Tetrahedron Letters p. 6267 - 6270 (1989)
Update date:2022-08-11
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Karaman
Fry
Some aromatic α-diketones were directly synthesized in high yields from ultrasound-promoted reactions of the corresponding acids with excess lithium in dry THF. Use of a catalytic amount of 4,4'-di-t-butylphenyl (DBB) enhanced the coupling reaction rate.
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