申请人:Rowland Steven John
公开号:US20100297217A1
公开(公告)日:2010-11-25
There is provided an isoprenoid according to the general formula (I) wherein R
1
and R
2
are independently selected from H and alkyl; and R
3
, R
4
, R
5
and R
6
are independently selected from groups of the general formula (II) and (III) wherein R
7
and R
8
each represent a group of general formula CO—R
9
, in which each R
9
is independently selected from H, OH, alkyl and alkoxy groups, or R
7
and/or R
8
present in R
3
and R
4
and/or in R
5
and R
6
combine to form a group of the general formula (IV) wherein R
10
is selected from OH and alkoxy; or salts thereof. The isoprenoids are of particular use in the preparation of liposomes, for use in the delivery of pharmaceutically active components to a subject human or animal.