Process for the preparation of monoketals of...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C549S333000, C548S441000

Reexamination Certificate

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07049448

ABSTRACT:
There is provided a process for preparation of a monoketal compound of the structurethat includes reacting 1,4-cyclohexanedione of the structurewith a diol of the structurein a halogenated organic solvent in the presence of an acid catalyst, wherein X is a substituted or unsubstituted ethylene or propylene. Various embodiments and variants are provided.

REFERENCES:
patent: 2827602 (2003-01-01), None
Courtot, Bull Soc. Chim. Fr., p. 1493-1494 (1962).

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