Preparation of the DES catalyst
The mixture of Thr and Mal (molar ratio 1:1) was heated to 65 °C and stirred until a homogeneous, transparent liquid (Thr/Mal-DES) was obtained. Following the principles of the green chemistry, solvents used in…
Amino acid-based deep eutectic solvent as a versatile catalyst for the green synthesis of chromenopyrimidines
