Solvent-free synthesis of 1, 1'-bi-2-naphthanol by ball milling

Mei Hong Jin, Guo Wei Song, Liang Wang, Zhen Jiang Li

Research output: Contribution to journalArticlepeer-review

Abstract

1, 1'-Bi-2-naphthanol is prepared with yield of 91% by the coupling of β-naphthol under solvent-free condition in ball mill using CuCl2·2H2O as an oxidant. The optimum conditions are given as follows: 1:12 of the ratio of CuCl2·2H2O and β-naphthol by molar and 350 r/min of the rotational speed of the ball mill for 2 hours. The effect of other oxidants of Cu(II)/Fe(III) on the coupling of β-naphthol is investigated as well. The chemical structure of the product is characterized by IR and 1H-NMR.

Original languageEnglish
Pages (from-to)35-37
Number of pages3
JournalXiandai Huagong/Modern Chemical Industry
Volume31
Issue number6
StatePublished - Jun 2011

Keywords

  • 1, 1'-bi-2-naphthanol
  • Ball mill
  • Mechanochemistry
  • Oxidative coupling
  • Solvent-free

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