The combination of heterocycles offers a new opportunity to create novel multicyclic
compounds having improved biological activity. Coumarins are ubiquitous natural …

Organic pollutants cause many environmental problems to our environment because of their
toxicity, non-degradation and ability to long-range transport. The most common organic …

Oxygen-containing heterocycles are largely distributed in natural and synthetic compounds.
Coumarins are among the most famous heterocycles which possess one oxygen atom in …

Pyrimidine compounds continue to attract great interest in the field of organic synthesis due
to their various chemical and biological applications observed, especially in recent times. As …

In examining for unique insecticidal agents, two derivatives namely, 2-((3-cyano-4, 6-
distyrylpyridin-2-yl) thio)-N-(4-nitrophenyl) acetamide (2) and 3-amino-N-(4-nitrophenyl)-4, 6 …

Thiazolopyrimidnes are considered one of the most interesting classes in heterocyclic
chemistry due to their pharmaceutical importance. Herein, we report the synthesis of some …

Epidermal growth factor receptor (EGFR) is a vital intermediate in cell signaling pathway
including cell proliferation, angiogenesis, apoptosis, and metastatic spread and also having …

A series of novel coumarin-theophylline hybrids were synthesized and examined for their
anti-tubercular activity in vitro against Mycobacterium tuberculosis H 37 Rv, anti-microbial …

The hybridization of heterocycles presents a key opportunity to craft innovative multicyclic
compounds with enhanced biological activity. Coumarins, being broadly prevalent natural …

Recent advances in 4-hydroxycoumarin chemistry. Part 1: Synthesis and reactions -
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