Chemistry – An Asian Journal

Wiley Online Library : Chemistry – An Asian Journal

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Solvent and Temperature Dependent Assembly in Monolayer Film of Ferrocene‐Naphthyridine Hybrid on HOPG

The formation of monolayer film of bis‐naphthyridyl ferrocene on highly oriented pyrolytic graphite (HOPG) at ambient conditions is demonstrated. The films are prepared by drop casting from different solvents. The microscopic structure of the films is understood using atomic force microscopy (AFM) and scanning tunneling microscopy (STM). The analysis...

Pyrimidinetrione‐imidazoles as a unique structural type of potential agents towards Candida albicans: Design, synthesis and biological evaluation

Substantial morbidity and mortality of fungal infections have aroused concerns all over the world, and common Candida spp. currently bring about severe systemic infections. A battery of pyrimidinetrione‐imidazole conjugates as potentially antifungal agents was developed. Bioassays manifested that 4‐fluobenzyl pyrimidinetrione imidazole 5f exerted favorable...

Functional Material Systems Based on Soft Cages

Increasing applications of cage molecules in material design have been reported in recent years, delivering material functions ranging from selective molecular take‐up, sensing, surface protection, and catalysis among others in the form of functional powers, surface layers, or polymeric films. In this review, the recent progress of soft cages is summarized...

Multi‐Component Metal‐Organic Frameworks Significantly Boost Visible‐Light‐Driven Hydrogen Production Coupled with Selective Organic Oxidation

Through the incorporation of two photoactive ligands (H3TCA and NPy3) into a single MOF, a multi‐component construction strategy to control the coordination modes of two ligands with Co2+ ions was designed. With the redox active metal centers enabling the photoexcitation reduction of protons into hydrogen and the photogenerated holes promoting considerable...

Toward Zigzag‐edged Helical Nanographene Based on [7]Helicene

A helical and zigzag‐edged nanographene (1) with diketone group was designed and synthesized from (p)‐3,16‐dimethoxy‐[7]helicene. The relevant characterizations of structural feature, photophysical and electrochemical properties of 1 are well studied. The work reported herein not only represents the synthesis of the unprecedented [7]helicene‐embedded...

Total Synthesis of Panaginsene

Key steps for the reported total synthesis of panaginsene are a Sharpless asymmetric epoxidation and Ti(III)‐mediated reductive epoxide opening‐radical cyclization to construct the chiral quaternary carbon stereocenter. They are followed by a highly challenging HWE olefination reaction on the 1,3‐keto aldehyde and a late stage McMurry olefination using...

Detection of Urinary Albumin Using a “Turn‐on” Fluorescent Probe with Aggregation‐Induced Emission Characteristics

In this study, we synthesized and evaluated a novel AIE‐based bioprobe TC426, which outstandingly exhibits its unique selectivity toward albumin. A series of evaluations including the variation of pH value, response of ions and proteins and interference of common urinary components proved its good stability in PBS buffer at room temperature. Therefore,...

Polymerization via Insertion of Ethylene into Al–C bond under Mild Conditions: Mechanistic Studies on the Promotion Exerted by a Catalytic Amount of Cationic Gadolinium Metallocene

The cationic gadolinium metallocene [(C 5 Me 5 ) 2 Gd][B(C 6 F 5 ) 4 ], when combined with excess amount of Al( i Bu) 3 , efficiently produces polyethylene at 80 ℃ under 0.8 MPa pressure of ethylene. After quenching, the resulting polyethylene has ethyl group at one end and isobutyl group at the other terminal. Because no Gd–alkyl species appears...

Effect of the Ethanol/BTC Ratio on the Methane Uptake of Mechanochemically Synthesized MOF‐199

MOF‐199 was prepared by a ligand assisted grinding method and methane uptake characterized. This method uses minimal amounts of solvent and avoids counterions removal with respect to baseline methods. The obtained MOF exhibited methane uptake comparable to commercial Basolite C300, showing the capability of the synthetic method to produce materials...

A Base‐mediated Approach Towards Dihydrofuro[2,3‐b]benzofurans from 2‐Nitrobenzofurans and 1,3‐Dicarbonyls

A straight‐forward approach for the synthesis of a dihydrofuro[2,3‐ b ]benzofuran derivatives has been achieved through a base‐mediated Michael addition of 1,3‐dicarbonyls to 2‐ nitrobenzofurans followed by intramolecular cyclization. A variety of 1,3‐dicarbonyls, including cyclic as well as trifluoromethylated ones, have been subjected to react with...

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