Process of producing hydroxyalkanal

Details Process of producing hydroxyalkanal Process of producing hydroxyalkanal

1995-11-20

1998-09-22

Geist, Gary

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

Organic compounds

Oxygen containing

568465, 568862, C07C 4561

Patent

active

058115919

ABSTRACT:
An unsaturated aldehyde expressed by Formula (I) below is hydrated with a solution in the presence of a carboxylic-acid-based resin having of a structure expressed by Formula (II) below: ##STR1## where R represents one of a hydrogen atom and a hydrocarbon group having up to five carbons; ##STR2## where R.sub.1 and R.sub.2 respectively represent a hydrogen atom, hydrocarbon group having up to five carbons, or --(--CH.sub.2 --).sub.p1 --X group, p.sub.1, k.sub.1, and m.sub.1 respectively represent an integer from zero to six, n.sub.1 represents an integer from one to six, Y.sub.1 represents --O--, --S--, or --NR.sub.3 --, R.sub.3 represents a hydrogen atom or hydrocarbon group having up to five carbons, and X represents a carboxylic-acid-based resin main body. Using a heat-resistant catalyst as above makest it possible to increase the reaction rate by heating, and produce hydroxyalkanal at high selectivity and yield out of an industrially advantageous high-concentration unsaturated aldehyde solution.

REFERENCES:
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patent: 5015789 (1991-05-01), Arntz et al.
patent: 5093537 (1992-03-01), Unruh et al.
patent: 5171898 (1992-12-01), Arntz et al.
patent: 5276201 (1994-01-01), Haas et al.
patent: 5284979 (1994-02-01), Haas et al.

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