Benzoxazole nucleus is one of the most important heterocyclic compounds exhibiting remarkable pharmacological activities such as antibacterial activity, antifungal activity, Anticonvulsant activity, etc., In view of the importance of benzoxazole derivative we synthesized one benzoxazole derivati...

A novel diarylethene containing a 3-(4-methylphenyl)-1H-pyrazol-5-amine was synthesized. Its multi-responsive properties induced by UV/Vis lights and metal ions were studied in detail by absorption and fluorescence emission spectroscopy. It showed excellent fluorescence sensing ability for Al3+ ...

A novel bispyrazole derivative 2,6-bis(5-(4-methylphenyl)-1-H-pyrazol-3-yl)pyridine was synthesized and its structure was confirmed by 1H NMR, FTIR, MS techniques and elemental analysis. The binding interactions of BMPP with Cd2+, Co2+, Pb2+ and Cu2+ ions were investigated in MeOH–H2O solution ...

The title compound 1-(4-ethoxyphenyl)-3-(4-methylphenyl) prop-2en-1-one has been synthesized, characterized by NMR, IR and mass spectral analysis, and finally the structure was confirmed by single crystal X-ray diffraction studies. The title compound C18H18O2 crystallizes in the monoclinic cryst...

A new imidazole derivative, 2-(4-bromophenyl)-1-(3-fluoro-4-methylphenyl)-4,5-diphenyl-1H-imidazole (I) was synthesized and characterized by IR, Mass, NMR (1H and 13C), Single crystal X-ray diffraction, and elemental analysis techniques. Hirshfeld surface analysis was performed to find out the i...

Two series of indole derivatives 4–17, 20–22 were easily prepared and assayed for their radical-scavenging ability. Arylidene-1H-indole-2-carbohydrazones showed different extent antioxidant activity in DPPH, FRAP and ORAC assays. Good antioxidant activity is related to the number and position ...

Exposure to glycol ethers has been associated with adverse effects in laboratory animals including thymus atrophy and mild leukopenia. These effects may involve depletion of immunoresponsive cells. This study examined possible alterations in immune function and host resistance of B6C3F1 mice fol...

Functionalized 3-hydroxymaleic anhydrides were prepared by cyclization of 1,1-bis(trimethylsilyloxy)ketene acetals with oxalyl chloride.

The mild oxidation of Shenmu char powder (SCP) with aqueous hydrogen peroxide (AHPO)–acetic anhydride (AAH) was carried out under different conditions, including volume-to-mass ratio of AAH to SCP (AAH/SCP), temperature, volume ratio of AHPO to AAH (AHPO/AAH), and time. Each reaction mixture wa...

Three series of bitobic arylpiperazine-phenyl-hexahydropyrazinoquino- lines analogues were designed, synthesizedand evaluated as a novel class of selective ligands for the dopamine D3 receptor. Compounds 15a (Ki of 11.7 ± 1.8 and 373 nM at D3 and D2, respectively), 15c (Ki of 5.49 and 264 nM at...

Heterocyclic compounds, such as hybrid tetrahydroquinoline and quinoline derivatives with phosphorated groups, have been prepared by multicomponent cycloaddition reaction between phosphorus-substituted anilines, aldehydes and styrenes. The antileishmanial activity of these compounds has been eva...

Tetrahydroquinoline and tetrahydroisoquinoline derivatives containing 2-phenyl-5-furan moiety were designed and synthesized as phosphodiesterase type 4 (PDE4) inhibitors. The bioassay results showed that title compounds showed good inhibitory activity against PDE4B and blockade of LPS (lipopolys...

Scaffolds of natural products represent promising starting points for the development of focused compound libraries. Here, we describe the development of a synthetic route to a compound library based on the hexahydropyrrolo indole (HPI) scaffold, the denoting structural motif of the HPI natural ...

A Cu-mediated regioselective, dehydrogenative homocoupling of indoles was developed using AgNO3 as the additive. The easily installed and removed N-pyrimidyl group exerted complete C2 regiocontrol via C–H activation. A series of indole substrates underwent cross-dehydrogenative-homocoupling. Th...

Indoles constitute extensively explored heterocyclic ring systems with a wide range of applications in pathophysiological conditions such as cancer, microbial and viral infections, inflammation, depression, migraine, emesis, hypertension, and so on. Presence of an indole nucleus in amino acid tr...

A method for the combinative oxidative homo dimerization and cyanation of free indole derivatives catalysed by TEMPO along with silver carbonate was demonstrated for the first time This new methodology is both atom and step efficient and is applicable to a broad scope of substrates, allowing the...

Mitochondrial oxidative damage contributes to a wide range of pathologies including ischemia/reperfusion injury. Accordingly, protecting mitochondria from oxidative damage should possess therapeutic relevance. In the present study, we have designed and synthesized a series of novel indole-TEMPO ...

Cannabinoid type 2 (CB2) receptor continues to emerge as a promising drug target for many diseases and conditions. New tools for studying CB2 receptor are required to further inform how this receptor functions in healthy and diseased states. The alkyl indole scaffold is a well-recognised ligand ...

Due to the immense importance of aryl indole nucleus, herein we report the palladium-catalyzed arylation of N-substituted 2-aryl indole utilizing Suzuki-Miyaura cross coupling methodology. The biological screening for cholinesterase inhibition of the resulted biaryl indole moieties was carried o...

Heterocycles occupy a salient place in chemistry due to their wide range of activity in the fields of drug design, photochemistry, agrochemicals, dyes, and so on. Amongst all, indole scaffold is considered as one of the most promising heterocycles found in natural and synthetic sources and has b...