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Waste-Free and Highly Effective Catalytic System for the Oxidation of Cysteine to Cystine
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Waste-Free and Highly Effective Catalytic System for the Oxidation of Cysteine to Cystine
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Journal Article
Waste-Free and Highly Effective Catalytic System for the Oxidation of Cysteine to Cystine
2010
Overview
A new three-component catalytic system, water/ionic liquid/metal phthalocyanine complex, was studied for the oxidition of cysteine to prepare cystine. It was found that the water/ 1-n-hexyl-3-methylimidazolium tetrafluoroborate ([hmim][BF₄])/iron (II) phthalocyanine (FeIIPc) system exhibited an excellent catalytic activity in the oxidition of cysteine. Cystine was obtained with 98% isolated yield in 12 h at the temperature of 80 °C. Further more, the catalytic system can be easily recovered and recycled in the following run without apparent reduction in catalytic activity. Graphical Abstract A novel homogeneous and recyclable catalytic system was applied in the selective oxidation of cysteine to cystine with clean, inexpensive molecular oxygen as oxidant. [graphic removed]
Publisher
Boston : Springer US,Springer US,Springer,Springer Nature B.V
