Research Article
Synthesis and Application of Nanocrystalline-Cellulose-Supported Acid Ionic Liquid Catalyst in Pechmann Reaction
Table 4
Preparation of coumarins using NCC-supported sulfonic acid ionic liquida.
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The reactions were performed in the absence of solvent at 80°C. bIsolated yields. cThe products were characterized by comparison of their spectroscopic and physical data with reference samples synthesized by the reported procedure. |