Bulletin of the Chemical Society of Japan p. 1291 - 1294 (1992)
Update date:2022-07-30
Topics:
Sakakibara, Makoto
Toru, Takeshi
Imai, Takahiro
Watanabe, Yoshihiko
Ueno, Yoshio
Selenation of 2-bromonaphthoquinone with an areneselenolate ion generated from bis(2-methoxycarbonylphenyl) diselenide, chlorodiphenylphosphine, and LiOH afforded 2-<(2-methoxycarbonylphenyl)seleno>-1,4-naphthoquinone from which 12H-benzonaphtho<2,3-e>selenin-6,11,12-trione was synthesized. 1,4-Dimethoxy-2,3-dimethyl-10H-dibenzoselenin-10-one was prepared starting from 6-bromo-2,3-dimethylbenzoquinone through the selenation and cyclization steps.
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