申请人:Ekwuribe Nnochiri N.
公开号:US20080146778A1
公开(公告)日:2008-06-19
The present invention provides a compound having a formula: where R
1
is selected from the group consisting of alkyl, CH
2
(OC
2
H
4
)OCH
3
, and —(OC
2
H
4
)OCH
3
; n is 0-4; Olig is an oligomer having a formula:
-L-O-PAGR.R
2
]
q
where L is a optional linker moiety selected from the group consisting of —CH
2
O—, —CH
2
OX—, —OX—, —C(O)—, —C(O)X, —NH—, —NHC(O)—, —XNHC(O)—, —NHC(O)X—, —C(O)NH—, —C(O)NHX—, and
where X is alky
1-6
or is not present, Y is N or O or is not present, and R
3
is alkyl
1-6
; PAG is a linear or branched polyalkylene glycol moiety; R
2
is an alkyl
1-22
capping moiety if X is present or alkyl
2-22
if X is not present; and q is a number from 1 to the maximum number of branches on PAG; and m is 1-5.
本发明提供了一种化合物,其化学式为:其中R1选自烷基、CH2(OC2H4)OCH3和—(OC2H4)OCH3的群;n为0-4;Olig是具有以下化学式的寡聚物:-L-O-PAGR.R2]q其中L是可选的连接基团,选自—CH2O—、—CH2OX—、—OX—、—C(O)—、—C(O)X、—NH—、—NHC(O)—、—XNHC(O)—、—NHC(O)X—、—C(O)NH—、—C(O)NHX—和其中X是烷基1-6或不存在,Y是N或O或不存在,R3是烷基1-6;PAG是线性或支链聚烷基乙二醇基团;R2是烷基1-22端基团,如果X存在,则为烷基2-22,如果X不存在,则为烷基2-22;q是1至PAG支链最大数目的数字;m为1-5。