Reactions of dinuclear Ni<sub>2</sub>complexes [Ni(RN<sub>Py</sub>S<sub>4</sub>)]<sub>2</sub>(RN<sub>Py</sub>S<sub>4</sub>= 2,6-bis(2-mercaptophenylthiomethyl)-4-R-pyridine) with Fe(CO)<sub>3</sub>(BDA) (BDA = benzylidene acetone) leading to heterodinuclear NiFe and mononuclear Fe complexes related to the active sites of [NiFe]- and [Fe]-hydrogenases
作者:Li-Cheng Song、Yu Lu、Meng Cao、Xi-Yue Yang
DOI:10.1039/c6ra07488j
日期:——
with Fe(CO)3(BDA) in THF at room temperature, its substituted derivatives (1b, R = MeO; 1c, Cl; 1d, Br; 1e, i-Pr; 1f, BzO; 1g, MeS) have been found to react with Fe(CO)3(BDA) under the same conditions to give the first [RNPyS4] ligand-containing heterodinuclear [NiFe]-hydrogenase model complexes NiFe(RNPyS4)(CO)3 (2b, R = MeO; 2c, Cl; 2d, Br; 2e, i-Pr; 2f, BzO; 2g, MeS) along with the mononuclear [Fe]-hydrogenase
虽然母体Ni 2络合物[Ni(RN Py S 4)] 2(1a,R = H; RN Py S 4 = 2,6-双(2-巯基苯硫甲基)-4-R-吡啶)无法与Fe(室温下在THF中的CO)3(BDA)中,已发现其取代的衍生物(1b,R = MeO; 1c,Cl; 1d,Br; 1e,i-Pr; 1f,BzO; 1g,MeS)与之反应Fe(CO)3(BDA)在相同条件下得到第一个[RN Py S 4]含配体的异双核[NiFe]-氢化酶模型复合物NiFe(RN Py S 4)(CO)3(2b,R = MeO; 2c,Cl; 2d,Br; 2e,i-Pr; 2f,BzO; 2g, MeS)和单核[Fe]-加氢酶模型复合物Fe(RN Py S 4)(CO)(3b,R = MeO; 3c,Cl; 3d,Br; 3e,i-Pr; 3f,BzO; 3g, MeS)。但是,当Ni 2配合物1a–1g与Fe(C