Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1997-04-25
1999-02-23
Shippen, Michael L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568717, 568727, C07C 3912
Patent
active
058746455
ABSTRACT:
A process which includes the step of heating a compound of Formula (I): ##STR1## wherein R.sup.1 is a hydroxyphenyl group or a group of Formula (II): ##STR2## and R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are independently in each occurrence H or a C.sub.1-10 alkyl group; to a temperature in the range of from 100.degree. C. to 400.degree. C. under reaction conditions sufficient to form one or more 4,4'-dihydroxy-alpha-substituted stilbenes.
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Zaheer et al., "Reactions of .alpha.-Halogeno-ketones with Aromatic Compounds. Part I. Reactions of Chloroacetone and 3-Chlorobutanone with Phenol and its Ethers," Journal of Chemical Society, pp. 3360-3362 (1954).
Carr David A.
Chamberlin Thomas A.
Haag Anthony P.
Hefner, Jr. Robert E.
Shippen Michael L.
The Dow Chemical Company
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