Results 91 to 100 of about 21,892 (259)

Synthesis of 1‐Alkynylboronates, 1,1‐Diborylalkenes, and 1,1,1‐Triborylalkanes: Challenges and Opportunities

open access: yesChemistry – A European Journal, EarlyView.
ABSTRACT In the field of organoboron chemistry, multi(boronate) esters have emerged as crucial intermediates, with various applications in synthetic chemistry, material technology, and life sciences. This mini‐review discusses recent advancement in the synthesis of these versatile compounds, particularly alkynylboronates, 1,1‐diborylalkenes, and 1,1,1 ...
Son Hoai Doan   +2 more
wiley   +1 more source

The Morphology of Electrospun Titanium Dioxide Nanofibers and Its Influencing Factors

open access: yesMATEC Web of Conferences, 2016
Titanium dioxide (TiO2) has high photocatalytic activity and it is extensively applied in solar cell technology and environmental science. Electrospinning is acknowledged as the most versatile technique to fabricate nanofibers such as metal oxide ...
Tang Zi Sheng   +3 more
doaj   +1 more source

Thick films of YSZ electrolytes by dip-coating process [PDF]

open access: yes, 2005
Yttria stabilized zirconia (YSZ, 8% Y2O3) thick films were coated on porous Ni-YSZ substrates using the dip-coating process and a suspension with a new formulation.
Bradley   +12 more
core   +2 more sources

A High Energy Barrier DyIII2 Single‐Molecule Magnet Supported by a Bulky, Anionic N–O Bridging Ligand

open access: yesChemistry – A European Journal, EarlyView.
Complex [Dy2(hynad)2(dbm)4] was prepared by the employment of the anionic N–O‐based bridging and chelating N‐hydroxy‐1,8‐naphthalimide ligand, featuring a {Dy2(µ‐OR)2}4+ core and exhibiting zero‐field SMM behavior with a Ueff value of 171 K and double‐S‐shaped hysteresis loops, open up to 3.5 K.
Alexandros S. Armenis   +6 more
wiley   +1 more source

Hydrophobic and Corrosion Behavior of Sol-Gel Hybrid Coatings Based on the Combination of TiO2 NPs and Fluorinated Chains for Aluminum Alloys Protection

open access: yesMetals, 2018
In this work, layers of a sol-gel hybrid matrix doped with metal oxide nanoparticles (TiO2 NPs) have been deposited on flat samples of AA6061-T6 aluminum alloy using the dip-coating technique, with the aim of obtaining coatings with better anti-corrosive
Pedro J. Rivero   +5 more
doaj   +1 more source

The Asymmetric Self‐Replicative Alkylation of N‐Arylaldimines Using Organolithium Reagents

open access: yesChemistry – A European Journal, EarlyView.
Here, we report a new asymmetric autoinductive reaction; the addition of nBuLi to N‐arylaldimines to form chiral lithium amides. The reaction proceeds with full conversion and complete transfer of chirality, representing the first example of an asymmetric autoinductive reaction with organolithium reagents.
Anka Hagelschuer   +2 more
wiley   +1 more source

Advances in chemically tailored metal alkoxide as single-source precursors for engineered oxide nanostructures

open access: yesOpen Ceramics
Metal oxide nanostructures are of significant importance in several fields such as chemistry, physics, and materials science due to their diverse range of practical applications.
Ajay Saini   +3 more
doaj   +1 more source

Photolytic Hydrophosphination: Insights Into Catalyzed and Uncatalyzed Processes

open access: yesChemistry – A European Journal, EarlyView.
Catalyst‐free photolytic hydrophosphination is demonstrated for vinyl arenes and activated alkenes in polar protic (alcohol) solvents. These reactions appear to be closed‐shell, affirming that even ambient light can impact a reaction—a potentially broad influence on even mundane reactions.
Emma J. Finfer   +2 more
wiley   +1 more source

Modification of chiral dimethyl tartrate through transesterification : immobilisation on POSS and enantioselectivity reversion in Sharpless asymmetric epoxidation [PDF]

open access: yes, 2010
Modification of dimethyl tartrate has been investigated through transesterification with aminoalcohols to provide reactive functionalities for the covalent bonding of chiral tartrate to polyhedral oligomeric silsesquioxanes.
García, Rafael A.   +4 more
core   +1 more source

Alkali‐Metal Base Catalyzed Electrocyclization of Isoprene Derivatives

open access: yesChemistry – A European Journal, EarlyView.
Simple and abundant alkali‐metal base catalysis in combination with Lewis basic polyamines enables the electrocyclization of isoprene‐derived trienes to cycloheptadienes under neat conditions. Mechanistic insight supported by DFT guides a scalable route to seven‐membered carbocycles which, after reduction, give saturated cycloalkanes relevant as ...
Mikaël Le Roch   +3 more
wiley   +1 more source

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