Bifunctional tridentate pyrazolyl containing ligands for re and tc tricarbonyl complexes
申请人:Santos Rego Isabel
公开号:US20060198785A1
公开(公告)日:2006-09-07
The present invention relates to a chelating agent of the general formula: (I), wherein m is 0 or 1; X is NR
4
or S; Y is SR
5
, NHR
5
or P(R
5
)
2
; R
1
and R
3
are the same or different and are selected from H, alkyl or aryl; R
2
is H, COOH, NHR
6
or (CH
2
)
n
COOR
6
; R
4
is H, alkyl, aryl, (CH
2
)
n
COOR
6
or (CH2)
n
OR
6
; R
5
is H, alkyl, aryl, (CH
2
)
n
COOR
6
or (CH
2
)
n
OR
6
, R
6
is H, alkyl or aryl; n is 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10; and when R
1
═R
3
═CH
3
, R
2
, R
4
and R
5
are not all three H. The invention further relates to a method and kit for the preparation of radiolabeled biomolecules while using the chelating agent.
本发明涉及一种螯合剂,其一般式为:(I),其中m为0或1;X为NR4或S;Y为SR5,NHR5或P(R5)2;R1和R3相同或不同,选自H、烷基或芳基;R2为H、COOH、NHR6或(CH2)nCOOR6;R4为H、烷基、芳基、(CH2)nCOOR6或(CH2)nOR6;R5为H、烷基、芳基、(CH2)nCOOR6或(CH2)nOR6,R6为H、烷基或芳基;n为1、2、3、4、5、6、7、8、9或10;当R1═R3═CH3时,R2、R4和R5不全为H。本发明还涉及一种使用该螯合剂制备放射性标记生物分子的方法和试剂盒。