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Determination of Connectivities via Small Proton‐Carbon Couplings with a New Two‐Dimensional NMR Technique
Author(s) -
Kessler Horst,
Griesinger Christian,
Lautz Jörg
Publication year - 1984
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198404441
Subject(s) - homonuclear molecule , proton , coupling (piping) , nuclear magnetic resonance spectroscopy , chemistry , range (aeronautics) , physics , molecule , materials science , stereochemistry , nuclear physics , organic chemistry , metallurgy , composite material
The novel two‐dimensional NMR technique H,C‐COLOC enabled the constitutions of the photolysis products 1 and 2 referred to in the preceding article to be determined. In H,C‐COLOC spectroscopy, use is made of proton‐carbon coupling over two and three bonds. This technique, in which the homonuclear proton coupling are absent, offers several advantages over conventional H,C shift correlations using long‐range couplings.