Uncatalyzed reaction of phenols and naphthols with methyl cinnamates. A simple synthesis of 4-arylchroman-2-ones and 1-arylbenzo [f] chroman-3-ones

G Speranza, A Di Meo, S Zanzola, G Fontana…

Index: Speranza, Giovanna; Di Meo, Antonella; Zanzola, Simona; Fontana, Gabriele; Manitto, Paolo Synthesis, 1997 , # 8 p. 931 - 936

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Citation Number: 12

Abstract

The 4-arylchroman-2-one system (cf. 1) is of synthetic interest because it is present in a number of natural molecules, such as 4-aryl-3, 4-dihydrocoumarins (neofiavono-ids), 1* 2 complex flavonoids, 3 eg calomelanols B (1 a) and C (1 b), 4 and 1-arylbenzo [f] chroman-3- ones. 5

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