Title:
【発明の名称】ピロリジルチオカルバペネム誘導体の新型結晶
Document Type and Number:
Japanese Patent JP3375084
Kind Code:
B2
Abstract:
A novel crystal of a pyrrolidylthiocarbapenem derivative having excellent stability is provided. According to the present invention, a crystal of (+)-(4R,5S,6S)-6-Ä(1R)-1-hydroxyethylÜ-4-methyl-7-oxo-3 ÄÄ(3S,5S)-5-(sulfamoylaminomethyl)pyrrolidin-3-ylÜthioÜ -1-azabicycloÄ3.2.0Ühept-2-ene-2-carboxylic acid having a diffraction pattern in powder X-ray diffraction preferably having main peaks at diffraction angles (2θ) = 13.04, 14.98, 15.88, 16.62, 20.62, 21.06, 22.18, 23.90, 26.08, 28.22 and 28.98 (degrees) is provided.
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Inventors:
Izumi Saito
Masayuki Takahira
Toshio Kawakita
Yasuyuki Yoshioka
Masayuki Takahira
Toshio Kawakita
Yasuyuki Yoshioka
Application Number:
JP2001570660A
Publication Date:
February 10, 2003
Filing Date:
March 30, 2001
Export Citation:
Assignee:
Shionogi Pharmaceutical Co., Ltd.
International Classes:
F04D29/00; A61P31/04; C07D477/20; F04D13/06; (IPC1-7): C07D477/00; A61K9/14; A61K31/407; A61P31/04
Attorney, Agent or Firm:
Shusaku Yamamoto (2 outside)