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Discerning Inter- and Intramolecular Vibrations of Sulfur Polyaromatic Compounds.
Publication Type: Academic Journal
Source(s): Journal of Physical Chemistry A. Sep2017, Vol. 121 Issue 38, p7205-7218. 14p.
Abstract: Thiophenes are an important class of molecules in fields as diverse as petrochemistry, molecular electronics, and optoelectronics. Thiophenic submolecular motifs are thought to play a role in molecular association and nanoaggregation phenomena in both ...
Mass Spectral Library Quality Assurance by Inter-Library Comparison.
Publication Type: Academic Journal
Source(s): Journal of the American Society for Mass Spectrometry. Apr2017, Vol. 28 Issue 4, p733-738. 6p.
Abstract: A method to discover and correct errors in mass spectral libraries is described. Comparing across a set of highly curated reference libraries compounds that have the same chemical structure quickly identifies entries that are outliers. In cases where t...
Persistent Organic Pollutants in the East Antarctic Atmosphere: Inter-Annual Observations from 2010 to 2015 Using High-Flow-Through Passive Sampling.
Publication Type: Academic Journal
Source(s): Environmental Science & Technology. 12/5/2017, Vol. 51 Issue 23, p13929-13937. 9p.
Abstract: In the first multiyear sampling effort for POPs in the eastern Antarctic atmosphere, 32 PCBs and 38 organochlorine pesticides were targeted in air collected with a high-flow-through passive sampler. Agricultural chemicals were found to dominate atmosph...
Inter- and Intramolecular Bonding in 1,3,5-Triamino-2,4,6-trinitrobenzene: An Experimental and Theoretical Quantum Theory of Atoms in Molecules (QTAIM) Analysis.
Publication Type: Academic Journal
Source(s): Crystal Growth & Design. Oct2017, Vol. 17 Issue 10, p5200-5207. 8p.
Abstract: Chemical bonding in the triclinic phase of 1,3,5-triamino-2,4,6-trinitrobenzene (TATB) has been analyzed based on the experimental electron density derived from X-ray diffraction data obtained at 20 K. The results have been compared with those from sol...
Copper-Catalyzed Inter/Intramolecular N-Alkenylation of Benzimidazoles via Tandem Processes Involving Selectively Mild Iodination of sp³ C-H Bond at α-Position of Ester.
Publication Type: Academic Journal
Source(s): Journal of Organic Chemistry. 10/7/2016, Vol. 81 Issue 19, p8806-8815. 10p.
Abstract: Inter/intramolecular approaches to sp² C-N bond formation of N-alkenyl benzimidazoles have been accomplished in the presence of an iodide anion associated with a copper catalyst. Both intermolecular and intramolecular reactions included tandem processe...
Tracking Inter-Regional Carbon Flows: A Hybrid Network Model.
Publication Type: Academic Journal
Source(s): Environmental Science & Technology. 5/3/2016, Vol. 50 Issue 9, p4731-4741. 11p.
Abstract: The mitigation of anthropogenic carbon emissions has moved beyond the local scale because they diffuse across boundaries, and the consumption that triggers emissions has become regional and global. A precondition of effective mitigation is to explicitl...
Inter- and Intramolecular Interactions in Crystalline 2-Nitrobenzoic Acid--An Experimental and Theoretical QTAIM Analysis.
Publication Type: Academic Journal
Source(s): Journal of Physical Chemistry A. Dec2015, Vol. 119 Issue 52, p13092-13100. 9p.
Abstract: We have quantified the inter- and intramolecular interactions in crystalline 2-nitrobenzoic acid from QTAIM analysis of the topology of the electron density distribution obtained from both a low temperature (20 K) X-ray diffraction experiment and from ...
Copper-Catalyzed Inter- and Intramolecular C-N Bond Formation: Synthesis of Benzimidazole-Fused Heterocycles.
Publication Type: Academic Journal
Source(s): Journal of Organic Chemistry. 9/18/2015, Vol. 80 Issue 18, p9321-9327. 7p.
Abstract: A Cu (II)-catalyzed, inter/intramolecular C-N bond formation for the synthesis of various benzimidazole-fused heterocycles in a concise manner has been reported. The robustness of this reaction is demonstrated by the synthesis of a series of benzimidaz...
A Unified Approach to the Four Azaindoline Familiesby Inter-/Intramolecular Annulative Diamination of Vinylpyridines.
Publication Type: Academic Journal
Source(s): Organic Letters. Aug2015, Vol. 17 Issue 15, p3806-3809. 4p.
Abstract: An operationallystraightforward and metal-free inter-/intramolecularoxidative diamination of vinyl aminopyridines is a common gatewayto access all four azaindoline heterocycle families. 3-Amino azaindolinesare formed by the reaction of ortho-vinyl N-to...
Dynamic Characterization of Inter- and Intralamellar Domains of Cobalt-Based Layered Double Hydroxides upon Electrochemical Oxidation.
Publication Type: Academic Journal
Source(s): Chemistry of Materials. Nov2016, Vol. 28 Issue 21, p7793-7806. 14p.
Abstract: This work investigated in situ changes in the structure of the layered double hydroxides (LDH) during electrochemical processes as well as followed the ion motion related to the charge balancing process. Electrogravimetric measurements, using an electr...