Process for hydroformylation of n-vinyl-2-pyrrolidinone

Details Process for hydroformylation of n-vinyl-2-pyrrolidinone Process for hydroformylation of n-vinyl-2-pyrrolidinone

1986-06-20

1989-05-16

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07P207263

Patent

active

048311596

ABSTRACT:
A process is disclosed for preparing isomeric aldehydes by contacting N-vinyl-2-pyrrolidinone and synthesis gas in the presence of a rhodium-containing compound with or without additional phosphine ligand and a solvent. The alpha and beta isomeric aldehydes such as 2-N-(2-pyrrolionyl)propanaldehyde and 3-N-(2-pyrrolidonyl)propanaldehyde can be converted to 1,2- or 1,3-diaminopropanes via reductive amination or to alcohol amines via reduction.

REFERENCES:
patent: 3636034 (1972-01-01), Ohsumi et al.
J. Falbe, "New Syntheses with Carbon Monoxide", Springer-Verlag, Berlin (1980), pp. 128 & 129.
Cotton et al., "Advanced Inorganic Chemistry", 3rd Ed., Interscience (1972), pp. 790-793.
Stille, J. Org. Chem. (1980) 45, pp. 2145-2151.

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