Abstract
Reaction of triphenylmethanol with acetylacetone in 1,2-dichloroethane medium in the presence of Cu(OTf)2 or Al(OTf)3 catalysts resulted in 3-(9-phenyl-9H-fluorene-9-yl)-pentanedione- 2,4 with 25% yield. 3-(9-Phenyl-9H-fluorene-9-yl)-pentanedione-2,4 was also obtained by an alternative synthesis between 9-phenylfluorene-9-ol and acetylacetone in the presence of Al(OTf)3 catalyst with practically quantitative yield.
Keywords: 9-Phenylfloren-9-ol, acetylacetone, crystal structure, Lewis acid, triphenylmethanol.
Graphical Abstract
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