Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ayako Yamashita0
Jaechul Shim0
Emily B. Norton0
Cilien S. Hanna0
Date of Patent
March 2, 2010
0Patent Application Number
113545310
Date Filed
February 15, 2006
0Patent Primary Examiner
Patent abstract
The present invention relates to methods for the preparation of 3,3-dialky 4-chromanones, and particularly to the preparation of 6-fluoro-3,3-dimethyl-2,3-dihydro-4H-chromen-4-one and 3,3-dimethyl-2,3-dihydro-4H-chromen-4-one. In some embodiments, the processes include reaction of a 4-chromanone compound with an alkyl halide in the presence of a metal alkoxide at low temperature.
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