SYNTHESIS OF BENZO[<i>f</i>]COUMARINS FROM 2-TRIFLUOROACETYL-1<i>H</i>-BENZO[<i>f</i>]CHROMENES AND 2-NAPHTHOLS

Authors

  • Виталий А. Осянин Samara State Technical University
  • Юлия В. Попова
  • Дмитрий В. Осипов
  • Ирина Александровна Семёнова
  • Юрий Н. Климочкин

DOI:

https://doi.org/10.1007/3479

Keywords:

3H-benzo[f]chromen-3-ones, benzo[f]coumarins, 2-naphthols, 2-trifluoroacetyl-1H-benzo[f]chromenes, cascade reactions, haloform reaction, Michael reaction

Abstract

A series of 3H-benzo[f]chromen-3-ones containing the (2-hydroxy-1-naphthyl)methyl or 2-hydroxybenzyl substituent in position 2 was prepared by the reaction of 2-trifluoroacetyl-1H-benzo[f]chromenes with 2-naphthols in the presence of DBU. The reaction comprises 1,4-addition and intramolecular haloform type reaction followed by opening of the dihydropyran ring.

Authors: Vitaly A. Osyanin*, Dmitry V. Osipov, Yulia V. Popova,
Irina A. Semenova, Yuri N. Klimochkin

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Published

2016-12-30

Issue

Vol. 52 No. 12 (2016)

Section

Original Papers