HIGHER FATTY ACID TRIESTER AND AMIDE DERIVATIVE HAVING DIETHYLENETRIAMINE-TYPE METAL CHELATE STRUCTURE
申请人:Hirai Atsushi
公开号:US20090246141A1
公开(公告)日:2009-10-01
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
to R
3
represent an alkyl group or alkenyl group; X
1
and X
2
represent a single bond, —O—, or —N(Z
1
)- (Z
1
represents hydrogen atom, or an alkyl group); X
3
to X
6
represent —O—, or —N(Z
2
)- (Z
2
represents hydrogen atom, or an alkyl group); n represents an integer of 1 to 10; and L represents a divalent bridging group constituted by atoms selected from the group consisting of carbon atom, hydrogen atom, oxygen atom, nitrogen atom, fluorine atom and sulfur atom.