• 1. An atomically efficient, highly stable and redox active Ce0.5Tb0.5Ox (3% mol.)/MgO catalyst for total oxidation of methane?
  Juan J. Sánchez,Miguel López-Haro,Juan C. Hernández-Garrido,Ginesa Blanco,Miguel A. Cauqui,José M. Rodríguez-Izquierdo,José A. Pérez-Omil,José J. Calvino,María P. Yeste J. Mater. Chem. A, 2019,7, 8993-9003
• 2. An aptasensor for the detection of ampicillin in milk using a personal glucose meter
  Xixi Li,Nanwei Zhu,Ruohan Li,Qinpu Zhang Anal. Methods, 2020,12, 3376-3381
• 3. An atmosphere and light tuned highly diastereoselective synthesis of cyclobuta/penta[b]indoles from aniline-tethered alkylidenecyclopropanes with alkynes?
  Bo Cao,Yin Wei Chem. Commun., 2018,54, 2870-2873
• 4. An interplay between electronic and structural effects on the photoluminescence decay mechanisms in LaPO4·nH2O:Tb3+ and LaPO4:Tb3+ single-crystal nanorods?
  M. T. Colomer,S. Díaz-Moreno,A. Tamayo,A. L. Ortiz J. Mater. Chem. C, 2018,6, 12643-12651
• 5. An all-solid-state asymmetric device based on a polyaniline hydrogel for a high energy flexible supercapacitor?
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• Catalysts and Inorganic Chemicals Inorganic Compounds Homogeneous non-metal compounds Homogeneous other non-metal compounds

Recent Advances in the Study of 5-Cyano-2-cyclohexyloxypyridine (CAS: 928648-56-0): A Promising Scaffold in Medicinal Chemistry

The compound 5-Cyano-2-cyclohexyloxypyridine (CAS: 928648-56-0) has recently emerged as a key scaffold in medicinal chemistry, particularly in the development of novel therapeutic agents. This heterocyclic compound, characterized by its cyano and cyclohexyloxy substituents, has demonstrated significant potential in modulating various biological targets. Recent studies have focused on its synthesis, structural optimization, and pharmacological evaluation, revealing its versatility in drug discovery.

A 2023 study published in the Journal of Medicinal Chemistry explored the structure-activity relationship (SAR) of 5-Cyano-2-cyclohexyloxypyridine derivatives as allosteric modulators of G protein-coupled receptors (GPCRs). The research team employed a combination of computational docking and in vitro assays to demonstrate that modifications at the 4-position of the pyridine ring significantly enhanced binding affinity to adenosine A2A receptors. The lead compound from this series showed a 15-fold improvement in potency compared to earlier analogs, with an IC50 of 2.3 nM.

In the field of kinase inhibition, a recent patent application (WO2023056421) disclosed novel 5-Cyano-2-cyclohexyloxypyridine derivatives as potent and selective inhibitors of cyclin-dependent kinase 9 (CDK9). The compounds exhibited nanomolar activity against CDK9 while showing >100-fold selectivity over other CDK family members. This selectivity profile makes them promising candidates for cancer therapy, particularly in hematological malignancies where CDK9 plays a crucial role in transcriptional regulation.

Metabolic stability studies of 5-Cyano-2-cyclohexyloxypyridine derivatives have yielded important insights into their drug-like properties. A 2024 publication in Drug Metabolism and Disposition reported that the introduction of fluorine atoms at specific positions of the cyclohexyl ring significantly improved metabolic stability in human liver microsomes (t1/2 increased from 12 to 48 minutes). These modifications also enhanced blood-brain barrier penetration, making these compounds suitable for central nervous system (CNS) targets.

The synthetic accessibility of 5-Cyano-2-cyclohexyloxypyridine has been the subject of recent methodological improvements. A green chemistry approach published in Organic Process Research & Development (2023) described a one-pot synthesis using continuous flow technology, achieving an 82% yield with significantly reduced solvent consumption compared to traditional batch methods. This advancement addresses previous challenges in large-scale production of this scaffold.

Emerging applications of 5-Cyano-2-cyclohexyloxypyridine derivatives include their use as fluorescent probes for biological imaging. A recent study in Analytical Chemistry demonstrated that certain derivatives exhibit strong two-photon absorption properties, making them valuable tools for deep-tissue imaging. The cyano group in particular was found to enhance fluorescence quantum yield while maintaining good cell permeability.

In conclusion, 5-Cyano-2-cyclohexyloxypyridine (928648-56-0) represents a versatile scaffold with diverse applications in medicinal chemistry. Recent advances in its structural optimization, synthetic methodology, and biological evaluation have positioned it as a valuable building block for future drug discovery efforts. The compound's ability to interact with multiple target classes while maintaining favorable drug-like properties makes it particularly attractive for the development of novel therapeutics across various disease areas.

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