Cancer, a noncommunicable disease, is the leading cause of mortality worldwide and is
anticipated to rise by 75% in the next two decades, reaching approximately 25 million cases …

Nano-catalysts are of special character for the synthesis of organic molecules with high
efficiency, and exceptional physicochemical properties. The objective of this study was to …

Hydroxycarboxylic acids are crucial metabolic intermediates involved in various
physiological and pathological processes, some of which are recognized by specific …

Herein, we report a metal-free, organophotoredox-catalyzed sustainable C–H thiocyanation
of a biologically active class of N-heterocycles, pyrazolo [1, 5-a] pyrimidines, with potassium …

An aerobic Mn (III)-catalyzed one-pot three-component synthesis of 5-cyano-pyrazolo [1, 5-
a] pyrimidines has been described. The synergistic combination of Strecker reaction and …

An efficient method for the construction of 5-arylpyrazolo [1, 5-a] pyrimidines using calcium
carbide as a solid alkyne source instead of flammable and explosive gaseous acetylene …

We have developed a visible‐light‐mediated convenient and efficient strategy for the
iodination of heteroarenes using diacetoxyiodobenzene (PIDA) under photocatalyst‐free …

1, 2, 3-Triazine 1-oxides are remarkably effective substrates for inverse electron demand
Diels–Alder reactions. Formed from vinyldiazoacetates via reaction with tert-butyl nitrite …

A new set of pyrazolo [1, 5-a] pyrimidines 5–8 and imidazo [1, 2-b] pyrazoles 9–11
incorporating isoxazole as pharmacologically attractive cores were synthesized starting with …

The entitled review aimed to assemble and highlight the synthetic approaches and
biological aspects of heterocycles with pyridodipyrimidine motifs. The recent synthetic …