Claims
- 1. A process for the production of 5-bromo-2-fluorodiphenyl ether, comprising oxidizing a boronic acid of formula III ##STR7## to 5-bromo-2-fluorophenol, forming the alkali metal phenoxide of said 5-bromo-2-fluorophenol and reacting the alkali metal phenoxide with a halobenzene under Ullmann conditions.
Priority Claims (2)
Number |
Date |
Country |
Kind |
8606292 |
Mar 1986 |
GBX |
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8609590 |
Apr 1986 |
GBX |
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CROSS-REFERENCE
This is a division of Ser. No. 428,193 filed Oct. 27, 1989, now U.S. Pat. No. 5,068,403 which is a continuation of Ser. No. 025,230, filed Mar. 12, 1987, now abandoned.
US Referenced Citations (15)
Foreign Referenced Citations (2)
Number |
Date |
Country |
1147725 |
Jun 1966 |
GBX |
8504651 |
Oct 1985 |
WOX |
Non-Patent Literature Citations (3)
Entry |
S. Patai, "The Chemistry of the Ether Linkage", paragraph D, pp. 454-455 (1967). |
G. C. Finger et al., "Aromatic Fluorine Compounds. Plant Growth Regulations and Intermediates", J. Am. Chem. Soc. vol. 81, pp. 94-101 (1959). |
Organic Name Reactions, ONR-91. |
Divisions (1)
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Number |
Date |
Country |
Parent |
428193 |
Oct 1989 |
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Continuations (1)
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Number |
Date |
Country |
Parent |
25230 |
Mar 1987 |
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