A solvent-free synthesis of five series of coumarin derivatives using microwave assistant is presented herein. The synthesized compounds are fully characterized by UV-VIS, FT-IR, and NMR spectroscopy.
Al-Bayati, R. I., Radey, M. F., & Al-Amiery, A. A. (2012). Solvent-Free Synthesis of New Coumarins. Organic Chemistry International, 2012, 1–8. https://doi.org/10.1155/2012/828032