Heterogeneous Selective Oxidation of Alkenes to α,β-Unsaturated Ketones over Coordination Polymer MIL-101

The mesoporous metal-organic framework MIL-101 is an efficient heterogeneous catalyst for the selective allylic oxidation of alkenes with tert-butyl hydroperoxide. The selectivity towards alpha,beta-unsaturated ketones reaches 86-93%. The temperature of the catalyst activation strongly affects the ketone yield. MIL-101 is stable to chromium leaching, behaves as a true heterogeneous catalyst, can be easily recovered by filtration, and can be reused several times without loss of the catalytic performance.