Condensation of 2-benzoylbenzoic with phenylacetic acid: A new simple route to pentaphene
A Marsili, M Isola
Index: Marsili,A.; Isola,M. Tetrahedron, 1967 , vol. 23, p. 1037 - 1041
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Citation Number: 3
Abstract
The reaction of 2-benzoylbenzoic acid with phenylacetic acid in the presence of phosphorus pentachloride gives spiro [3-chloroindene-1, 1′-phthalane-3′-one](II) and 9H, 14H-tribenz [aeh] azulene-9, 14-dione (III). The latter compound can be easily converted into pentaphene.
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