-methylbutyl) butanamide of the following formula (1):the process comprising: subjecting an ?-arylethyl-2-methylbutylamine compound of the following general formula (2): wherein Ar represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, to N-2-methylbutyrylation to form an N-?-arylethyl-2-methyl-N-(2?-methylbutyl)butanamide compound of the following general formula (3): wherein Ar is as defined above, and removing the ?-arylethyl group of the resulting compound (3) to form 2-methyl-N-(2? -methylbutyl)butanamide (1).
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: April 18, 2023
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Takeshi Kinsho, Yusuke Nagae, Shogo Tsukaguchi, Yasuhiko Kutsuwada, Tatsuya Hojo, Takeru Watanabe
  • PROCESS FOR PREPARING 2-METHYL-N-(2' -METHYLBUTYL)BUTANAMIDE
    Publication number: 20220411363
    Abstract: The present invention provides a process for preparing 2-methyl-N-(2?-methylbutyl)butanamide of the following formula (1):the process comprising: subjecting an ?-arylethyl-2-methylbutylamine compound of the following general formula (2): wherein Ar represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, to N-2-methylbutyrylation to form an N-?-arylethyl-2-methyl-N-(2?-methylbutyl)butanamide compound of the following general formula (3): wherein Ar is as defined above, and removing the ?-arylethyl group of the resulting compound (3) to form 2-methyl-N-(2?-methylbutyl)butanamide (1).
    Type: Application
    Filed: May 24, 2022
    Publication date: December 29, 2022
    Inventors: Takeshi Kinsho, Yusuke Nagae, Shogo Tsukaguchi, Yasuhiko Kutsuwada, Tatsuya Hojo, Takeru Watanabe
  • Dialkoxyalkenyl alkoxymethyl ether compound and a process for preparing a terminal conjugated alkadienal compound from the same
    Patent number: 11414368
    Abstract: The present invention provides a process for preparing a terminal conjugated alkadienal compound of the following general formula (5): CH2?CHCH?CH(CH2)aCHO ??(5) wherein “a” represents an integer of 1 to 15, from a dialkoxyalkenyl alkoxymethyl ether compound of the following general formula (1): R1CH2OCH2OCH2CH2CH?CH(CH2)aCH(OR2)(OR3) ??(1) wherein R1 represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group, R2 and R3 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, or R2 and R3 may form together a divalent hydrocarbon group, R2-R3, having 2 to 10 carbon atoms, and “a” is as defined above.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: August 16, 2022
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yuki Miyake, Takeshi Kinsho, Shogo Tsukaguchi
  • DIALKOXYALKENYL ALKOXYMETHYL ETHER COMPOUND AND A PROCESS FOR PREPARING A TERMINAL CONJUGATED ALKADIENAL COMPOUND FROM THE SAME
    Publication number: 20220106247
    Abstract: The present invention provides a process for preparing a terminal conjugated alkadienal compound of the following general formula (5): CH2?CHCH?CH(CH2)aCHO ??(5) wherein “a” represents an integer of 1 to 15, from a dialkoxyalkenyl alkoxymethyl ether compound of the following general formula (1): R1CH2OCH2OCH2CH2CH?CH(CH2)aCH(OR2)(OR3) ??(1) wherein R1 represents a hydrogen atom, an n-alkyl group having 1 to 9 carbon atoms, or a phenyl group, R2 and R3 represent, independently of each other, a monovalent hydrocarbon group having 1 to 15 carbon atoms, or R2 and R3 may form together a divalent hydrocarbon group, R2-R3, having 2 to 10 carbon atoms, and “a” is as defined above.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 7, 2022
    Inventors: Yuki Miyake, Takeshi Kinsho, Shogo Tsukaguchi