This review highlights the advances in the use of oxindole as starting material in the
synthesis of various organic compounds and drugs. The reactions can be performed on …

Barbituric acid (pyrimidine-2, 4, 6 (1H, 3H, 5H)-trione) as odourless white crystals has been
prepared in 1864. Due to the acidity of the CH2 group, the pyrimidine ring of barbituric acid …

An efficient method for synthesis of 1, 3-dimethyl-5-(2-phenyl-4H-chromen-4-ylidene)
pyrimidine-2, 4, 6 (1H, 3H, 5H)-triones has been developed by treatment of 2 …

A green one-pot reaction involving cyclic secondary amines, activated alkynes, and alloxan
derivatives in water has been established, offering a cost-effective and selective route to …

4-Hydroxy-6-methyl-2-pyrone has been utilized in the synthesis of various heterocyclic
compounds. It is a potential 1, 3-dicarbonyl compound with diverse synthetic applications …

A tandem double-annulation reaction of 1, 3-dimethylalloxan with enaminones, generated in
situ from alkyl amines and alkyl but-2-ynoates or pent-3-yn-2-ones to give functionalized …

Reactions of 1,4-naphthoquinone and 5-hydroxy-1,4-naphthoquinone with ninhydrin Page 1
Russian Chemical Bulletin, International Edition, Vol. 68, No. 1, pp. 86—91, January, 2019 86 …

In an attempt to explore the mechanism for the multicomponent reaction of propylamine and
dimethyl acetylenedicarboxylate with 1, 3-dimethylalloxan, two reaction mechanisms were …

A general, simple, practical and convenient method has been described for the synthesis of
anesthetic drug thiopental using thiourea in the presence of sodium ethoxide. Anesthetic …

A simple and efficient method for the synthesis of new amidinate salts containing barbiturate
moiety by a three-component condensation reaction of C–H acids, pyrimidine-tetraone and …