Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-05-23
2006-05-23
Dentz, Bernard (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C549S333000, C548S441000
Reexamination Certificate
active
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).
Gade Srinivas Reddy
Ireni Babu
Kadaboina Rajasekhar
Reguri Buchi Reddy
Cepeda Milagros A.
Dr. Reddy's Laboratories Inc.
Dr. Reddy's Laboratories Limited
Franks Robert A.
Pergament Edward D.
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