Catalytic generation of chlorine dioxide from chlorite using a water-soluble manganese porphyrin

Thomas P. Umile; John Taylor Groves

doi:10.1002/anie.201004482

Catalytic generation of chlorine dioxide from chlorite using a water-soluble manganese porphyrin

Thomas P. Umile, John Taylor Groves

Research output: Contribution to journal › Article › peer-review

48 Scopus citations

Abstract

The cationic, water soluble manganese imidazolium porphyrin [Mn(TDMImP)] efficiently catalyzes the dismutation of chlorite ion (ClO ₂ ^-) to chlorine dioxide. The gaseous product ClO ₂ could be isolated in 60 % yield (500 turnovers at 0.5 turnover s ^-1) and the catalyst was completely recovered. Oxo-transfer from chlorite to the Mn ^III catalyst is proposed to be the rate limiting step. An immobilized form of the catalyst was also active.

Original language	English (US)
Pages (from-to)	695-698
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	50
Issue number	3
DOIs	https://doi.org/10.1002/anie.201004482
State	Published - Jan 17 2011

All Science Journal Classification (ASJC) codes

General Chemistry
Catalysis

Keywords

chlorine dioxide
chlorite dismutase
dioxomanganese
porphyrins
water purification

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10.1002/anie.201004482

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abstract = "The cationic, water soluble manganese imidazolium porphyrin [Mn(TDMImP)] efficiently catalyzes the dismutation of chlorite ion (ClO 2 -) to chlorine dioxide. The gaseous product ClO 2 could be isolated in 60 % yield (500 turnovers at 0.5 turnover s -1) and the catalyst was completely recovered. Oxo-transfer from chlorite to the Mn III catalyst is proposed to be the rate limiting step. An immobilized form of the catalyst was also active.",

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AB - The cationic, water soluble manganese imidazolium porphyrin [Mn(TDMImP)] efficiently catalyzes the dismutation of chlorite ion (ClO 2 -) to chlorine dioxide. The gaseous product ClO 2 could be isolated in 60 % yield (500 turnovers at 0.5 turnover s -1) and the catalyst was completely recovered. Oxo-transfer from chlorite to the Mn III catalyst is proposed to be the rate limiting step. An immobilized form of the catalyst was also active.

KW - chlorine dioxide

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KW - dioxomanganese

KW - porphyrins

KW - water purification

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Catalytic generation of chlorine dioxide from chlorite using a water-soluble manganese porphyrin

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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