Title:
METHOD FOR PREPARING NALDEMEDINE
Document Type and Number:
WIPO Patent Application WO/2020/213911
Kind Code:
A1
Abstract:
The present invention provides a method for economically preparing high-purity naldemedine with high yield.
Inventors:
SHIN HYUNIK (KR)
LEE HYOSEON (KR)
LEE HYOSEON (KR)
Application Number:
PCT/KR2020/005007
Publication Date:
October 22, 2020
Filing Date:
April 14, 2020
Export Citation:
Assignee:
YONSUNG FINE CHEMICAL CO LTD (KR)
International Classes:
C07D489/08
Foreign References:
| KR20140057410A | 2014-05-12 | |||
| KR20090057031A | 2009-06-03 | |||
| KR20080014791A | 2008-02-14 | |||
| JP2003528819A | 2003-09-30 | |||
| US8084460B2 | 2011-12-27 |
Other References:
FUJII, H. ET AL.: "The First Example of the Stereoselective Synthesis of 7beta-Carbamoyl-4,5a- epoxymorphinan via a Novel and Reactive y-Lactone", CHEMICAL AND PHARMACEUTICAL BULLETIN, vol. 52, no. 6, 2004, pages 747 - 750, XP008073040, DOI: 10.1248/cpb.52.747
See also references of EP 3957641A4
See also references of EP 3957641A4
Attorney, Agent or Firm:
YU, Su Mi (KR)
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