Aldehyde synthesis

Details Aldehyde synthesis Aldehyde synthesis

1984-11-02

1985-12-31

Helfin, Bernard

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

Organic compounds

Oxygen containing

C07C 4536, C07C 47565

Patent

active

045622973

ABSTRACT:
3,5-Dihydrocarbyl-4-hydroxybenzaldehydes are prepared by intimately contacting a 4-(1-alkenyl)-2,5-dihydrocarbylphenol, such as 1,1-dimethyl-2-(3,5-di-t-butyl-4-hydroxyphenyl)ethene, with at least a stoichiometric amount of an oxygen-containing gas at about 50.degree.-25.degree. C. in the presence of an alcohol solvent and a catalytic amount of an alkali or alkaline earth metal hydroxide.

REFERENCES:
patent: 3435061 (1969-03-01), Grasselli et al.
patent: 4009210 (1977-02-01), Cahoy
Patai, Chemistry of the Carbonyl Group, (1966), 125-127 & 170.
Miller et al., Jour. Amer. Chem. Soc., vol. 78, (1956), 1017-1034.

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