Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1979-04-06
1980-08-19
Helfin, Bernard
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 4502
Patent
active
042184037
ABSTRACT:
Covers a method for preparing a para-alkyl substituted phenyl aldehyde by reacting carbon monoxide and an alkyl mono-substituted benzene in presence of a tantalum, niobium or antimony pentafluoride-hydrogen fluoride catalyst.
REFERENCES:
patent: 1989700 (1935-02-01), Larson
patent: 2485237 (1949-10-01), Gresham et al.
Bailey James L.
Helfin Bernard
Kulason Robert A.
Ries Carl G.
Texaco Development Corporation
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