Chemistry Letters p. 1675 - 1678 (1985)
Update date:2022-07-29
Topics:
Maruyama, Kazuhiro
Iwamoto, Hidetoshi
Soga, Osamu
Takuwa, Akio
Osuka, Atsuhiro
A number of 3-alkoxy-5-methyl-2-(α-methylcinnamoyl)-1,4-benzoquinones have been prepared by the reaction of 5-methyl-2-(α-methylcinnamoyl)-1,4-benzoquinone with alcohols.Irradiation of 3-methoxy-, 3-ethoxy-, and 3-isopropoxy-5-methyl-2-(α-methylcinnamoyl)-1,4-benzoquinones in solution gave 5H-pyrano<4,3,2-de><1,3>benzodioxins.
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