1,3-cyclobutanedione-bisketals, process for their production and

Details 1,3-cyclobutanedione-bisketals, process for their production and 1,3-cyclobutanedione-bisketals, process for their production and

1993-03-22

1994-11-01

Reamer, James H.

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

Organic compounds

Oxygen containing

568361, C07C 4543

Patent

active

053609379

ABSTRACT:
Bisketals of 1,3-cyclobutanedione with monovalent and divalent alcohols as well as processes for their production from 1,3-cyclobutanedione or from 3-acetoxy-2-cyclobuten-1-one contained in the distillation residues of the diketene production. The bisketals are suitable intermediate products for the production of squaric acid, for the production and/or purification of 1,3-cyclobutanedione, or as a stable form for storage or substitute for this unstable dione.

REFERENCES:
patent: 3129248 (1964-04-01), England
patent: 3402181 (1968-09-01), Erickson et al.
patent: 5087756 (1992-02-01), Jackson et al.
patent: 5118847 (1992-06-01), Jackson et al.
patent: 5118861 (1992-06-01), Jackson et al.
patent: 5130492 (1992-07-01), Scholl et al.
Hagemann et al., "Methoden der Organishchen Chemie, Houben-Weyl", vol. E 14a/1, (1991), p. 280.

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