Measurement of long‐range proton—carbon coupling constants in medium‐sized molecules | Zendy

Hricovíni Miloš | Zendy; Liptaj Tibor | Zendy

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Measurement of long‐range proton—carbon coupling constants in medium‐sized molecules

Author(s) -

Hricovíni Miloš,

Liptaj Tibor

Publication year - 1989

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1260271108

Subject(s) - chemistry , pulse sequence , proton , range (aeronautics) , molecule , coupling constant , spectral line , coherence (philosophical gambling strategy) , carbon fibers , relaxation (psychology) , pulse (music) , analytical chemistry (journal) , nuclear magnetic resonance , molecular physics , optics , detector , nuclear physics , organic chemistry , physics , quantum mechanics , psychology , social psychology , materials science , composite number , composite material

A modified version of the two‐dimensional semiselective INEPT experiment is presented which allows the determination of long‐range proton‐carbon couplings in medium‐sized molecules. The difference in the T 1 relaxation times is utilized for the reduction of the number of protons from which coherence is transferred. This results in a simplification of the 1D and 2D spectra obtained. The capability of the proposed pulse sequence is demonstrated by the determination of the long‐range couplings in a model molecule.

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