Process for preparing 2,2′-biphenols using selenium dioxide,申请号US201514719900-传众专利搜索

发明名称	Process for preparing 2,2′-biphenols using selenium dioxide
摘要	A process for preparing a 2,2′-biphenol, proceeds by a) adding a first phenol to a reaction mixture, b) adding a second phenol to the reaction mixture, c) adding selenium dioxide to the reaction mixture, d) adding an acid having a pKa in the range from 0.0 to 5.0 to the reaction mixture, and e) heating the reaction mixture such that the first phenol and the second phenol are converted to said 2,2′-biphenol.
申请公布号	US9517986(B2)	申请公布日期	2016.12.13
申请号	US201514719900	申请日期	2015.05.22
申请人	Evonik Degussa GmbH	发明人	Dyballa Katrin Marie;Franke Robert;Fridag Dirk;Waldvogel Siegfried R.;Quell Thomas;Mirion Michael
分类号	C07C37/11	主分类号	C07C37/11
代理机构	Oblon, McClelland, Maier & Neustadt, L.L.P.	代理人	Oblon, McClelland, Maier & Neustadt, L.L.P.
主权项	1. A process for preparing a 2,2′-biphenol, comprising: a) adding a first phenol to a reaction mixture, b) adding a second phenol to the reaction mixture, c) adding selenium dioxide to the reaction mixture, d) adding an acid having a pKa in the range from 0.0 to 5.0 to the reaction mixture, and e) heating the reaction mixture such that the first phenol and the second phenol are converted to said 2,2′-biphenol.
地址	Essen DE