New Synthesis of 2,3-Diarylacridin-9(10H)-ones and (E)-2-Phenyl-4-styrylfuro[3,2-c]quinolines

[摘要]：A new synthesis of 2,3-diarylacridin-9(10H)-ones and (E)-2-phenyl-4-styrylfuro[3,2-c]quinolines is described. This was accomplished by the Heck reaction of (E)-3-iodo-2-styrylquinolin-4(1H)-ones with styrene, leading to (E, E)-2,3-distyrylquinolin-4(1H)-ones, which when heated at high temperatures, cyclise in two different ways. Electrocyclisation and further in situ oxidation leads to 2,3-diarylacridin-9(10H)-ones and tautomerisation, cyclisation by nucleophilic addition and further in situ oxidation produces (E)2-phenyl-4-styrylfuro[3,2-c]quinolines.

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