申请人:Johnson Bruce Fletcher
公开号:US20130195756A1
公开(公告)日:2013-08-01
An embodiment of the invention comprises a ligand of Formula I
wherein R
1
and R
2
are independently an alkyl or cycloalkyl; R
3
is and alkyl; X is CO or SO
2
; Y is (CH2)
n
, C
6
H
4
, (OCH
2
CH
2
)
n
(NHCH
2
CH
2
)
n
and (OCH
2
CH
2
CH
2
)
n
, or a combination thereof; Z is linker group capable of conjugating to a vector; and n is an integer between 0 and 10. Also included are an imaging agent comprising a compound of Formula I complexed to
99m
Tc and their method of use to image a subject having a target site using single photon emission computed tomography (SPECT).
本发明的一种实施例包括以下式子的配体,其中R1和R2独立地是烷基或环烷基;R3是烷基;X是CO或SO2;Y是(CH2)n,C6H4,(OCH2CH2)n(NHCH2CH2)n和(OCH2CH2CH2)n,或它们的组合;Z是能够与载体共轭的连接基;n是介于0和10之间的整数。还包括一种成像剂,其包括配合到99mTc的式子I化合物,以及使用单光子发射计算机断层扫描(SPECT)成像方法成像具有靶位点的受试者。