HIGHER FATTY ACID TRIESTER COMPOUND HAVING DIETHYLENETRIAMINE-TYPE METAL CHELATE STRUCTURE
申请人:Kuniyoshi Hidenobu
公开号:US20080299043A1
公开(公告)日:2008-12-04
A compound having superior solubility and suitable for a liposome contrast medium selective for a lesion such as vascular diseases is provided which is represented by the following general formula (I)
wherein R
1
, R
2
and R
3
independently represent an alkyl group or an alkenyl group having 8 to 25 carbon atoms; X represents —O—, or —N(Z)- (Z represents hydrogen atom, or an alkyl group having 1 to 3 carbon atoms); and L represents a divalent bridging group constituted by atoms selected from the group consisting of carbon atom, hydrogen atom, oxygen atom, nitrogen atom and sulfur atom; Ch represents a functional group represented by the following general formula (II), and in the general formula (II), any one of the hydrogen atom H
a
, H
b
, H
c
, H
d
, H
e
, and H
f
is substituted with L.