4971-56-6, Name is Furan-2,4(3H,5H)-dione, belongs to Tetrahydrofurans compound, is a common compound. COA of Formula: C4H4O3In an article, once mentioned the new application about 4971-56-6.
GAP chemistry for pyrrolyl coumarin derivatives: A highly efficient one-pot synthesis under catalyst-free conditions
A concise and efficient one-pot synthesis of pyrrolyl coumarin derivatives via a four-component reaction of 4-hydroxycoumarin, arylglyoxal monohydrate, dialkyl but-2-ynedioate and amines under catalyst-free conditions in an environmentally friendly medium (ethanol) is described. This synthesis was confirmed to follow the group-assisted-purification (GAP) chemistry process, which can avoid traditional chromatography and recrystallization purification methods.
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Reference£º
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem