Synthesis of heterocyclic-fused benzofurans via C-H functionalization of flavones and coumarins.
An efficient method to effect C-O cyclization was developed via the C-H functionalization of chromones and coumarins, affording heterocyclic-fused benzofurans.
Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 305-701, Korea. hongorg@kaist.ac.kr.
Youngtaek
Y
Moon
Yechan
Y
Kim
Hyerim
H
Hong
Sungwoo
S
Hong
D001572:Benzofurans / Q000138:chemical synthesis* / Q000737:chemistry; D003374:Coumarins / Q000737:chemistry*; D003500:Cyclization; D047309:Flavones / Q000737:chemistry*
D001572:Benzofurans; D003374:Coumarins; D047309:Flavones