Process for synthesis of acrylic acid precursors via hydroformyl

Details Process for synthesis of acrylic acid precursors via hydroformyl Process for synthesis of acrylic acid precursors via hydroformyl

1983-11-07

1985-08-06

Lone, Werren B.

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

Organic compounds

Oxygen containing

568909, C07C 4550

Patent

active

045337560

ABSTRACT:
A process is disclosed for the preparation of acrylic acid precursors by a hydroformylation process which comprises reacting a vinyl ether with carbon monoxide and hydrogen in the presence of a catalyst comprising a rhodium carbonyl compound and a phosphine ligand at a mild temperature and pressure until there is substantial formation of the intermediate 2- and 3-ethoxypropanals, followed by oxidation of said aldehydes and pyrolysis to said acrylic acid.

REFERENCES:
patent: 3917661 (1975-11-01), Pruett et al.
patent: 4064145 (1977-12-01), Taylor
patent: 4229381 (1980-10-01), Ogata et al.
patent: 4262142 (1981-04-01), Sherman et al.
patent: 4302394 (1981-11-01), Dennis
patent: 4383125 (1983-05-01), Harris et al.
patent: 4414420 (1983-11-01), Harris et al.

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