Manganese(II) complexes of tridentate 3N ligands as functional models of phenoxazinone synthase: Impact of ligand steric hindrance on reactivity

Narasimman Palani; Gopalsamy Karuppasamy; Nattamai S. P. Bhuvanesh; Tamilarasan Ajaykamal; Sujing Wang; K. Sundaravel

doi:10.1039/d5nj03127c

January 1, 2026New Journal of Chemistry

Manganese(II) complexes of tridentate 3N ligands as functional models of phenoxazinone synthase: Impact of ligand steric hindrance on reactivity

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Key Points

This research investigates the influence of steric hindrance in tridentate 3N ligands on manganese(II) complex reactivity.
Synthesis of six manganese(II) complexes with various tridentate ligands.
Evaluation of steric properties in relation to reactivity.
Comparison of reaction outcomes to examine ligand effects.
Synthesis of six new manganese(II) complexes is successful.
Differences in ligand sterics significantly affect the reactivity of the complexes.
Observing varied reactivity suggests a link between steric hindrance and enzyme mimicry.

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Implication

New manganese(II) complexes show how ligand steric hindrance affects reactivity, highlighting potential for enzyme models.

Abstract

Six new manganese(II) complexes [Mn(L)Cl2] 1–6 with linear tridentate 3N donor ligands L1–L6 (where, L1 = bis(pyridin-2-ylmethyl)amine (bpma), L2 = N,N-bis(pyridin-2-ylmethyl)cyclopropanamine, L3 = N,N-bis(pyridin-2-ylmethyl)cyclobutanamine, L4 = N,N-bis(pyridin-2-ylmethyl)cyclopentanamine, L5 = N,N-bis(pyridin-2-ylmethyl)cyclohexylamine,...

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Palani et al. (2026) studied this question.

synapsesocial.com/papers/6992b4919b75e639e9b098dc https://doi.org/10.1039/d5nj03127c

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Manganese(II) complexes of tridentate 3N ligands as functional models of phenoxazinone synthase: Impact of ligand steric hindrance on reactivity

Key Points

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Implication

Abstract

Discussion

Cite This Study

Manganese(II) complexes of tridentate 3N ligands as functional models of phenoxazinone synthase: Impact of ligand steric hindrance on reactivity

Key Points

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Implication

Abstract

Discussion

Cite This Study

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