Bi(OTf)3-catalyzed tandem reaction of naphthols with β,γ-unsaturated α-ketoesters. Effi cient synthesis of functionalized 4H-chromenes
English
Bi(OTf)3-catalyzed tandem reaction of naphthols with β,γ-unsaturated α-ketoesters. Effi cient synthesis of functionalized 4H-chromenes
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Key words:
- Bismuth triflate
- / 4H-Chromenes
- / Tandem reaction
- / Selective synthesis
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