High phenoxazinone synthase activity of two mononuclear <i>cis</i>-dichloro cobalt(<scp>ii</scp>) complexes with a rigid pyridyl scaffold
作者:Arabinda Muley、Kalai Selvan Karumban、Sadananda Kumbhakar、Bishnubasu Giri、Somnath Maji
DOI:10.1039/d1nj03992j
日期:——
and Co(L1)2Cl2:[2] with polypyridyl ligands (where bpy = 2,2′-bipyridine, L1 = 2,2′-(1-methyl-1H-1,2,4-triazole-3,5-diyl)dipyridine) and thoroughly characterized them by different spectroscopic and analytical techniques such as FT-IR, 1H NMR, UV-vis spectroscopy and ESI mass spectra. The molecular structures of [1] and [2] are elucidated by single-crystal X-ray diffraction studies. Spectral properties
吩恶嗪酮合酶 (PHS) 是过去二十年研究的一种五核铜酶,虽然锰和铜配合物都得到了广泛的探索,但关于钴单核部分的报道很少。在这方面,我们已经成功地合成了两种带有多吡啶配体的顺式二氯钴( II )单核配合物Co(bpy) 2 Cl 2 :[ 1 ] 和Co( L 1 ) 2 Cl 2 :[ 2 ](其中bpy = 2, 2'-联吡啶,L 1 = 2,2'-(1-methyl-1 H-1,2,4-三唑-3,5-二基)二吡啶)并通过不同的光谱和分析技术(如 FT-IR、1 H NMR、UV-vis 光谱和 ESI 质谱)对其进行彻底表征。[ 1 ]和[ 2 ]的分子结构通过单晶X射线衍射研究阐明。检查了这两种配合物的光谱特性和氧化还原行为。该复合物在环境条件下显示出吩恶嗪酮合酶活性,对获得的光谱数据的彻底检查表明两者都具有出色的反应性。评估了这两种复合物的动力学参数,这两种复合物的周转数(k cat值)分别为