Relevant bibliographies by topics / N-methylacetamide

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  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
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Academic literature on the topic 'N-methylacetamide'

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Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "N-methylacetamide"

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Mirkin, Noemi G., and Samuel Krimm. "Conformers of trans-N-methylacetamide." Journal of Molecular Structure 242 (January 1991): 143–60. http://dx.doi.org/10.1016/0022-2860(91)87133-3.

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Graziano, Giuseppe. "Hydration Thermodynamics of N-Methylacetamide." Journal of the Physical Society of Japan 69, no. 11 (November 15, 2000): 3720–25. http://dx.doi.org/10.1143/jpsj.69.3720.

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Luo, Zhong-Hua, Shan Liu, Shui-Ping Deng, Hong-Jun Zhu, and Hong-Sheng Jia. "2-(4-Fluorophenoxy)-N-methylacetamide." Acta Crystallographica Section E Structure Reports Online 63, no. 3 (February 7, 2007): o1099—o1100. http://dx.doi.org/10.1107/s1600536807003376.

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The asymmetric unit of the title compound, C9H10FNO2, contains two molecules. Intra- and intermolecular N—H...O and C—H...F hydrogen bonds link the molecules into a three-dimensional framework; they seem to be effective in the stabilization of the crystal structure.
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Gowda, B. Thimme, Sabine Foro, and Hartmut Fuess. "N-(2,6-Dimethylphenyl)-2-methylacetamide." Acta Crystallographica Section E Structure Reports Online 64, no. 2 (January 9, 2008): o380. http://dx.doi.org/10.1107/s1600536807068419.

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Graziano, Giuseppe. "Hydration Thermodynamics of N-Methylacetamide." Journal of the Physical Society of Japan 70, no. 7 (July 15, 2001): 2234. http://dx.doi.org/10.1143/jpsj.70.2234.

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Mirkin, Noemi G., and Samuel Krimm. "Conformers of cis-N-methylacetamide." Journal of Molecular Structure: THEOCHEM 236, no. 1-2 (November 1991): 97–111. http://dx.doi.org/10.1016/0166-1280(91)87010-j.

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Li, Cui, Peter Salén, Vasyl Yatsyna, Luca Schio, Raimund Feifel, Richard Squibb, Magdalena Kamińska, et al. "Experimental and theoretical XPS and NEXAFS studies of N-methylacetamide and N-methyltrifluoroacetamide." Physical Chemistry Chemical Physics 18, no. 3 (2016): 2210–18. http://dx.doi.org/10.1039/c5cp06441d.

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Lazareva, N. F., and A. Yu Nikonov. "Synthesis of N-[chloro(dimethyl)silyl]-N-methylacetamide." Russian Chemical Bulletin 64, no. 4 (April 2015): 965–66. http://dx.doi.org/10.1007/s11172-015-0965-8.

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Kuznetsova, L. M., V. L. Furer, and L. I. Maklakov. "Infrared intensities of N-methylacetamide associates." Journal of Molecular Structure 380, no. 1-2 (June 1996): 23–29. http://dx.doi.org/10.1016/0022-2860(95)09209-9.

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Kondo, Yasuhiko, Akikazu Nakano, and Shigekazu Kusabayashi. "Characterization of anion solvation in N-methylacetamide. Transfer enthalpies of anions and the reaction rates of ethyl iodide with bromide ion in N-methylacetamide–acetonitrile and N-methylacetamide–N,N-dimethylacetamide mixtures." Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases 82, no. 7 (1986): 2141. http://dx.doi.org/10.1039/f19868202141.

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Dissertations / Theses on the topic "N-methylacetamide"

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Allison, Susan. "Intermolecular structure and dynamics of aqueous N-methylacetamide." Thesis, University of Edinburgh, 2007. http://hdl.handle.net/1842/2427.

