Title:
CRYSTAL FORM A OF BUPIVACAINE-MELOXICAM SALT, SINGLE CRYSTAL THEREOF, PREPARATION METHOD THEREFOR AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/082917
Kind Code:
A1
Abstract:
Disclosed are a crystal form A of bupivacaine-meloxicam salt, a single crystal thereof, a preparation method therefor and a use thereof. An X-ray powder diffraction pattern of the crystal form A of the bupivacaine-meloxicam salt has characteristic diffraction peaks at the following 2θ(°) angles: 7.5±0.2, 8.3±0.2, 12.7±0.2, 15.1±0.2, 16.1±0.2, 16.6±0.2, 24.9±0.2, and 25.0±0.2.
Inventors:
TANG TIAN (CN)
CHEN POE-JOU (CN)
LIANG DONGLI (CN)
SUN YANHUI (CN)
LIN RUIBIN (CN)
JIANG JUANJUAN (CN)
LIU SHUFEN (CN)
CHEN POE-JOU (CN)
LIANG DONGLI (CN)
SUN YANHUI (CN)
LIN RUIBIN (CN)
JIANG JUANJUAN (CN)
LIU SHUFEN (CN)
Application Number:
PCT/CN2023/120714
Publication Date:
April 25, 2024
Filing Date:
September 22, 2023
Export Citation:
Assignee:
CALI SHENZHEN BIOSCIENCES CO LTD (CN)
International Classes:
C07D211/60; A61K31/445; A61K31/5415; A61P29/00; C07D417/12
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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