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Improved Synthesis of 1,4-Phenanthrenequinones from Diels-Alder Cycloadditions of 2-(p-Tolylsulfinyl)-1,4-benzoquinone

✍ Scribed by M.Carmen Carreño*; Jesús Mahugo; Antonio Urbano

Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
589 KB
Volume
38
Category
Article
ISSN
0040-4039

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✦ Synopsis

A wide range of substituted 1,4-phenanthrenequinones 5a-g and benz[c]-and benz[a]-l,4pbenantbrenequinones (5h)and (5i) were syntbezisedin one step tbroughDieIs-Aldercycloadditions of 2-(p-tolylsulfinyl)-1,4-benzoquinone2 and vinylaromaticderivatives la-i under thermal and higb pressureconditionsin moderateto goodyields(33-80%).0 1997Elsevier Science Ltd.

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