4.3 Article

β-Cyclodextrin: An Efficient Supramolecular Catalyst for the Synthesis of Pyranoquinolines Derivatives under Ultrasonic Irradiation in Water

期刊

POLYCYCLIC AROMATIC COMPOUNDS
卷 42, 期 7, 页码 4224-4239

出版社

TAYLOR & FRANCIS LTD
DOI: 10.1080/10406638.2021.1886125

关键词

Multicomponent reaction; β ‐ cyclodextrin; supramolecular catalysis; ultrasonic irradiation; pyranoquinolines

资金

  1. Council of Scientific and Industrial Research, India

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An innovative method for the synthesis of 2-amino-4H-pyranoquinolines has been developed, utilizing beta-cyclodextrin as a reusable supramolecular catalyst in a one-pot three-component reaction catalyzed under ultrasound irradiation in an aqueous medium. The tandem process allows for efficient and convenient synthesis of target products meeting pharmaceutical chemistry requirements.
A newer, convenient and efficient approach has been designed for the diverse synthesis of 2-amino-4H-pyranoquinolines and achieved by a one-pot three-component reaction of aromatic aldehydes with ethyl cyanoacetate/malononitrile and 8-hydroxyquinoline catalyzed by beta-cyclodextrin as a reusable supramolecular catalyst in an aqueous medium under ultrasound irradiation. Target products were synthesized in a tandem process, which meets their requirements of pharmaceutical chemistry.

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