Title:
CRYSTAL FORM AND AMORPHOUS FORM OF DEZOCINE ANALOGUE HYDROCHLORIDE
Document Type and Number:
WIPO Patent Application WO/2019/007285
Kind Code:
A1
Abstract:
The present invention relates to a crystal form and amorphous form of dezocine analogue hydrochloride, and in particular, to a crystal form of a compound represented by formula (I) and an amorphous form of a compound represented by formula (II). An X-ray powder diffraction spectrum of the crystal form comprises characteristic peaks at 2θ values of 13.1°±0.2°, 16.8±0.2°, and 18.5±0.2°. An X-ray powder diffraction spectrum of the amorphous form is shown in FIG. 1.
Inventors:
ZHANG YANG (CN)
WU WENTAO (CN)
LI ZHIXIANG (CN)
WU WENTAO (CN)
LI ZHIXIANG (CN)
Application Number:
PCT/CN2018/093721
Publication Date:
January 10, 2019
Filing Date:
June 29, 2018
Export Citation:
Assignee:
SHANDONG DANHONG PHARMACEUTICAL CO LTD (CN)
International Classes:
C07C69/017; A61K31/135; A61K31/216; A61P25/04; C07C69/50
Domestic Patent References:
| WO2017118375A1 | 2017-07-13 | |||
| WO2018090982A1 | 2018-05-24 |
Foreign References:
| US4034041A | 1977-07-05 | |||
| CN102503840A | 2012-06-20 | |||
| US4001331A | 1977-01-04 | |||
| US3979434A | 1976-09-07 | |||
| US3976696A | 1976-08-24 |
Other References:
See also references of EP 3608306A4
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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