An ab Initio Theory and Density Functional Theory (DFT) Study of Conformers of Tetrahydro-2H-pyran [PDF]
, 2016 Ab initio theory with the 3-21G, 6-31G(d), 6-31G(d,p), 6-311G(d,p), 6-31+G(d), and 6-311+G(d,p) basis sets and density functional theory (SVWN, pBP, BLYP), including the hybrid density functional methods B3LYP, B3PW91, and B3P86, have been used to ...
Fillmore Freeman (1622065) +2 more
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Acta Crystallographica Section E: Crystallographic Communications, 2015 In the title compound, C15H18N2O5, the methoxyphenyl ring makes a dihedral angle of 84.70 (12)° with the mean plane of the tetrahydropyrimidin-2(1H)-one ring.
A. Dhandapani +3 more
doaj +1 more source
N‐Sulfonyl Azalevoglucosan: A Versatile Platform for the Synthesis of Polysubstituted Piperidines
Chemistry – A European Journal, EarlyView.Gain by strain: The synthesis of a levoglucosan analog, in which the pyranose oxygen has been replaced by a nitrogen, allows navigation on the piperidine ring to iteratively install functional groups at C1, C2, C3, C4, and C6 positions using simple experimental protocols with minimal protecting group manipulation.
Dylan Yorga +6 more
wiley +1 more source
Synthesis, Electrochemistry, and Electroluminescence of Novel Red-Emitting Poly(p-phenylenevinylene) Derivative with 2-Pyran-4-ylidene−Malononitrile Obtained by the Heck Reaction [PDF]
, 2016 A novel red-emitting polymer, poly{1,4-phenylenevinylene-(4-dicyanomethylene-4H-pyran)-2,6-vinylene-1,4-phenylenevinylene-2,5-bis(dodecyloxy)-1,4-phenylenevinylene} (PM-PPV), was prepared by the Heck coupling reaction between 2-{2,6-bis[2-(4-bromophenyl ...
Hoosung Lee (2498959) +1 more
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Three-component reaction between 2-hydroxymethyl-5-phenylamino-pyran-4-one and aromatic acyl chlorides with potassium selenocyanate: Synthesis of 2-aryl-6-hydroxymethyl-1-phenyl-4-selenoxo-1,4-dihydro-pyrano[3,2-d]pyrimidin-8-one [PDF]
, 2023 We report an efficient method for the synthesis of 2-aryl-6-hydroxymethyl-1-phenyl-4-selenoxo-1,4-dihydro-pyrano[3,2-d]pyrimidin-8-one from the condensation of potassium selenocyanate and aromatic acyl chlorides with 2-hydroxymethyl-5-phenylamino-pyran-4-
Mohammad R. Nateghi (16992406) +3 more
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Effects of Pyran-Ring Structure in Carbon Sources on the Electrochemical Performance of LiFePO4/C
International Journal of Electrochemical Science, 2013 Nano-sized LiFePO4/C (LFP/C) with excellent electrochemical performance was prepared by using carbon precursors with different pyran-ring structures as carbon sources.
Baohua Li +9 more
doaj +1 more source
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Hierarchically porous, N‐doped freestanding anode enables reversible Na+ insertion/desorption and Na–Co alloying, delivering fast kinetics, structural robustness, and durable sodium‐storage performance even under bending/folding. To develop a green, sustainable, and high‐performance anode for sodium‐ion batteries (SIBs), flexible biomass‐based carbon ...
Yuqiong He +8 more
wiley +1 more source
Synthesis of pyran and related natural products [PDF]
, 2012 This study was aimed at preparing dihydropyrans (DHPs) for the synthesis of 2,6-disubstituted tetrahydropyrans (THPs) in a diastereoselective manner. In an attempt to develop a novel methodology for the synthesis of DHPs from δ-hydroxy-β-ketoester and ...
Yeung, Bun
core
Design and Synthesis of Novel 4‑Hydroxyl-3-(2-phenoxyacetyl)-pyran-2-one Derivatives for Use as Herbicides and Evaluation of Their Mode of Action [PDF]
, 2019 In order to develop a novel herbicide containing the β-triketone motif, a series of 4-hydroxyl-3-(2-phenoxyacetyl)-pyran-2-one derivatives were designed and synthesized.
Kang Lei (2823794) +8 more
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Beilstein Journal of Organic Chemistry, 2016 An efficient diastereoselective approach for the synthesis of functionalized 3,4-dihydro-2H-pyran-4-carboxamides with variable frame was developed based on the reaction of available 4-oxoalkane-1,1,2,2-tetracarbonitriles (adducts of TCNE and ketones ...
Mikhail Yu. Ievlev +5 more
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