An Efficient Oxidation of 2,6-di-tert-Butylphenol to 3,3',5,5'-tetra-tert- Butyl-4,4'-Diphenoquinone Catalyzed by Lewis Acid System in the Presence of Molecular Oxygen

Title:An Efficient Oxidation of 2,6-di-tert-Butylphenol to 3,3',5,5'-tetra-tert- Butyl-4,4'-Diphenoquinone Catalyzed by Lewis Acid System in the Presence of Molecular Oxygen

Volume: 9 Issue: 8

Author(s): Hong-Ting Sheng, Hui Wang, Yan Feng, Jian-Hua Shi, Yong-Hua Jiao and Man-Zhou Zhu

Affiliation:

Keywords: 2, 6-di-tert-butylphenol, catalysis, diphenoquinone, Lewis Acid, mechanism, oxidation, oxidation kinetics, “green” oxidant, C-C coupling reaction, sodium.

Abstract: An efficient and simple method for the preparation of 3,3',5,5'-tetra-tert-butyl-4,4'-diphenoquinone (TBDPQ) is reported using Lewis Acid as an effective catalyst in the presence of molecular oxygen from 2,6-di-tert-butylphenol (DBP). The present methodology offers several advantages, such as excellent yields, accessible and inexpensive catalysts, easy work-up and green conditions. The oxidation reaction was found to proceed in two steps and the oxidation kinetics for FeCl3 system was examined in detail.

Cite this article as:

Sheng Hong-Ting, Wang Hui, Feng Yan, Shi Jian-Hua, Jiao Yong-Hua and Zhu Man-Zhou, An Efficient Oxidation of 2,6-di-tert-Butylphenol to 3,3',5,5'-tetra-tert- Butyl-4,4'-Diphenoquinone Catalyzed by Lewis Acid System in the Presence of Molecular Oxygen, Letters in Organic Chemistry 2012; 9 (8) . https://dx.doi.org/10.2174/157017812802850186