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The twin questions of how and why protein molecules fold into the specific topologies which enable them to fulfill their biological function have been the subject of continuous scientific investigation since the early twentieth century. Interactions between biological macromolecules and water are obviously crucial to both folding and function but attempts to gain understanding are impeded by the size and complexity of these systems. A useful approach is to consider much simpler model systems which capture some essential element of real biological systems but are experimentally and theoretically tractable. N-methylacetamide (NMA) is a minimal model of the peptide linkage which forms the backbone of protein molecules. Its behaviour in aqueous solution therefore captures the important competition between peptide - peptide and peptide - water hydrogen bonds which arises in protein hydration. In this thesis aqueous NMA solutions are studied across the full concentration range using classical molecular dynamics simulation. This gives access to the complete spectrum of behaviour between the two important limiting cases of dilute NMA in water and, conversely, dilute water in NMA. Water is now known to be an active player in biological interactions and the simple system studied here displays significant disruption of the structure and dynamics of pure water with the addition of only a small proportion of peptide groups. At dilute NMA concentrations water molecules continue to form system-size hydrogen bonded networks. Water molecules appear to optimise their local tetrahedral order by forming hydrogen bonds with a combination of NMA and water neighbours, rather than solely with members of their own species. NMA molecules hydrogen bond through the amide and carbonyl groups to form linear and branched chains in both the pure liquid and in the aqueous solutions. In the NMA rich region water molecules preferentially donate both hydrogens to chain-end or midchain carbonyl oxygens, forming bridges between NMA chains which resemble buried water configurations found in protein cavities. These bridge structures are thought to contribute to the observed slowing of the system dynamics at these concentrations. The investigation of dynamics by classical simulation is complemented by a quasielastic neutron scattering study of NMA in its liquid and aqueous phases.
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McCracken, Justine M. (Justine Meghan) 1979. "Hydrogen bonding and solvation dynamics of n-methylacetamide in denatured water (D₂O) or denatured chloroform (CDCl₃) from nonlinear spectroscopy." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/28314.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2004.
Vita.
Includes bibliographical references (p. 34-35).
Hydrogen bonding between N-methylacetamide (NMA) and different solvents (D₂O or CDCl₃) was studied by using two-dimensional infrared spectroscopy to probe the frequency fluctuations of the amide I mode of the solvated NMA. An iterative fitting approach was used to extract a correlation function from the experimental data. The correlation function for NMA/D₂O was found to be biexponential with decay constants of 1050 fs and [approximately]50 fs. These timescales are interpreted as reflecting the collective rearrangement of the solution hydrogen bonding network and oscillation of the hydrogen bond bound to the NMA molecule respectively. The correlation function for NMA/CDCl₃ was found to decay on three timescales with two decay constants of 1600 fs and [approximately]50 fs, and a long time quasi-inhomogeneous component.
by Justine M. McCracken.
S.M.
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FONTAINE, JEAN-PIERRE, and F. FILLAUX. "Etude par diffusion inelastique des neutrons de la dynamique des protons et calcul du champ de force du n-methylacetamide." Paris 6, 1993. http://www.theses.fr/1993PA066551.

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Les spectres de diffusion inelastique des neutrons (din) de quatre des derives isotopiques du n-methylacetamide (ch#3conhch#3, cd#3conhch#3, ch#3conhcd#3, cd#3conhcd#3) ont ete enregistres a 20k dans la gamme 30-4000 cm#-#1. Les frequences des bandes din sont comparees a celles des bandes obtenues en infrarouge et en raman a basse temperature. Dans le cadre de l'approximation du champ de force harmonique, la simulation quantitative des intensites de diffusion inelastique des neutrons du proton (n)h montre que la dynamique de celui-ci est completement differente de celle generalement admise. Le modele de la liaison de valence ne permet pas de reproduire les spectres observes: la dynamique du proton est independante de celle du squelette moleculaire. Une description phenomenologique est proposee, fondee sur la description des modes (n)h en termes de modes localises. De plus, les intensites din calculees revelent que le mode d'elongation (n)h doit etre attribue a la frequence 1575 cm#-#1. Il s'agit d'une interpretation tout a fait nouvelle: les attributions precedentes, fondees sur des donnees infrarouge et raman, donnaient ce mode a la frequence 3250 cm#-#1. La dynamique du proton (n)h est associee a l'affaiblissement de la liaison n-h consequence du caractere ionique de la liaison hydrogene (n##-h#+o##'#-) et du transfert de proton. Les spectres infrarouge et raman ont ete reconsideres et une nouvelle attribution des bandes amide est proposee en termes d'echange dynamique du proton (n)h entre les formes amidique (ocnh) et imidolique ((ho)cn) du n-methylacetamide dans des chaines infinies de molecules liees par liaison hydrogene
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Regan, David Gabriel. "NMR DIFFUSION MEASUREMENTS OF COMPARTMENTALIZED AND MULTICOMPONENT BIOLOGICAL SYSTEMS: Studies of Tropoelastin, the Self Association of N Methylacetamide, and q-Space Analysis of Real and Model Cell Suspensions." University of Sydney. School of Molecular and Microbial Biosciences, 2002. http://hdl.handle.net/2123/514.

