聚酯型Gd配合物的合成与表征柏正武.pdf
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2 No . 2
1998 4 ACTA POLYMERICA SINICA Apr . , 1998
Gd( )*
* *
柏正武 卓仁禧
( 430072)
,
, GdCl 6H O , , .
3 2
Gd( DTPA) .
MRI , ,
( M ag etic Reso a ce Imagi g, MRI) ,
[ 1]
,
. ( Gd3+ ) ,
. ,
[ 2]
, ,
. , ( PEG)
(Diethyle etriami epe taacetic Acid, DT PA ) , ,
GdCl3 6H2O . M RI
Gd( DTPA) , .
[ 3~ 6]
PEG , . ,
, , ,
.
O O
C CH2 CH2 C
O NCH CH NCH CH N + HO CH CH O H
2 2 2 2 O 2 2 n
C CH2 CH COOH CH2 C
2
O O
CH COOH O
2
DMAc, DMAP
CCH NCH CH NCH CH NCH CO CH CH O
2 2 2 2 2 2 2 2 n m
90~ 100
O CH COOH CH COOH
2 2
DTPA PEG
m a~ e
DT PA PEG m + GdCl3 6H2O Gd( DTPA) PEG m a~ e
300
, n= = 6. 8
a a 44
* 1997-04-07 , 1997-07-05 ; ; **
191
192
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