Novel crystal of tetracyclic compound

The present invention relates to a novel crystal of a tetracyclic compound or a salt or hydrate thereof. The present invention relates to the crystals of forms II and III of 9-ethyl-6, 6-dimethyl-8-(4-morpholin-4-yl-piperidin-1-yl)-11-oxo-6, 11-dihydro-5H-benzo [b] carbazole-3-formonitrile, which ar...

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Bibliographic Details
Main Authors TANAKA KOTA, UETO TAKAMITSU
Format Patent
LanguageChinese
English
Published 21.09.2021
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The present invention relates to a novel crystal of a tetracyclic compound or a salt or hydrate thereof. The present invention relates to the crystals of forms II and III of 9-ethyl-6, 6-dimethyl-8-(4-morpholin-4-yl-piperidin-1-yl)-11-oxo-6, 11-dihydro-5H-benzo [b] carbazole-3-formonitrile, which are pharmaceutically useful. 本发明涉及四环化合物或其盐或水合物的新结晶。本发明涉及作为制药上有用的新结晶9-乙基-6,6-二甲基-8-(4-吗啉-4-基-哌啶-1-基)-11-氧代-6,11-二氢-5H-苯并[b]咔唑-3-甲腈的II型和III型结晶。
Bibliography:Application Number: CN202110843684