A novel and efficient cerium-catalyzed tandem oxidation and intermolecular ring cyclization of vicinal diols with hydrazones has been achieved for the regioselective synthesis of pyrazole derivatives.
Recent advances in the multicomponent synthesis of pyrazoles have been reviewed. The reactions involving hydrazine, hydrazine, diazo compound, and nitrile/amine as N
N donors are summarized.
The past decade has witnessed significant progress in synthesizing structurally diverse and biologically relevant pyrano[2,3-c]pyrazole derivatives through the integration of green methodologies.
Functionalization of unactivated C(sp3)–H bonds represents one of the interesting transformations in organic synthesis. This review highlights the most recent developments in the cobalt-catalyzed functionalization of unactivated C(sp3)–H bonds.
This review focuses on the methodology for the construction of stilbene and stilbene derivatives by C–C coupling reactions of organic compounds in the presence of transition metal catalysts or under metal-free conditions.