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New Benzo[b]xanthones from Diels—Alder Reactions of Chromone-3-carboxaldehydes with ortho-Benzoquinodimethanes.

✍ Scribed by Angela Sandulache; Artur M. S. Silva; Jose A. S. Cavaleiro


Publisher
John Wiley and Sons
Year
2003
Weight
117 KB
Volume
34
Category
Article
ISSN
0931-7597

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The first reported cycloaddition reactions of 2-styryl-bromination/dehydrobromination processes. These benzoflavone derivatives were also obtained in one-pot chromones with ortho-benzoquinodimethane afforded 2-[2-(3-aryl-1,2,3,4-tetrahydronaphthyl)]chromones. These cyclo-cycloaddition reactions of 2