Untersuchungen zum elektronischen einfluss von organylliganden: IV. 13C-NMR-spektroskopische untersuchung der gegenseitigen beeinflussung von organylliganden in triethylzinnorganylverbindungen期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Untersuchungen zum elektronischen einfluss von organylliganden: IV. 13C-NMR-spektroskopische untersuchung der gegenseitigen beeinflussung von organylliganden in triethylzinnorganylverbindungen

Authors:	Dirk Steinborn Michael Buthge Rudolf Taube Reiner Radeglia Klaus Schlothauer Karin Nowak

Affiliation:	Technische Hochschule “Carl Schorlemmer”, Leuna—Merseburg, Sektion Chemie und Sektion Physik, 4200 Merseburg DDR

Abstract:	By means of ¹³C NMR spectroscopy, the coupling constants ¹J(¹¹⁹Sn¹³C_Et) of 18 compounds of the SnEt₃R type (R = organo group) have been measured. These coupling constants have been shown to reflect the change induced by R in the s-content of the tin hybrid orbitals of the SnCEt bonds. The series of the influence of R obtained on the basis of the coupling constant mentioned as a parameter is compared with a trans-influence series of R obtained on organo-mercury compounds. Occurring differences are attributed to different modes of bonding of the group R at the central atom.

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