Process for hydroxyarylaldehydes

Details Process for hydroxyarylaldehydes Process for hydroxyarylaldehydes

Filed on

1985-08-07

Date issued

1987-10-13

Examiner

Lone, Werren B.

Patent Class

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

SubClass

Organic compounds

SubSubClass

Oxygen containing

Other Related Categories

C07C 4545

Type

Patent

Status

active

Patent number

047000104

Description

ABSTRACT:
A catalytic process for the formylation, in the 2-position, of optionally substituted phenols, particularly 4-nonylphenol, using a catalyst comprising a tin phenoxide and a tertiary amine.

REFERENCES:
patent: 4231967 (1980-11-01), Matsuda et al.
Tin (IV) Ethoxide-Catalysed Hydride Transfer from Alcohols to Carbonyl Compounds, by G. Casiraghi et al., J. C. S. Perkin II, pp. 407-411, 1980.
Selective Reactions Between Phenols and Formaldehyde, A Novel Route to Salicylaldehydes, by G. Casiraghi, et al., J. C. S. Perkin I, pp. 1862-1865, 1980.

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