4.1 Article

Efficient oxidation of cumene to cumene hydroperoxide with ambient O2 catalyzed by metalloporphyrins

期刊

JOURNAL OF PORPHYRINS AND PHTHALOCYANINES
卷 25, 期 4, 页码 314-322

出版社

WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S1088424621500310

关键词

cumene; cumene hydroperoxide; oxidation; metalloporphyrins; oxygen

资金

  1. National Natural Science Foundation of China [21776259, 21878275, 21706233]

向作者/读者索取更多资源

A novel and efficient protocol for the oxidation of cumene to cumene hydroperoxide was presented using metalloporphyrins and ambient O-2, achieving high selectivity and conversion rates. The protocol's main advantages include simple catalysts, solvent-free conditions, and high performance in stabilizing cumene hydroperoxide.
A novel and efficient protocol for oxidation of cumene to cumene hydroperoxide was presented using ambient O-2 catalyzed by very simple metalloporphyrins. The selectivity toward cumene hydroperoxide reached 98.3% in the cumene conversion of 28.1% with T(4-COOH)PPCu as a catalyst at 80 degrees C. The origin of the higher performance of T(4-COOH)PPCu was mainly ascribed to the low catalytic performance of copper(II) in the cumene hydroperoxide decomposition, and the ability of T(4-COOH)PP in stabilizing cumene hydroperoxide through hydrogen-bond interactions between them. Compared with current industrial processes and academic research in oxidation of cumene to cumene hydroperoxide with O-2, the main superiorities of this protocol were the high selectivity, high conversion, simple catalysts, solvent-free, additive-free and mild conditions which made this work an appealing reference for the industrial oxidation of cumene to cumene hydroperoxide, as well as the oxidative functionalization of other C-H bonds in various hydrocarbons.

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