Regioselective synthesis and photooxygenations of furonaphthopyrones starting from 2,7-naphthalenediol

DOI: 10.1016/S0040-4020(97)00845-4

Source and publish data:

Tetrahedron p. 13329 - 13338 (1997)

Update date:2022-09-26

Topics:

Authors:

Tao, Zhi-Fu

Qian, Xuhong

Fan, Mingcai

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Article abstract of DOI:10.1016/S0040-4020(97)00845-4

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.

Full text of DOI:10.1016/S0040-4020(97)00845-4

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Product name:1-methyl-9-[(2'-oxopropan-3'-yl)oxy]naphtho[2,1-b]pyran-3-one

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