Multicomponent reactions have gained significant importance as a tool for the synthesis of a
wide variety of useful compounds, including pharmaceuticals. In this context, the multiple …

Organic synthesis performed through multicomponent reactions is an attractive area of
research in organic chemistry. Multicomponent reactions involve more than two starting …

A green multi-component tandem strategy for metal-free synthesizing spiroacenaphthylenes
and 1H-pyrazolo [1, 2-b] phthalazine-5, 10-diones by Knoevenagel-Michael …

Silica sulfuric acid as an efficient and reusable heterogeneous catalyst have been used for
the preparation of 2H-indazolo [2, 1-b] phthalazine-1, 6, 11 (13H)-trione derivatives from the …

2H-Indazolo [2, 1-b] phthalazine-1, 6, 11 (13H)-trione derivatives were synthesized in a
simple and efficient method from the three-component condensation reaction of …

Condensed pyrazole derivatives are important heterocyclic compounds due to their
excellent biological activities and have been widely applied in pharmaceutical and …

Heterocycles form by far the largest of the classical divisions of organic chemistry. Moreover,
they are of immense importance not only both biologically and industrially but to the …

Sulfuric acid-catalyzed, three-component, one-pot condensation of phthalhydrazide,
aromatic aldehydes and 1, 3-dicarbonyl compounds has been reported for the synthesis of a …

Catalyst-free three-component tandem approach can synthesize spiroacenaphthylenes and
1H-pyrazolo [1, 2-b] phthalazine-5, 10-diones by Knoevenagel-Michael cyclocondensation …

Pyranopyrazole derivatives have a vital role in the class of organic compounds because of
their broad spectrum of biological and pharmacological importance. Our current goal is the …