Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1994-08-31
1995-10-31
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568717, 568722, 568723, 568728, C07C 3916
Patent
active
054631408
ABSTRACT:
A process for the condensation of an aldehyde or ketone starting material with a phenol, unsubstituted in the 4-position, comprises reacting the aldehyde or ketone starting material with the phenol in a reaction mixture in the presence of a soluble or insoluble mercaptosulfonic acid compound under conditions sufficient to bring about formation of a geminal bisphenolic moiety at each aldehyde or ketone moiety in the starting material. A miscible mercaptosulfonic acid compound is characterized by the formula
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Brewster Steven L.
Tasset Emmett L.
Walters Marlin E.
Wehmeyer Richard M.
Lone Werren B.
The Dow Chemical Company
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