Molecules p. 3236 - 3245 (2008)
Update date:2022-08-11
Topics:
Zhang, Wei
Ma, Hong
Zhou, Lipeng
Sun, Zhiqiang
Du, Zhongtian
Miao, Hong
Xu, Jie
The oxidative dehydrogenation of dihydroarenes catalyzed by 2,3-dichloro-5,6-dicyano-benzoquinone(DDQ) and NaNO2 with dioxygen is reported. The combination of DDQ and NaNO2 showed high efficiency and high selectivity, compared with other benzoquinones and anthraquinones, e.g., >99% conversion of 9,10-dihydroanthracene with 99% selectivity for anthracene can be obtained at 120 °C under 1.3 MPa O2 for 8 h. Excellent results were achieved in the oxidative dehydrogenation of variety of dihydroarenes.
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