Journal
CATALYSTS
Volume 10, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/catal10080920
Keywords
rhodium catalysis; xanthene; cycloaddition; triazole; fluorophore
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Funding
- National Natural Science Foundation of China [21974078, 21672021, 21572018]
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An efficient synthetic method of tetracyclic 3,4-fused indoles and dihydroindoles via rhodium-catalyzed (3+2) cycloaddition ofN-tosyl-4-(2-phenoxyphenyl)-1,2,3-triazole was described. The aromatized xanthene derivatives can be achieved in a one-pot synthesis starting from 1-ethynyl-2-phenoxybenzene. The xanthene-based fused heterocycles were considered as the valuable fluorophore.
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