4.6 Article

Clean Preparation of Quinolin-2-yl Substituted Ureas in Water

Journal

ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 7, Issue 7, Pages 7193-7199

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.9b00200

Keywords

In water; Quinoline N-oxides; Atom economy; Reusability; Green chemistry

Funding

  1. Hunan Provincial Natural Science Foundation of China [2019JJ20008]
  2. construct program of applied characteristic disciplines at the Hunan University of Science and Engineering

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An environmentally-friendly method for the clean preparation of various quinolin-2-yl substituted ureas in water under mild and toxic reagent-, base-, and organic solvent-free conditions was established. In the large-scale synthesis, the products could be rapidly collected via simple filtration and washing with ethanol. The usage of readily available raw materials, 100% atom economy, high yield, and excellent regioselectivity enhanced the practicability of this protocol.

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