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Molecular diffusion is an inherent feature of all fluid systems. The processes and interactions that characterize these systems are in some way dependent upon the mobility of the component molecules. Pulsed field-gradient spin-echo nuclear magnetic resonance (PGSE NMR) is a powerful tool for the study of molecular diffusion; for heterogeneous systems, such as those typically found in biology, this technique is unsurpassed in the diversity of systems that yield to its probing. The aim of the work presented in this thesis was to use an integrated NMR-based approach, in conjunction with computer modeling, for the study of molecular diffusion in compartmentalized and multicomponent biological systems. Erythrocyte suspensions provided an ideal experimental system for the study of compartmentalized diffusion in cells. Water exchanges rapidly between the intra- and extracellular regions and, as the major constituent of the cell, provides a strong and predominant proton NMR signal. In addition, the cells are known to align in the strong static magnetic field of the spectrometer. As a consequence of these two properties, the signal intensity from a suitably designed series of PGSE NMR experiments exhibits a series of maxima and minima when graphed as a function of the magnitude of the spatial wave number vector q. The apparently periodic phenomenon is mathematically analogous to optical diffraction and interference and is referred to here as diffusion-coherence. It is the characterization of this phenomenon, with the aid of computer-based models, which was the focus of a major section of the work described herein. Two quite distinct molecular systems formed the basis of the work in which I investigated diffusion in multicomponent systems. Both systems involved molecules that undergo self-association such that at equilibrium a population distribution of different oligomeric species is present. The first of these was tropoelastin, the monomeric subunit of elastin, which under certain conditions aggregates to form a coacervate. The second system was N-methylacetamide (NMA) which also undergoes extensive self-association. NMA oligomers have previously been studied as peptide analogues due to the presence in the monomer of a peptide linkage. In this work the aim was to use PGSE NMR diffusion measurements, in a manner that is in many ways analogous to analytical ultracentrifugation, to obtain estimates of hydrodynamic and thermodynamic parameters. Computer modeling was also used extensively in this section of work for the interpretation of the experimental data.
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Lee, Shih-Wei, and 李師偉. "SYNTHESIS OF (R)-5-{1-[(3,4-DICHLOROPHENYL)-N-METHYLACETAMIDO]-2-(1-PYRROLIDINYL)ETHYL}-DIHYDRO-3-METHYLENE-2(3H)-FURANONE AS AN IRREVERSIBLE KAPPA OPIOID LIGAND." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/50628372184483867282.

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碩士
國立臺灣大學
藥學研究所
87
英文摘要 2-(3,4-dichlorophenyl)-N-methyl-N-[2-(1-pyrrolidinyl)-1-phenyl-ethyl]-acetamide (ICI199,441) was among a recently reported series of potent  selective opioids. The objective of this study is the synthesis of (R)-5-{1-[(3,4-dichlorophenyl)-N-methylacetamido]-2-(1-pyrrolidinyl)-ethyl}-dihydro-3-methylene-2(3H)-furanone(1) as an irreversible  opioid ligand. Compound 1 differs from ICI199,441 in that the phenyl ring is replaced by an -methylene-γ-butyrolactone moiety. Compound 1 is expected to retain the high affinity and selectivity towards the  opioid receptor, which the -methylene-γ-butyrolactone moiety may form a covalent bond with the receptor. The synthetic route starting from (R)-(+)-glycidol (3) was first attempted. Compound 3 was first converted to its silyl ether 4, which underwent epoxide opening with N-benzylmethylamine to give 5. Compound 5 was subjected to mesylate formation, followed by displacement with pyrrolidine to give diamine 7. Compound 7 then underwent debenzylation via hydrogenolysis, amide formation with 3,4-dichlorophenyl acetic acid, and desilylation to give (R)-N-[1-hydroxy-3-(1-pyrrolidinyl)prop-2-yl]-N-methyl-3,4-dichlorophenylacetamide(10). However, under a variety of oxidation conditions, compound 10 failed to give the desired aldehyde intermediate 11. We then tried to obtain 11 via reduction of the corresponding ester 2. Thus, N-(t-Boc)-D-serine methyl ester was first protected by treatment with TBDMSCl to give compound 20, which underwent the undesirable - elimination during attempts of N-methylation. With the free acid N-Boc-O-benzyl-D-serine (14), the N-methylation was successfully executed to give compound 15. Compound 15 was then successfully converted to ester 2. However, the reduction of 2 with DIBAL-H has failed to give cleanly the corresponding aldehyde 11, probably due to its instability. With a shift of our target compound from 1 to its methyl analog 1a, ester 2 was converted to the less-reactive methyl ketone 2a, albeit in very low yields. Finally, the less reactive intermediate N-Boc-O-TBDMS-D-serine (26) was converted to the corresponding methyl ketone 27 in satisfactory yields. Compound 27 was also subjected to Reformatsky reaction with ethyl -(bromomethyl)acrylate to give -methylene-γ-butyrolactone derivative 28. In progress is the attemp to convert intermediate 27 to target compound 1a.
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Book chapters on the topic "N-methylacetamide"

