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Patent Searching and Data


Title:
CRYSTAL OF SPIROKETAL DERIVATIVE
Document Type and Number:
WIPO Patent Application WO/2012/115249
Kind Code:
A1
Abstract:
The present invention provides a novel crystalline form of 1,1-anhydro-1-C-[5-(4-ethylphenyl)methyl-2-(hydroxyl- methyl)phenyl]-β-D-glucopyranose, which has a peak at a diffraction angle (2θ) around 4.0˚ in a powder X-ray diffraction pattern.

Inventors:
MURAKATA MASATOSHI (JP)
NAGASE MASAHIRO (JP)
KIMURA NOBUAKI (JP)
SHIMAMURA TOMOYUKI (JP)
ARIMOTO SATORU (JP)
TAKEDA SUNAO (JP)
NAKANO KAZUHIKO (JP)
TAKATA NORIYUKI (JP)
UETO TAKAMITSU (JP)
TANIDA SATOSHI (JP)
Application Number:
PCT/JP2012/054648
Publication Date:
August 30, 2012
Filing Date:
February 24, 2012
Export Citation:
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Assignee:
CHUGAI PHARMACEUTICAL CO LTD (JP)
MURAKATA MASATOSHI (JP)
NAGASE MASAHIRO (JP)
KIMURA NOBUAKI (JP)
SHIMAMURA TOMOYUKI (JP)
ARIMOTO SATORU (JP)
TAKEDA SUNAO (JP)
NAKANO KAZUHIKO (JP)
TAKATA NORIYUKI (JP)
UETO TAKAMITSU (JP)
TANIDA SATOSHI (JP)
International Classes:
C07H19/01; A61K31/7048; A61P3/10
Domestic Patent References:
WO2009154276A12009-12-23
WO2006080421A12006-08-03
Other References:
NORIAKI HIRAYAMA, YUKI KAGOBUTSU KESSHO SAKUSEI HANDBOOK -GENRI TO KNOW-HOW, 25 July 2008 (2008-07-25), pages 68 - 73, 82-83
OTSUKA MAKOTO ET AL.: "RELATION BETWEEN POLYMORPHIC TRANSFORMATION PATHWAY DURING GRINDING AND THE PHYSICOCHEMICAL PROPERTIES OF BULK POWDERS FOR PHARMACEUTICAL PREPARATIONS", DRUG DEVELOPMENT AND INDUSTRIAL PHARMACY, vol. 20, no. 9, 1994, pages 1649 - 1660
YADA SHUICHI ET AL.: "Solid phase transition of CS-891 enantiotropes during grinding", INTERNATIONAL JOURNAL OF PHARMACEUTICS, vol. 255, 2003, pages 69 - 79
LI HUI ET AL.: "Investigations on Solid-Solid Phase Transformation of 5-Methyl-2-[(4-Methyl- 2-Nitrophenyl)Amino]-3-Thiophenecarbonitrile", JOURNAL OF PHARMACEUTICAL SCIENCES, vol. 96, no. 5, 2007, pages 1079 - 1089
CHEUNG EUGENE Y. ET AL.: "Reconciling thermal and structural data from the polymorphic transitions of malonamide", THERMOCHIMICA ACTA, vol. 482, 2009, pages 57 - 61
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
Ono Shinjiro (JP)
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Claims: