Title:
SALTS AND CRYSTAL FORM OF BENZOPYRANONE COMPOUND, METHOD FOR PREPARING SAME AND PHARMACEUTICAL COMPOSITION COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/040203
Kind Code:
A1
Abstract:
Salts and a crystal form of a compound in chemical formula 1, namely 2-(2,5-difluorophenyl)-3- carboxy-7-chloro-(4H)-4-benzopyranone, according to the present invention are excellent in terms of various physicochemical properties, namely hygroscopicity, physicochemical stability, solubility and the like, and thus can be utilized for preparing a pharmaceutical composition comprising same as an active ingredient.
Inventors:
PARK KYUNG YEON (KR)
Application Number:
PCT/KR2020/007497
Publication Date:
March 04, 2021
Filing Date:
June 10, 2020
Export Citation:
Assignee:
ILAB (KR)
International Classes:
C07D311/32; A61K31/352; A61P1/00; A61P9/10; A61P17/06; A61P19/02; A61P25/28; A61P29/00; A61P31/00
Foreign References:
| KR101934651B1 | 2019-01-02 | |||
| KR101982667B1 | 2019-05-27 | |||
| KR20080013162A | 2008-02-13 | |||
| US4886806A | 1989-12-12 |
Other References:
LIN, J.-P.: "Transition metal-free one-pot synthesis of 2-substituted 3-carboxy-4-quinolone and chromone derivatives", CHEM. COMM., vol. 49, no. 46, 2013, pages 5313 - 5315, XP055597047, DOI: 10.1039/c3cc41690a
Attorney, Agent or Firm:
CHOI, Eun Sun (KR)
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