A Method for the Rapid and Simple Measurement of the Magnitude and Relative Sign of  1 H– 19 F Coupling Constants | Zendy

Espinosa Juan F. | Zendy; Broughton Howard | Zendy

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A Method for the Rapid and Simple Measurement of the Magnitude and Relative Sign of 1 H– 19 F Coupling Constants

Author(s) -

Espinosa Juan F.,

Broughton Howard

Publication year - 2013

Publication title -

european journal of organic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.825

H-Index - 155

eISSN - 1099-0690

pISSN - 1434-193X

DOI - 10.1002/ejoc.201300611

Subject(s) - chemistry , coupling constant , sign (mathematics) , coupling (piping) , proton , analytical chemistry (journal) , magnitude (astronomy) , constant (computer programming) , spectrum (functional analysis) , simple (philosophy) , atomic physics , physics , nuclear physics , quantum mechanics , mathematical analysis , mechanical engineering , mathematics , astronomy , engineering , philosophy , epistemology , chromatography , computer science , programming language

A novel methodology based on a carbon‐selective 1D HSQC experiment is proposed for the determination of 1 H– 19 F coupling constants. The method offers rapid access to 1 H– 19 F coupling constants that cannot be directly measured from the 1 H NMR spectrum due to the complexity and/or broadening of the proton signals or because the values are very small. As an additional benefit, the method also provides the relative sign of the 1 H– 19 F coupling constant.

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