Design, synthesis, structural, spectral, redox properties and phenoxazinone synthase activity of tripodal pentacoordinate Mn(II) complexes with impressive turnover numbers

2021 ◽  
Author(s):  
Sadananda Kumbhakar ◽  
Bishnubasu Giri ◽  
Arabinda Muley ◽  
Kalai Selvan Karumban ◽  
Somnath Maji
Keyword(s):  
Redox Properties ◽  
Catechol Oxidase ◽  
Design Synthesis ◽  
Phenoxazinone Synthase

Catechol oxidase (CO) and phenoxazinone synthase (PHS) are two enzymes of immense significance for their capability to oxidize catechols and o-aminophenols to o-quinones and phenoxazinones respectively. In this connection two...

Importance of C–H⋯π interactions in stabilizing the syn/anti arrangement of pendant alkoxy side arms in two manganese(iv) Schiff base complexes: exploration of catechol oxidase and phenoxazinone synthase like activities

2017 ◽  
Vol 41 (16) ◽  
pp. 8053-8065 ◽  
Author(s):  
Nandita Sarkar ◽  
Klaus Harms ◽  
Antonio Frontera ◽  
Shouvik Chattopadhyay
Keyword(s):  
Schiff Base ◽  
Schiff Base Complexes ◽  
Catechol Oxidase ◽  
Π Interactions ◽  
Phenoxazinone Synthase

Two manganese(iv) complexes have been prepared and characterized. Both complexes exhibit catechol oxidase and phenoxazinone synthase like activities.

Synthesis and spectroscopic characterization of ternary copper(ii) complexes containing nitrogen and oxygen donors as functional mimics of catechol oxidase and phenoxazinone synthase

2020 ◽  
Vol 44 (16) ◽  
pp. 6331-6345 ◽  
Author(s):  
Abd El-Motaleb M. Ramadan ◽  
Shaban Y. Shaban ◽  
Mohamed M. Ibrahim ◽  
Adel A.-H. Abdel-Rahman ◽  
Shehab A. Sallam ◽  
...  
Keyword(s):  
Ethylenediaminetetraacetic Acid ◽  
Spectroscopic Characterization ◽  
Mixed Ligand ◽  
Catechol Oxidase ◽  
Ligand System ◽  
Phenoxazinone Synthase ◽  
Oxygen Donors

Two ternary copper(ii) complexes 1 [(Cu2Me4en)4(EDTA)] and 2 [(CuMe4en)2(MIDA)] containing the mixed ligand system of 1,1′,4,4′-tetramethylethylenediamine (Me4en) (L) and N-methyliminodiacetic (MIDAH2) (L′) or ethylenediaminetetraacetic acid (EDTAH4) (L′) were synthesized.

Design, synthesis, characterization and catechol oxidase activity of novel class of multi-tripodal pyrazole and triazole-based derivatives

2019 ◽  
Vol 46 (2) ◽  
pp. 1453-1467
Author(s):  
Abdelkhalek Zerrouki ◽  
Farid Abrigach ◽  
Mustapha Taleb ◽  
Sghir El Kadiri
Keyword(s):  
Oxidase Activity ◽  
Catechol Oxidase ◽  
Design Synthesis
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