Journal
POLYCYCLIC AROMATIC COMPOUNDS
Volume 42, Issue 9, Pages 6101-6111Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10406638.2021.1974895
Keywords
p-Phenylenediamine; nanocellulose; spiropyran oxide; isatin; malononitrile; 1; 3-dicarbonyl compound
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Funding
- College of Applied Chemistry, Food and Drug, Weifang Engineering Vocational College, Qingzhou Shandong, in China
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In this study, a novel PDA@CNC nanocatalyst was designed for the synthesis of spiropyran oxide derivatives, with advantages of simple and efficient operation, high yields, and environmentally friendly characteristics.
In this study, p-Phenylenediamine supported on nanocellulose (PDA@CNC) was designed. The prepared nanocatalyst was characterized with various analytical techniques such as FT-IR, XRD, TGA, SEM, and CHN. Nanocatalyst used for the synthesis of spiropyran oxide derivatives by designing a simple and efficient method using a three-part reaction between the Isatin derivatives, Malononitrile or Ethyl cyanoacetate and 1,3-dicarbonyl compound. Simple procedure, high yields, short reaction time and environmentally benign method are advantages of this protocol. The nanocatalyst was readily separated by filter and reusable without significant loss of its catalytic efficiency.
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