Preparation of 2,2'-biaryls in the presence of molybdenum(v) chloride
AssigneeEvonik Degussa GmbH
InventorsKatrin Marie Dyballa, Robert Franke, Dirk Fridag, Michael Mirion, Thomas Quell, Siegfried R. Waldvogel
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Abstract
The invention is concerned with a process for preparing 2,2′-biaryls, especially of 2,2′-biphenols in which a reaction mixture comprising a first aryl, a second aryl and selenium dioxide is heated, the first aryl being reacted with the second aryl to give the corresponding 2,2′-biaryl, wherein the reaction mixture additionally comprises molybdenum(V) chloride.
Claims15
A process for preparing 2,2′-biaryls, in which a reaction mixture comprising a first aryl, a second aryl and selenium dioxide is heated, the first aryl being reacted with the second aryl to give the corresponding 2,2′-biaryl, wherein the reaction mixture additionally comprises molybdenum(V) chloride.
A process for preparing 2,2′-biaryls, wherein a 2,2′-selenobiaryl ether is heated in the presence of molybdenum(V) chloride and converted to a 2,2′-biaryl.
Dependencies are inferred from the claim text.