Process for the manufacture of 2,3-dimethylpentanal

Details Process for the manufacture of 2,3-dimethylpentanal Process for the manufacture of 2,3-dimethylpentanal

1978-03-28

1980-05-27

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 4510

Patent

active

042050138

ABSTRACT:
A process for the preparation of 2,3-dimethylpentanal which comprises contacting 3-methyl-2-pentene with carbon monoxide and hydrogen in the presence of a rhodium carbonyl compound as catalyst. Rhodium carbonyl catalysts are those which contain only rhodium and carbon monoxide and in certain cases, also hydrogen. Especially contemplated are non-phosphine containing rhodium carbonyl catalysts.

REFERENCES:
patent: 3081357 (1963-03-01), Alderson
patent: 3636034 (1972-01-01), Ohsumi et al.
patent: 3755393 (1973-08-01), Kniese
Stefani et al., "J.A.C.S.", vol. 95 No. 19, pp.6504-6505 (1973).
Pino et al., "Chemistry & Industry" (Feb. 1963), pp. 294-295, TPI-563.

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