1H, 13C, and 29Si NMR spectra of 1-methylazasilatrane View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

1977-08

AUTHORS

S. N. Tandura, V. A. Pestunovich, M. G. Voronkov, G. I. Zelchan, I. I. Solomennikova, É. Ya. Lukevits

ABSTRACT

Considerable shielding of the 1H and 29Si nuclei due to transannular nitrogen-silicon coupling, which is expressed more clearly than in the case of silatranes, was established on the basis of 1H, 13C, and 29Si NMR data for the methylsilyl group in 1-methyl-2,5,8,9-tetraaza-1-silatricyclo[3.3.3.01,5]undecane (1-methylazasilatrane) and a comparison of these data with the data for the methyl[tris(dimethylamino)]silane model. It is shown that the change in the hybridization of the silicon atom associated with the increase in its coordination number is not only reflected in the chemical shifts but also leads to an increase in 1JCH and 2JSiH. More... »

PAGES

854-855

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf00488908

DOI

http://dx.doi.org/10.1007/bf00488908

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1027533156


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