Process for the preparation of aromatic polyhydroxy compounds

Details Process for the preparation of aromatic polyhydroxy compounds Process for the preparation of aromatic polyhydroxy compounds

1993-10-07

1994-11-15

Lone, Werren B.

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

Organic compounds

Oxygen containing

568741, 568763, 568768, 568803, C07C 3700

Patent

active

053649834

ABSTRACT:
The present invention relates to a process for the preparation of aromatic polyhydroxy compounds, by reacting an aromatic hydroxyaldehyde with hydrogen peroxide, with or without the addition of a base, in the presence of a nitrile R--CN, in which R is an alkyl radical having 1 to 4 carbon atoms or a phenyl radical, which is unsubstituted or substituted by one or more alkyl groups.

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patent: 4435601 (1984-03-01), Formaneck et al.
patent: 4533766 (1985-08-01), Drauz et al.
patent: 5120884 (1992-06-01), Thomas et al.
Muller, E., Houben-Weyl, "Methoden Der Organischen Chemie": vol. VI/lc, Stuttgart, Georg Thieme Verlag, 1976, pp. 286-308.
March, J., Advanced Organic Chemistry, N.Y., John Wiley & Sons, 1983, p. 496.
Nikaido, M., et al, J. Org. Chem. 49:4740-4741 (1984).
Syper, L., Synthesis:167-172 (Mar., 1989).
K. F. Wedemeyer "Methoden Der Organischen Chemie" (Houben-Weyl) Band VI/1C, 1976, pp. 286-308.

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