Manufacture of 3,3',5,5'-tetramethyl-2,2'-biphenol

Details Manufacture of 3,3',5,5'-tetramethyl-2,2'-biphenol Manufacture of 3,3',5,5'-tetramethyl-2,2'-biphenol

1999-02-18

2000-06-20

Shippen, Michael L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C07C 3912

Patent

active

060779799

ABSTRACT:
Coupling in aqueous medium of 2,4-dimethylphenol by persulfate anion or hydrogen peroxide in the presence of iron or iron compounds gives good yields of relatively pure 3,3',5,5'-tetramethyl-2,2'-biphenol.

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A.G.M. Barrett et al., Tetrahedron Letters, 34, 2233-2234, 1993.
R.G.R. Bacon et al.,J. Chem. Soc., 1339-1344, 1960.

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