Title:
STEROID COMPOUND HAVING MULTI-FUNCTIONAL METAL CHELATE STRUCTURE
Document Type and Number:
Japanese Patent JP2007210973
Kind Code:
A
Abstract:
To provide a compound which is excellent in solubility and the like, and is suitable for producing lesion-selective liposome contrast media, and to provide a chelate compound comprising the compound and a metal ion.
A compound represented by the general formula (I) [R is a hydrocarbon group containing a structure represented by the general formula (II) as a partial structure; L is a divalent bonding group; Ch is a chelate-forming portion containing three or more nitrogen atoms]. A chelate compound comprises the compound and a metal ion. A liposome contains the chelate compound as a membrane-constituting ingredient. And, a MRI or scintigraphy contract medium contains the liposome.
COPYRIGHT: (C)2007,JPO&INPIT
Inventors:
KORI HIROSHI
TAKAHASHI KAZUNOBU
AIKAWA KAZUHIRO
NISHIGAKI JUNJI
TAKAHASHI KAZUNOBU
AIKAWA KAZUHIRO
NISHIGAKI JUNJI
Application Number:
JP2006034895A
Publication Date:
August 23, 2007
Filing Date:
February 13, 2006
Export Citation:
Assignee:
FUJIFILM CORP
International Classes:
C07J41/00; A61K9/127; A61K47/24; A61K47/28; A61K49/00; C07J43/00
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes