申请人:CURACLE Co., Ltd.
公开号:EP3925966A1
公开(公告)日:2021-12-22
The present invention relates to a crystalline form of (E)-methyl 6-((3S,8S,9S,10R,13S,14S,17R)-3-(((5S,6R)-5-acetoxy-6-(acetoxymethyl)-5,6-dihydro-2H-pyran-2-yl)oxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta [a]phenanthrene-17-yl) hept-5-enoate and a blood vessel leak blocker comprising the same. The novel crystalline form has high purity, excellent stability, excellent long-term storage and pharmaceutical stability, and can be used as a vascular leakage blocker, so it is very advantageous in producing high-quality drug substances.
本发明涉及一种结晶形式的(E)-甲基 6-((3S,8S,9S,10R,13S,14S,17R)-3-(((5S,6R)-5-乙酰氧基-6-(乙酰氧甲基)-5,6-二氢-2H-吡喃-2-基)氧基)-10、13-二甲基-2,3,4,7,8,9,10,11,12,13,14,15,16,17-十四氢-1H-环戊并[a]菲-17-基)庚-5-烯酸酯和由其组成的血管泄漏阻断剂。这种新型结晶具有纯度高、稳定性好、长期贮存和药用稳定性优异等特点,可用作血管渗漏阻断剂,在生产高品质药物物质方面非常有利。