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Sign-sensitive determination of heteronuclear dipolar coupling to spin-1 by selective decoupling

✍ Scribed by Kharkov, B. B.; Chizhik, V. I.; Dvinskikh, S. V.

Book ID
118743091
Publisher
American Institute of Physics
Year
2012
Tongue
English
Weight
758 KB
Volume
137
Category
Article
ISSN
0021-9606

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The sign 'J(NN) of 2-chlor0-6-methyl-['~N,]pyrimidine has been determined by 'H-('H (selective), "N (selective)} and 13C-(1H (noise), I5N (selective)} triple resonance techniques. The sign was proved to be negative (-1.6 Hz); consequently, chlorine substitution at C-2 was found to make ' . I ( " ) m