Attempts toward synthesis of 2,6-Bis(2-furyl)-4-phenylpyrylium Tetrafluoroborate
An improved synthesis of the 1,5-diketone 3 is reported.Ring closure of 3 with triphenylcarbenium tetrafluoroborate leads only to a mixture of the pyrylium salts 4 and 5.
Reichardt, Christian,Milart, Pjotr
p. 401 - 402
(2007/10/02)
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