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Patent Searching and Data


Title:
医薬中間体の異性化
Document Type and Number:
Japanese Patent JP5204088
Kind Code:
B2
Abstract:
The present invention relates to an isomerisation method of vitamin D analogues, such as compounds useful for the synthesis of calcipotriol, and to and to the use of a flow-through photoreactor or continuous flow photoreactor reactor for making said vitamin D analogues. The present invention relates further to the use of intermediates produced with said method for making calcipotriol or calcipotriol monohydrate, or pharmaceutical formulations thereof.

Inventors:
Michael Peter Volkman
Eric Trungoh Hansen
Application Number:
JP2009500699A
Publication Date:
June 05, 2013
Filing Date:
May 08, 2006
Export Citation:
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Assignee:
Leo Pharma Actiesl Scab
International Classes:
C07C401/00; A61K31/592; A61P3/02; C07F7/18; C07B61/00
Domestic Patent References:
JP2001163856A
JP8505612A
Foreign References:
WO1996035508A1
Other References:
Tetrahedron,1987年,Vol.43, No.20,4609-4619
Attorney, Agent or Firm:
Aoyama Aoi
Takuji Yamada
Michiko Matsutani
Mitsutaka Iwasaki
Sakurai Yoko