Regioselective Synthesis of Emission Color‐Tunable Pyrazolo[1,5‐a]pyrimidines with β,β‐Difluoro Peroxides as 1,3‐Bis‐Electrophiles

β-Perfluoroalkyl Peroxides as Fluorinated C3-Building Blocks for the Construction of Benzo[4,5]imidazo[1,2-a]pyridines

An efficient and selective protocol for the synthesis of perfluoroalkyl-group-substituted benzo[4,5]imidazo[1,2-a]pyridines has been developed in which β-perfluoroalkyl peroxides act as novel fluorinated C3-building blocks to implement regioselective [3 + 3] annulation with 2-cyanomethyl benzimidazole under metal-free conditions. The application of the synthesized perfluoroalkylated BIPs as potent anticancer reagents versus the nonfluorinated ones demonstrated the biological utility of this method.

Multiple-fold C–F bond functionalization for the synthesis of (hetero)cyclic compounds: fluorine as a detachable chemical handle

We highlighted the recent advances in the field of multiple-fold C–F bond functionalization for the synthesis of (hetero)cyclic compounds.

Di-tert-butyl peroxide as an effective two-carbon unit in oxidative radical cyclization toward 7-methylazolo[1,5-a]pyrimidines

An unexpected oxidative radical cyclization with DTBP as the C2 cyclic unit enables the assembly of privileged 7-methylazolo[1,5-a]pyrimidines.