1‐alkynyldioxaborolanes: Determination of  1  J ( 13 C, 11 B) from  13 C NMR studies at 102°C | Zendy

Cheesman Bruce Victor | Zendy; Deloux Laurent | Zendy; Srebnik Morris | Zendy

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1‐alkynyldioxaborolanes: Determination of 1 J ( 13 C, 11 B) from 13 C NMR studies at 102°C

Author(s) -

Cheesman Bruce Victor,

Deloux Laurent,

Srebnik Morris

Publication year - 1995

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.1260330906

Subject(s) - chemistry , scalar (mathematics) , carbon 13 nmr , spectral line , carbon 13 , relaxation (psychology) , nuclear magnetic resonance , coupling (piping) , analytical chemistry (journal) , computational chemistry , stereochemistry , organic chemistry , physics , nuclear physics , geometry , quantum mechanics , psychology , social psychology , mathematics , mechanical engineering , engineering

Broad 13 C resonances, as the result of partially relaxed scalar 13 C 11 B coupling, were observed for the C‐1 and to a lesser extent C‐2 carbons of 1‐alkynyldioxaborolanes at 25°C. Measurement of the 13 C spectra at 102°C resulted in a slower 11 B quadrupolar relaxation rate and allowed the determination of 1 J ( 13 C, 11 B) scalar coupling from the resulting quadruplets for the C‐1 carbon.

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