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Advanced Functional Materials, EarlyView.This work introduces UV‐curable poly(thio)urethane (PSU) thermosets as 4D printable scaffolds responsive to oxidative stress. PSU networks with 100 wt.% polypropylene glycol (PPG) effectively suppress inflammatory markers in microglial cells to basal values.
Xabier Lopez de Pariza +10 more
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Tetrahedron, 1981
Abstract The solution conformation of bicyclo [3.1.0] hexan-3-one has been obtained by the use of the shifts induced in its 1H and 13C NMR by Yb(fod)3. Refinement of the angle of pucker, ∝, of the 5-membered ring indicates that the molecule adopts a flattened boat conformation with ∝ = 195°.
Raymond J. Abraham +2 more
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Abstract The solution conformation of bicyclo [3.1.0] hexan-3-one has been obtained by the use of the shifts induced in its 1H and 13C NMR by Yb(fod)3. Refinement of the angle of pucker, ∝, of the 5-membered ring indicates that the molecule adopts a flattened boat conformation with ∝ = 195°.
Raymond J. Abraham +2 more
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2012
This chapter examines conformational analysis. Even though no two molecules have exactly the same shape at any one time, they are still all the same chemical compound—they have all the same atoms attached in the same way. The different shapes of molecules of the same compound are called different conformations.
Jonathan Clayden +2 more
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This chapter examines conformational analysis. Even though no two molecules have exactly the same shape at any one time, they are still all the same chemical compound—they have all the same atoms attached in the same way. The different shapes of molecules of the same compound are called different conformations.
Jonathan Clayden +2 more
openaire +2 more sources
2020
The Point of The Exercise A flexible molecule will spend more time in its lowest energy conformation. Sometimes, a molecule has to adopt a particular conformation in order to undergo reaction.
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The Point of The Exercise A flexible molecule will spend more time in its lowest energy conformation. Sometimes, a molecule has to adopt a particular conformation in order to undergo reaction.
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Conformational analysis of sialyloligosaccharides
Carbohydrate Research, 1991The conformational properties of several sialyloligosaccharides present as terminal sequences in N- and O-linked carbohydrate groups of glycoproteins, have been analyzed based on the n.m.r. data of selected sialosides. The compounds examined include representatives of the alpha-D-NeuAc-(2----6)-beta-D-Gal-(1----4)-beta-D-GlcNAc, alpha-D-NeuAc-(2----3 ...
S, Sabesan, K, Bock, J C, Paulson
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Conformational analysis of xyloglucans
International Journal of Biological Macromolecules, 1990Xyloglucan isolated from the elongating regions of pea stems was examined using X-ray diffraction and energy calculations. The X-ray fibre pattern suggested that the backbone (1----4)-beta-D-glucan takes an extended two-fold helix similar to common cellulose.
K, Ogawa, T, Hayashi, K, Okamura
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Tetrahedron, 1974
Abstract It is concluded that the gauche-butane interaction which is one of the cornerstones of conformational analysis has been incorrectly interpreted as to origin, and that the gauche relationship between methyl (or methylene) groups is not the cause of the relative instability of gauche conformations.
David H. Wertz, Norman L. Allinger
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Abstract It is concluded that the gauche-butane interaction which is one of the cornerstones of conformational analysis has been incorrectly interpreted as to origin, and that the gauche relationship between methyl (or methylene) groups is not the cause of the relative instability of gauche conformations.
David H. Wertz, Norman L. Allinger
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Conformational analysis—LXXXIII
Tetrahedron, 1972Abstract The structures and energies of a number of silanes have been studied by the method of molecular mechanics, and the results are compared with the available experimental data, and with the hydrocarbon analogs. Torsional barriers are relatively small and gauche interactions are unimportant in the silanes, which leads to several unusual ...
M.T. Tribble, N.L. Allinger
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Glycine conformational analysis
Journal of the American Chemical Society, 1993Ab initio quantum mechanical methods, including the self-consistent field (SCF), single and double excitation configuration interaction (CISD), the single and double excitation coupled cluster (CCSD), and the single, double, and perturbative triple excitation coupled cluster [CCSD(T)] have been applied to five C s conformers and four of their C l ...
Ching Han Hu +2 more
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Journal of Chemical Education, 1976
This paper examines historical inaccuracies resulting from an inquiry into the conformational analysis of C2HCl5.
Frank Brescia, Pietro Mangiaracina
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This paper examines historical inaccuracies resulting from an inquiry into the conformational analysis of C2HCl5.
Frank Brescia, Pietro Mangiaracina
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