0 - 1 2 - 4 1 4 2 3 4 - 3 ebook isbn: 9780323145503 9 7 8 - 0 - 3 2 3 - 1 4 5 5 0 - 3 institutional subscription on sciencedirect request a sales quote carbon-13 nmr spectroscopy focuses on the potential of 13c techniques and the practical difficulties associated with the ...
carbon-13 NMR spectroscopydistortionless enhancement - by polarization transfer (DEPT) pulse sequence2-D proton–carbon (single bond) correlated spectroscopyHSQC techniqueDEPT-edited HSQC of morpholine compoundHMQC/HSQC spectra - useful in resolving problems2-D proton–carbon (multiple bond) correlated ...
M. Carbon-13 NMR Spectroscopy of Naturally Occurring substances. In: Levy, G. C. eds. (1976) Ropics in Carbon-13 NMR Spectroscopy. Wiley-Interscience, New Yorkpp. 81Wenkert , E., E. W. Hagaman , N. Kunesch , N. Wang . and B. Zsadon : 13C Nmr Spectroscopy of Naturally ...
Analyse carbon-13 NMR spectra to make predictions about the different types of carbon atoms present. Predict the chemical shifts of carbons within a given molecule. Carbon-13 NMR Spectroscopy 12C atoms do not have nuclear spin, but 1.1% of carbon atoms are 13C and these do have nuclear spin...
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A discussion of C-13 NMR spectroscopy is followed by 125 problems, each consisting of a molecular formula, two types of C-13 NMR spectra (partially and completely proton decoupled, with connecting lines to facilitate multiplicity assignments), an integrated H-I NMR spectrum, and the most ...
Carbon-13 NMR Spectroscopy 作者:Eberhard Breitmaier/Wolfgang Voelter 出版社:Wiley-VCH 副标题:High-Resolution Methods and Applications in Organic Chemistry and Biochemistry, 3rd Edition 出版年:1986-12-10 定价:USD 285.00 装帧:Hardcover ISBN:9783527264667...
Carbon-13 NMR spectroscopy of nigritanins... M Nicoletti,JU Oguakwa,I Messana - 《Fitoterapia》 被引量: 0发表: 1980年 Strynuxlines A and B, alkaloids with an unprecedented carbon skeleton from Strychnos nux-vomica. C-13 NMR-SPECTROSCOPYWALLICHIANASEEDSBIOSYNTHESISBARKThe investigation of the ...
In principal 13C-NMR spectroscopy is a much more powerful technique for structure determination. 2 Even though the fir$t spectrum was observed in 1957 by Lauter-bur the low natural abundance of 13C (1.1%) and low sensitivity compared with 1H (1.59%) has delayed its routine application until...
by 13C NMR spectroscopy. 1,3-Insertion of propylene units during copolymn. was confirmed. [on SciFinder (R)]GrassiAmmendolaLongoGrassi, et al., " 13C NMR Analysis of Copolymers of Propene with 13C-Enriched Ethylene Prepared in the Presence of Different Stereospecific ...