Open AccessBook
Carbon-13 NMR spectroscopy
Eberhard Breitmaier,Gerhard Bauer +1 more
- 01 Jan 1987
904
TL;DR: This new edition has been completely revised to take into account new techniques and the increased use of computers, including those for multiplicity analysis and two-dimensional homo- or hetero-nuclear shift correlations.
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Abstract: Features in this edition are references (over 1,000), profuse illustration, a discussion of modern pulse techniques for spectral analysis, and extensive and thorough cataloguing of chemical shift data (over 200 pages) in readily accessible form. An attractive feature is the use of structural formulae with shifts inscribed in the structure. This new edition has been completely revised to take into account new techniques and the increased use of computers. The new methods described include those for multiplicity analysis and two-dimensional homo- or hetero-nuclear shift correlations. New sections about coupling constants, organophosphorus and organometalic compounds as well as synthetic polymers have been added. As in the second edition, the authors survey the large number of /sup 13/C NMR applications to organic molecule and natural products in a representative and systematic rather than an exhaustive way.
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Citations
Antioxidant activity, total phenolic content and skin care properties of 35 selected plants from Galicia (NW Spain)
TL;DR: The results suggest that some Galician plants extracts have promising skin care properties and could be used as natural antioxidants in cosmetics, pharmaceutical, and food materials.
14
Bioactive metabolites from new or rare fimicolous fungi with antifungal activity against plant pathogenic fungi
Sabrina Sarrocco,Stefania Diquattro,Fabiana Avolio,Alessio Cimmino,Grazia Puntoni,Francesco Doveri,Antonio Evidente,Giovanni Vannacci +7 more
TL;DR: Three fimicolous isolates of Cleistothelebolus nipigonensis, Neogymnomyces virgineus and Rodentomyces reticulatus, collected from dung of different herbivorous mammal dung, showed strong antifungal activity against fungal pathogens of some important crops.
14
Phenolic Compounds from Elsholtzia bodinieri Van't
TL;DR: In this paper, seven phenolic compounds, including one new compound trans-3,4,3,5'-tetrahydroxy-4'-methylstilbene 4-O-β,D-xylopyranosyl-(1→6)-β-D)-glucopyraniumide (1), together with six known compounds (+)-hinokiol (2), 6-hydroxy-5,7-dimethoxycoumarin (3), caffeic acid (4), vanillic acid(5), 4-
14
Processing of β-BaB2O4 thin films through metal organics
TL;DR: In this article, β-BaB2O4 (β-BBO) thin films were successfully synthesized by the sol-gel method using metallo-organic compounds.
13
•Journal Article
Two Alkaloids from Ephedra aphylla growing in Egypt
TL;DR: The aerial parts of Ephedra aphylla afforded two alkaloids belonging to two different classes, one belonging to the spermine alkaloid, a group characterized by its hypotensive effect and the other, hordenine, a phenylalkylamine alkaloidal isolated for the first time fromEphedra Species.
13
References
•Book
Carbon-13 nuclear magnetic resonance for organic chemists
George C. Levy,Gordon L. Nelson +1 more
- 01 Jan 1972
TL;DR: In this paper, the effect of further substitution of the heteroatom X of the P=X bond on the structure of the molecule and the spectral characteristics has been investigated and an experimental study of their vibrational spectra has been made and for selected models of (I) a calculation of the frequencies and modes of the normal vibrations has been carried out by means of a computer program.
987
Nachweis gehinderter Rotationen und Inversionen durch NMR‐Spektroskopie
TL;DR: Rotamere and Invertomere synthetisieren in organischen Molekulen geben sich durch die Temperaturabhangigkeit der NMR-Spektren zu erkennen as mentioned in this paper.
431
Verschiebungsreagentien in der NMR‐Spektroskopie
TL;DR: The NMR-Spektroskopie is eine nicht minder nutzliche, doch weitaus weniger kostspielige "technik" bereichert worden, die hauptsachlich auf chemischen and spektros-kopischen Erfahrungen beruht as discussed by the authors.
98
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