Tetrahedron p. 13329 - 13338 (1997)
Update date:2022-09-26
Topics:
Tao, Zhi-Fu
Qian, Xuhong
Fan, Mingcai
Three angular furonaphthopyrones 4, 9, 12 were regioselectively synthesized starting from 2,7-naphthalenediol in three steps, respectively. An easy separation of Pechmann condensation products 1 and 2 of 2, 7-naphthalenediol with ethyl acetoacetate was described. The photooxygenations of 4, 12 were investigated and a hydroperoxide 18 was isolated and fully characterized.
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