Reaction of Benzyne with Salicylaldehydes: General Synthesis of Xanthenes, Xanthones, and Xanthols

Okuma, Kentaro; Nojima, Akiko; Matsunaga, Nahoko; Shioji, Kosei

doi:10.1021/ol802597x.s002

Reaction of Benzyne with Salicylaldehydes: General Synthesis of Xanthenes, Xanthones, and Xanthols

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posted on 2009-01-01, 00:00 authored by Kentaro Okuma, Akiko Nojima, Nahoko Matsunaga, Kosei Shioji

The reaction of salicylaldehydes with benzyne prepared from o-trimethylsilyphenyl triflate and CsF gave xanthenes and xanthones. When the reaction was carried out under basic conditions, 9-hydroxyxanthenes (xanthols) were obtained in good yields.

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Xanthene benzyne xanthol triflate CsF General Synthesis xanthene Xanthone Salicylaldehyde xanthone hydroxyxanthene yield Benzyne Xanthol salicylaldehyde

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Reaction of Benzyne with Salicylaldehydes: General Synthesis of Xanthenes, Xanthones, and Xanthols

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