Patents by Inventor Fumie Kajino

Fumie Kajino 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).

  • Method for producing 3,4-dihydroisoquinoline derivatives and production intermediates of same
    Patent number: 9499515
    Abstract: Provided are an efficient method for producing 3,4-dihydroisoquinoline derivatives and useful production intermediates thereof. Provided is a method for producing 3,4-dihydroisoquinoline derivatives represented by general formula (1), comprising converting a compound represented by general formula (3) in the presence of acid after reacting with an aniline derivative, or converting a compound represented by general formula (3) by reacting with an aniline derivative in the presence of an acid.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: November 22, 2016
    Assignee: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki Umetani, Nobuhiro Kondo, Fumie Kajino, Munetsugu Morimoto
  • METHOD FOR PRODUCING 3,4-DIHYDROISOQUINOLINE DERIVATIVES AND PRODUCTION INTERMEDIATES OF SAME
    Publication number: 20160039786
    Abstract: Provided are an efficient method for producing 3,4-dihydroisoquinoline derivatives and useful production intermediates thereof. Provided is a method for producing 3,4-dihydroisoquinoline derivatives represented by general formula (1), comprising converting a compound represented by general formula (3) in the presence of acid after reacting with an aniline derivative, or converting a compound represented by general formula (3) by reacting with an aniline derivative in the presence of an acid.
    Type: Application
    Filed: October 22, 2015
    Publication date: February 11, 2016
    Applicant: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki UMETANI, Nobuhiro KONDO, Fumie KAJINO, Munetsugu MORIMOTO
  • Method for producing 3,4-dihydroisoquinoline derivatives and production intermediates of same
    Patent number: 9193706
    Abstract: Provided are an efficient method for producing 3,4-dihydroisoquinoline derivatives and useful production intermediates thereof. Provided is a method for producing 3,4-dihydroisoquinoline derivatives represented by general formula (1), comprising converting a compound represented by general formula (3) in the presence of acid after reacting with an aniline derivative, or converting a compound represented by general formula (3) by reacting with an aniline derivative in the presence of an acid.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: November 24, 2015
    Assignee: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki Umetani, Nobuhiro Kondo, Fumie Kajino, Munetsugu Morimoto
  • Method for producing 4, 4-difluoro-3,4-dihydroisoquinoline derivatives
    Patent number: 9150538
    Abstract: Provided is a simple and efficient method for the large-scale production of a 4,4-difluoro-3,4-dihydroisoquinoline derivative. In the method for producing a 4,4-difluoro-3,4-dihydroisoquinoline derivative represented by general formula (1): a compound represented by general formula (2): is reacted with hydrogen fluoride.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: October 6, 2015
    Assignee: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki Umetani, Nobuhiro Kondo, Fumie Kajino
  • METHOD FOR PRODUCING 4, 4-DIFLUORO-3,4-DIHYDROISOQUINOLINE DERIVATIVES
    Publication number: 20140235862
    Abstract: Provided is a simple and efficient method for the large-scale production of a 4,4-difluoro-3,4-dihydroisoquinoline derivative. In the method for producing a 4,4-difluoro-3,4-dihydroisoquinoline derivative represented by general formula (1): a compound represented by general formula (2): is reacted with hydrogen fluoride.
    Type: Application
    Filed: September 28, 2012
    Publication date: August 21, 2014
    Applicant: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki Umetani, Nobuhiro Kondo, Fumie Kajino
  • METHOD FOR PRODUCING 3,4-DIHYDROISOQUINOLINE DERIVATIVES AND PRODUCTION INTERMEDIATES OF SAME
    Publication number: 20140228576
    Abstract: Provided are an efficient method for producing 3,4-dihydroisoquinoline derivatives and useful production intermediates thereof. Provided is a method for producing 3,4-dihydroisoquinoline derivatives represented by general formula (1), comprising converting a compound represented by general formula (3) in the presence of acid after reacting with an aniline derivative, or converting a compound represented by general formula (3) by reacting with an aniline derivative in the presence of an acid.
    Type: Application
    Filed: September 28, 2012
    Publication date: August 14, 2014
    Applicant: MITSUI CHEMICALS AGRO, INC.
    Inventors: Hideki Umetani, Nobuhiro Kondo, Fumie Kajino, Munetsugu Morimoto