Patents Examined by Jennifer Sawyer
  • Synthetic intermediate of 1-(2-deoxy-2-fluoro-4-thio-?-D-arabinofuranosyl)cytosine, synthetic intermediate of thionucleoside, and method for producing the same
    Patent number: 10093645
    Abstract: A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the like) is useful as an intermediate for producing a thionucleoside, and the production method of the present invention is useful as a method for producing a thionucleoside.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: October 9, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Kouki Nakamura, Satoshi Shimamura, Junichi Imoto, Motomasa Takahashi, Katsuyuki Watanabe, Kenji Wada, Yuuta Fujino, Takuya Matsumoto, Makoto Takahashi, Hideki Okada, Takehiro Yamane, Takayuki Ito
  • Enantiomerically pure binaphthol derivatives and method for preparing the same
    Patent number: 10059659
    Abstract: The present invention relates to compounds 1, 1a (S-enantiomer) and 1b (R-enantiomer) of the following formula 1, and a method for preparing the same. [formula 1] The novel compound of the formula 1 is used as an important intermediate for preparing compounds 6, 6a (S-enantiomer) and 6b (R-enantiomer) of the following formula 6, which are 2,2?-binaphthol-3-aldehyde derivatives. Also, the present invention provides a method for preparing the compound of formula 1 with a very safe method at low cost.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: August 28, 2018
    Assignee: AMINOLOGICS CO. LTD.
    Inventors: Rae Kyu Chang, Yun Soo Ahn, Heejung Jung, Hyerim Ga, Juwan Maeng, Young-Kook Koh, Young Hee Lee, Kwang Jae Lee, Joonseo Kim, Hyunil Lee, Heungsik Yoon
  • Process for the production of a dipeptide derivative
    Patent number: 10059738
    Abstract: The present invention is related to a novel and improved process for the manufacture of compounds of formula (I) or salts thereof herein designated as benzylsulfonyl-Ser-X-4-amidinobenzylamide, wherein R is a C1 to C6 linear or branched aliphatic hydrocarbon chain optionally substituted with a C6 to C10 aromatic group.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: August 28, 2018
    Assignee: DSM IP ASSETS B.V.
    Inventors: Jonathan Alan Medlock, Peter Wikstroem