Process for the manufacture of ethers of hydroxy-pivalaldehyde

Details Process for the manufacture of ethers of hydroxy-pivalaldehyde Process for the manufacture of ethers of hydroxy-pivalaldehyde

1980-05-29

1982-04-13

Helfin, Bernard

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

Organic compounds

Oxygen containing

568443, 568450, 2603407, C07C 4560, C07C 4719

Patent

active

043249213

ABSTRACT:
Ethers of the hydroxypivalaldehyde RCH.sub.2 OCH.sub.2 C(CH.sub.3).sub.2 CHO are prepared by a catalytic isomerization of 5,5-dimethyl-1,3-dioxans at 250.degree. to 500.degree. C. The catalyst is obtained by way of calcination from silicon dioxide, at least one element of the third main group or subgroup in the form of its oxide or hydroxide and at least one alkali metal oxide or hydroxide.

REFERENCES:
patent: 3676500 (1972-07-01), Montell et al.
Rondestvedt et al., JACS, vol. 82 (1960), pp. 6419-6420.
Rondestvedt et al., JACS, vol. 84 (1962), pp. 3307-3319.

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