Results 131 to 140 of about 459,445 (367)

Double Carbon−Hydrogen Activation of 2-Vinylpyridine: Synthesis of Tri- and Pentanuclear Clusters Containing the μ-NC\u3csub\u3e5\u3c/sub\u3eH\u3csub\u3e4\u3c/sub\u3eCH═C Ligand [PDF]

open access: yes, 2008
Reactions of 2-vinylpyridine with the triruthenium complexes [Ru3(CO)12] and [Ru3(CO)10(μ-dppm)] leads to a previously unknown double carbon−hydrogen bond activation of the β-carbon of the vinyl group to afford the pentaruthenium and triruthenium ...
Azam, Kazi A.   +9 more
core   +1 more source

Proton and Carbon-13 NMR Relaxation Studies on t-Butyl Thiol. [PDF]

open access: bronze, 1987
Dagfinn W. Aksnes   +5 more
openalex   +1 more source

A Programmable Semiconductor Containing Active Molecular Photoswitches Located in the Crystal's Volume Phase

open access: yesAdvanced Functional Materials, EarlyView.
A novel approach for the design of functional semiconductors is presented, which utilizes the excellent optoelectronic properties of layered hybrid perovskites and the possibility to introduce a molecular photoswitch as the organic spacer. This concept is successfully demonstrated on a coumarin‐based system with the possibility to change the bandgap ...
Oliver Treske   +4 more
wiley   +1 more source

Carbon-13 NMR Spectra of π-Allyl Palladium Chloride Complexes [PDF]

open access: bronze, 1977
Yasuhisa Senda   +6 more
openalex   +1 more source

Counterion Dependent Side‐Chain Relaxation Stiffens a Chemically Doped Thienothiophene Copolymer

open access: yesAdvanced Functional Materials, EarlyView.
Oxidation of a thienothiophene copolymer, p(g3TT‐T2), via different doping strategies and dopant molecules resulted in materials with similar oxidation levels and a high electrical conductivity of ≈100 S cm−1. However, mechanical properties varied significantly, with sub‐glass transition temperatures and elastic moduli spanning from –44°C to –3°C and ...
Mariavittoria Craighero   +12 more
wiley   +1 more source

High field 13C NMR spectroscopic analysis of the triacylglycerols of Jatropha curcas oil

open access: yesBulletin of the Chemical Society of Ethiopia, 2004
Gated decoupled 13C NMR has been employed to determine the acyl composition and acyl positional distribution on the glycerol backbone in the triacylglycerols of Jatropha curcas oil.
E.T. Akintayo   +3 more
doaj  

Depth-Dependent Molecular Composition of Peat Organic Matter Revealed by 13C NMR Spectroscopy in the Mukhrino Carbon Supersite (Khanty-Mansi Region, Russia)

open access: yesMolecules
This study investigates the molecular composition of a Holocene oligotrophic sapric peat core from the Mukhrino Carbon Supersite in Western Siberia, with special reference to carbon pool stabilization mechanisms.
Evgeny Abakumov   +5 more
doaj   +1 more source

A Simple Route to Strong Carbon-13 NMR Signals Detectable for Several Minutes. [PDF]

open access: yesChemistry, 2017
Roy SS   +4 more
europepmc   +1 more source

NMR Method for Measuring Carbon-13 Isotopic Enrichment of Metabolites in Complex Solutions [PDF]

open access: bronze, 2010
Ian A. Lewis   +5 more
openalex   +1 more source

Mimicking Block Copolymer Self‐Assembly with One‐Pot Synthesized Polyphosphoester Gradient Copolymers

open access: yesAdvanced Functional Materials, EarlyView.
Degradable Polyphosphoester (PPE) gradient copolymers (GCPs) are synthesized via one‐pot copolymerization. We show that GCPs self‐assemble into nanostructures like polymersomes, effectively mimicking the behavior of traditional BCPs. The gradient strength is key, with softer gradients favoring micelles.
Suna Azhdari   +7 more
wiley   +1 more source

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