双酰胺和混合胺/酰胺 NiN2S2 配合物作为含镍乙酰辅酶 A 合酶和超氧化物歧化酶的模型:实验和计算研究
摘要:
乙酰辅酶A合酶(Ni d -ACS)和还原镍超氧化物歧化酶(Ni-SOD)的远端镍位点显示出类似的方形平面Ni II N 2 S 2配位环境。然而,这两个位点之间的一个区别是 Ni-SOD 中的镍离子包含混合的胺/酰胺配位基序,而Ni-ACS 中的 Ni d位点包含双酰胺基配位基序。为了深入了解不同配位环境对 Ni 离子性质的影响,我们系统地检查了两种方形平面 Ni II N 2 S 2复合物,一种具有双硫醇-双酰胺连接 (Et 4 N)2 (Ni(L1))·2H 2 O ( 2 ) [H 4 L1 = N -(2-巯基乙酰基)- N '-(2-巯基乙基)甘氨酰胺] 和另一个与双硫醇胺/酰胺基连接 K(Ni( HL2)) ( 3 ) [H 4 L2 = N -(2''-巯基乙基)-2-((2'-巯基乙基)氨基)乙酰胺]。尽管这两种配合物的区别仅在于单个胺与酰胺配体,但它们的化学性质却大不相同。双酰胺配合物
BIFUNCTIONAL COMPOUND WITH MONOSACCHARIDE AND N2S2 LIGAND, AND PREPARATION AND USE THEREOF
申请人:LIU SHOW-WEN
公开号:US20120009669A1
公开(公告)日:2012-01-12
A bifunctional compound with a monosaccharide and a N
2
S
2
ligand, and more particularly, a bifunctional compound with a N
2
S
2
ligand and aminohexylacetyl galactosamine (ah-GalNAc
4
) is provided. A method for preparing the bifunctional compound with a monosaccharide and a N
2
S
2
ligand is also provided, including activating a carboxyl group in an organic ligand, reacting the activated carboxyl group with a galactopyranoside through amidation, and then hydrolyzing. The bifunctional compound of the present invention is widely useful in nuclear medicine for preparation of liver imaging agents for assisting in correct diagnosis of diseases.
Bisamide bisthiol compounds useful for making technetium radiodiagnostic renal agents
申请人:MASSACHUSETTS INSTITUTE OF TECHNOLOGY
公开号:EP0135160A2
公开(公告)日:1985-03-27
A radiodiagnostic bisamido-bisthio ligand useful for producing Tc-labelled radiodiagnostic renal agents is described. The ligand forms a complex with the radionuclide 99mTc suitable for administration as a radiopharmaceutical to obtain images of the kidney for diagnosis of kidney disfunction.
Soluble copper salt containing composition useful for forming technetium labelled radiodiagnostic agents
申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0163294A2
公开(公告)日:1985-12-04
The present invention relates to compositions for making technetium-labelled radiodiagnostic agents and, in particular, to soluble copper salt containing compositions for reducing technetium or accelerating the reduction of technetium for labelling such radiodiagnostic agents, kits for preparing such 99mTc-labelled radiodiagnostic agents with technetium, and methods for labelling such radiodiagnostic agents with technetium.