Mononuclear manganese(III) complexes of bidentate NO donor Schiff base ligands: synthesis, structural characterization, magnetic and catecholase studies

被引:20
作者
Dutta, Arpan [1 ]
Biswas, Surajit [1 ]
Dolai, Malay [1 ]
Shaw, Bikash Kumar [2 ]
Mondal, Abhishake [3 ]
Saha, Shyamal Kumar [2 ]
Ali, Mahammad [1 ]
机构
[1] Jadavpur Univ, Dept Chem, Kolkata 700032, India
[2] Indian Assoc Cultivat Sci, Dept Mat Sci, Kolkata 700032, India
[3] Karlsruher Inst Technol, Inst Anorgan Chem, D-76131 Karlsruhe, Germany
关键词
HIGH-FIELD EPR; LACTOBACILLUS-PLANTARUM; CATALYTIC-OXIDATION; CRYSTAL-STRUCTURE; MIXED-VALENCE; SPECTROSCOPY; DINUCLEAR; SERIES; 3,5-DI-TERT-BUTYLCATECHOL; CATALASE;
D O I
10.1039/c5ra00239g
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We have synthesized four mononuclear manganese(III) complexes (1-4) of four closely related bidentate NO donor Schiff-base ligands, out of which three (2-4) were structurally characterized. Crystal structure determination reveals that all these complexes are in octahedral geometries. Magnetic studies have been carried out on complexes 2, 3 and 4 in the temperature range 2-300 K under a magnetic field of 0.1 T which yielded negative ZFS parameters of -2.96, -3.51 and -3.72 cm(-1) respectively. The catecholase activities of complexes 1-4 have been investigated following the oxidation of 3,5-di-tert-butylcatechol (3,5-DTBC) to 3,5-di-tert-butylbenzoquinone (3,5-DTBQ) with molecular oxygen in DCM at 25 degrees C, which were found to follow the Michalis-Menton type relation giving the highest TON (K-cat) for the so far reported Mn(III) complexes.
引用
收藏
页码:23855 / 23864
页数:10
相关论文
共 47 条
[1]   CHARACTERIZATION OF A MANGANESE-CONTAINING CATALASE FROM THE OBLIGATE THERMOPHILE THERMOLEOPHILUM-ALBUM [J].
ALLGOOD, GS ;
PERRY, JJ .
JOURNAL OF BACTERIOLOGY, 1986, 168 (02) :563-567
[2]   SIR97:: a new tool for crystal structure determination and refinement [J].
Altomare, A ;
Burla, MC ;
Camalli, M ;
Cascarano, GL ;
Giacovazzo, C ;
Guagliardi, A ;
Moliterni, AGG ;
Polidori, G ;
Spagna, R .
JOURNAL OF APPLIED CRYSTALLOGRAPHY, 1999, 32 :115-119
[3]  
Ash DE, 2000, MET IONS BIOL SYST, V37, P407
[4]  
AULING G, 1994, MET IONS BIOL SYST, V30, P131
[5]   Mono- and dinuclear manganese(III) complexes showing efficient catechol oxidase activity: syntheses, characterization and spectroscopic studies [J].
Banu, Kazi Sabnam ;
Chattopadhyay, Tanmay ;
Banerjee, Arpita ;
Mukherjee, Madhuparna ;
Bhattacharya, Santanu ;
Patra, Goutam Kumar ;
Zangrando, Ennio ;
Das, Debasis .
DALTON TRANSACTIONS, 2009, (40) :8755-8764
[6]  
Barynin V.V., 1997, J INORG BIOCHEM, V67, P196, DOI [DOI 10.1128/AEM.70.7.3839-3844, 10.1016/S0162]
[7]  
BARYNIN VV, 1986, DOKL AKAD NAUK SSSR+, V288, P877
[8]   PSEUDOCATALASE FROM LACTOBACILLUS-PLANTARUM - EVIDENCE FOR A HOMOPENTAMERIC STRUCTURE CONTAINING 2 ATOMS OF MANGANESE PER SUBUNIT [J].
BEYER, WF ;
FRIDOVICH, I .
BIOCHEMISTRY, 1985, 24 (23) :6460-6467
[9]   Chemistry and reactivity of dinuclear manganese oxamate complexes:: Aerobic catechol oxidation catalyzed by high-valent bis(oxo)-bridged dimanganese(IV) complexes with a homologous series of binucleating 4,5-disubstituted-o-phenylenedioxamate ligands [J].
Blay, G ;
Fernández, I ;
Pedro, JR ;
Ruiz-García, R ;
Temporal-Sánchez, T ;
Pardo, E ;
Lloret, F ;
Muñoz, MC .
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2006, 250 (1-2) :20-26
[10]   Syntheses, structures, catecholase activity, spectroscopy and electrochemistry of a series of manganese(III) complexes: Role of auxiliary anionic ligand on catecholase activity [J].
Chakraborty, Priyanka ;
Majumder, Samit ;
Jana, Arpita ;
Mohanta, Sasankasekhar .
INORGANICA CHIMICA ACTA, 2014, 410 :65-75