Citation:
Xiao Ping NIE, Xiu Lin YE. Lactonization of 5-Phenylfuran-4-arylcarbinol-3-carboxylic Acids under the Catalysis of Boron Trifluoridc Etherate[J]. Chinese Chemical Letters,
;1999, 10(2): 103-104.
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5-Phenyl-4-aroylfuran-3-carboxylic acids were reduced in aqueous alkaline solutions of NaBH4 to afford hydroxy acids in excellent yields. Under the catalysis of boron trifluoride etherate, the hydroxy acids were converted to lactones smoothly.
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Keywords:
- Lactonization,
- boron trifluoride etherate,
- hydroxy acid
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