Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1982-10-12
1987-01-20
Helfin, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568315, 502171, C07C 47565, C07C 4545
Patent
active
046380965
ABSTRACT:
A process is disclosed for preparing hydroxyarylaldehydes wherein a corresponding phenolic compound is reacted with formaldehyde, in the presence of a titanium or zirconium containing catalyst, optionally in the presence of a catalyst promoter. Among other uses, the aldehydes are particularly useful as intermediates in the preparation of the corresponding oximes, which find utility as metal extractants.
REFERENCES:
patent: 4085146 (1978-04-01), Beswick
patent: 4151201 (1979-04-01), Casnati et al.
patent: 4324922 (1982-04-01), Smith
Helfin Bernard
Henkel Corporation
Span Patrick J.
Szoke Ernest G.
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