A multinuclear NMR (13C, 15N and 29Si) study of the SiN bond in silylamines: (p – d) π interaction

✍ Scribed by M. L. Filleux-Blanchard; Nguyen Dinh An

• Publisher: John Wiley and Sons
• Year: 1979
• Tongue: English
• Weight: 409 KB
• Volume: 12
• Category: Article
• ISSN: 0749-1581
• DOI: 10.1002/mrc.1270120104

✦ Synopsis

Abstract

A series of variously substituted aminosilanes was investigated by ^15^N NMR spectroscopy to obtain further information on the controversial problem of pπ‐dπ interaction in these systems. The ^15^N NMR data are consistent with the ^13^C and ^29^Si results and suggest that the (p‐d)π backbonding is not negligible in these systems. The values of the ^15^N chemical shifts and the ^13^C parameters [δ^13^C and J(^13^CH)] are discussed in terms of nitrogen lone‐pair delocalization and provide a good basis for explaining the variations of the ^29^Si chemical shifts with the nature of the nitrogen atom substituents.