Title:
METHOD FOR PRODUCING OPTICALLY ACTIVE VALERIC ACID DERIVATIVE
Document Type and Number:
WIPO Patent Application WO/2016/043253
Kind Code:
A1
Abstract:
A method for producing a compound (4), the method comprising reacting a compound (1) with hydrogen gas in an inert solvent in the presence of a specific chiral ligand and a ruthenium catalyst, or in the presence of the chiral ligand and a chiral transition metal complex catalyst generated in advance from a ruthenium catalyst.
Inventors:
HAYASHI MASAKI (JP)
UKAI KAZUTOSHI (JP)
UKAI KAZUTOSHI (JP)
Application Number:
PCT/JP2015/076389
Publication Date:
March 24, 2016
Filing Date:
September 17, 2015
Export Citation:
Assignee:
DAIICHI SANKYO CO LTD (JP)
International Classes:
C07D233/64; A61P9/00; A61K31/417; C07B53/00; C07B61/00
Domestic Patent References:
| WO2011115064A1 | 2011-09-22 | |||
| WO2001094334A1 | 2001-12-13 |
Foreign References:
| JP2007106706A | 2007-04-26 | |||
| JP2004075684A | 2004-03-11 |
Other References:
APPLEBY, I. ET AL.: "Efficient Synthesis of an Imidazole-Substituted delta-Amino Acid by the Integration of Chiral Technologies", ORGANIC LETTERS, vol. 7, no. 10, 2005, pages 1931 - 1934, XP055266864
LENNON, I. C. ET AL., PROCESS ASPECTS OF ASYMMETRIC HYDROGENATION SCI PROCESS DEVELOPMENT SYMPOSIUM, 5 December 2007 (2007-12-05), pages 1 - 60, XP009501035, Retrieved from the Internet
See also references of EP 3196192A4
LENNON, I. C. ET AL., PROCESS ASPECTS OF ASYMMETRIC HYDROGENATION SCI PROCESS DEVELOPMENT SYMPOSIUM, 5 December 2007 (2007-12-05), pages 1 - 60, XP009501035, Retrieved from the Internet
See also references of EP 3196192A4
Attorney, Agent or Firm:
ISHIBASHI, Koki et al. (JP)
Kimiki Ishibashi (JP)
Kimiki Ishibashi (JP)
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