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Abstract <p>A green method of the synthesis of 1,2-benzisoxazole, isoxazolo- and isothiazolo-quinoline from 2-hydroxyaryl ketoximes in the presence of [BMIM(SO<sub>2</sub>Cl)][OTs] ionic liquid has been demonstrated under microwave irradiation. The noticeable advantages of this method over other reported methods are less reaction time, simple work-up procedure and excellent yields (85–96%). The method also highlights the reuse and recycle of ionic liquid employed (up to four cycles) with negligible loss of yield.</p>

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Microwave-Assisted Facile Synthesis of 1,2-Benzisoxazoles, Isoxazoloquinolines, and Isothiazoloquinolines in [BMIM(SO2Cl)][OTs] Ionic Liquid as a Recyclable System

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • I. Jamadar,
  • R. B. Manami,
  • S. Kurahatti,
  • A. Anchi,
  • V. Jadhav,
  • R. G. Kalkhambkar,
  • M. Kurkuri,
  • M. S. Refat,
  • A. M. Alsuhaibani

摘要

Abstract

A green method of the synthesis of 1,2-benzisoxazole, isoxazolo- and isothiazolo-quinoline from 2-hydroxyaryl ketoximes in the presence of [BMIM(SO2Cl)][OTs] ionic liquid has been demonstrated under microwave irradiation. The noticeable advantages of this method over other reported methods are less reaction time, simple work-up procedure and excellent yields (85–96%). The method also highlights the reuse and recycle of ionic liquid employed (up to four cycles) with negligible loss of yield.