Amberlyst-15-catalyzed synthesis of 2-substituted 1,3-benzazoles in water under ultrasound

D. Rambabu, P. Radha Krishna Murthi, Balakrishna Dulla, M. V. Basaveswara Rao, Manojit Pal

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

A clean and general method has been developed for the synthesis of benzothiazole, benzoxazole, and benzimidazoles using Amberlyst-15 as a recyclable catalyst under ultrasound irradiation in water. The methodology is operationally simple, free from the use of hazardous organic solvents, and does not require the use of inert or anhydrous atmosphere. A number of 1,3-benzazole derivatives were prepared in good to excellent yields by using this methodology.

Original languageEnglish
Pages (from-to)3083-3092
Number of pages10
JournalSynthetic Communications
Volume43
Issue number22
DOIs
StatePublished - 17 Nov 2013
Externally publishedYes

Keywords

  • Amberlyst-15
  • benzimidazole
  • benzothiazole
  • benzoxazole

ASJC Scopus subject areas

  • Organic Chemistry

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