The utility of the enaminonitriles 3a and 3b for the synthesis of the pyrazole derivatives 5a, b,
7a, b, diaminopyrimidine derivatives 9, 11, pyrazolo [1, 5-a] pyrimidines 12, 15, triazolo [4, 3 …

The reaction of sulfamethoxazolehydrazonoyl chloride with thiosemicarbazones, bis-
thiosemicarbazones, or 4-amino-3-mercapto-1, 2, 4-triazole in dioxane in the presence of …

A series of novel thieno [2, 3-b] pyridines linked to N-aryl carboxamides or
(carbonylphenoxy)-N-(aryl) acetamides, as well as bis (thieno [2, 3-b] pyridines) linked to …

Background: Medicinal chemistry of pyrazolopyrimidine scaffolds substituted with different
heterocyclic nuclei has attracted great attention due to their wide range of biological …

Synthesis of analogs of known active compounds is the most often employed strategy for
producing important compounds. The Hantzsch reaction was employed to create new star …

Aza-Michael adducts are obtained in excellent yields by the conjugate addition of
nucleophilic reagents with α, β-unsaturated substrates such as methyl methacrylate (MMA) …

A novel bis-triazole was synthesized in this context, and its potential usage as a flexible
precursor for new bistriazolothiadiazines and bis-triazolothiadiazoles with antioxidant …

Regioselective facile synthesis of innovative heterocycles from the reaction of 2-cyano-N-
cyclohexylacetamide (3) with N, N-dimethylformamide dimethylacetal (DMF-DMA) to afford …

Regioselective facile production of pyrano [2, 3-c] pyridine through multicomponent reaction
of aromatic aldehydes, ethyl cyano acetate or malononitrile and CH activated compound of 3 …

We investigated the flow of electron density along the cyclocondensation reaction between
ethyl acetate 2‐oxo‐2‐(4‐oxo‐4 H‐pyrido [1.2‐a] pyrimidin‐3‐yl) polyazaheterocycle (1) …