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Demaison, J. "354 C3H7NO N-Methylacetamide." In Asymmetric Top Molecules. Part 2, 197–98. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-10400-8_102.

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Wohlfarth, Ch. "Viscosity of N-methylacetamide." In Supplement to IV/18, 159. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75486-2_73.

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Wohlfarth, Christian. "Viscosity of N-methylacetamide." In Viscosity of Pure Organic Liquids and Binary Liquid Mixtures, 78. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49218-5_69.

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Wohlfarth, Christian. "Refractive index of N-methylacetamide." In Optical Constants, 112. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49236-9_104.

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Wohlfarth, Christian. "Surface tension of N-methylacetamide." In Surface Tension of Pure Liquids and Binary Liquid Mixtures, 41. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-48336-7_38.

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Holze, Rudolf. "Ionic conductivities of N-methylacetamide." In Electrochemistry, 73–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49251-2_61.

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Holze, Rudolf. "Ionic conductivities of N-methylacetamide." In Electrochemistry, 166. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49251-2_149.

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Wohlfarth, Christian. "Static dielectric constant of N-methylacetamide." In Static Dielectric Constants of Pure Liquids and Binary Liquid Mixtures, 42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48168-4_41.

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Hirota, E., K. Kuchitsu, T. Steimle, J. Vogt, and N. Vogt. "26 C3H5Cl2NO 2,2-Dichloro-N-methylacetamide." In Molecules Containing Three or Four Carbon Atoms and Molecules Containing Five or More Carbon Atoms, 56. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41504-3_27.

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Holze, Rudolf. "Ionic conductivities of LiNO3 + N-methylacetamide." In Electrochemistry, 53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49251-2_44.

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Conference papers on the topic "N-methylacetamide"

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Hunt, Neil T., David A. Turton, and Klaas Wynne. "Understanding the Building Blocks of Life – Evidence of Hydrogen-Bonded Aggregation of N-Methylacetamide." In International Conference on Ultrafast Phenomena. Washington, D.C.: OSA, 2006. http://dx.doi.org/10.1364/up.2006.tug4.

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Kumar, Raman, V. S. Rangra, Alka B. Garg, R. Mittal, and R. Mukhopadhyay. "Molecular Association between N-methylacetamide and Dimethylsulphoxide Using Dielectric Relaxation Measurements in the Microwave Region." In SOLID STATE PHYSICS, PROCEEDINGS OF THE 55TH DAE SOLID STATE PHYSICS SYMPOSIUM 2010. AIP, 2011. http://dx.doi.org/10.1063/1.3605960.

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Liedberg, Bo, Christer Tornkvist, and Ingemar Lundstrom. "An Infrared Study Of N-Methylacetamide On Solid Surfaces: A Model Molecule For The Peptide Group In Proteins." In Intl Conf on Fourier and Computerized Infrared Spectroscopy, edited by David G. Cameron. SPIE, 1989. http://dx.doi.org/10.1117/12.969395.

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Reports on the topic "N-methylacetamide"

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Castner, E. W. Temperature-dependence of the ultrafast intermolecular dynamics of Amides: Formamide, N-methylformamide, N,N-dimethylformamide, N- methylacetamide, and N-methylpropionamide from 290-370 K. Office of Scientific and Technical Information (OSTI), June 1996. http://dx.doi.org/10.2172/249036.

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Firman, Paul, Edward M. Eyring, Meizhen Xu, Andrea Marchetti, and Sergio Petrucci. Static, Microwave, Infrared, and Visible Permittivity Related to chemical Structure: N-Methylacetamide, N-dimethyl Acetamide and their Mixtures in CCl4 at 32 Deg. C. Fort Belvoir, VA: Defense Technical Information Center, June 1991. http://dx.doi.org/10.21236/ada246364.

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