The γ-Gauche Effect in the Se–Ge(α)–C(β)–C(γ) System as Detected by77Se-NMR

Autor:	Yoshito Takeuchi, Shuji Tomoda, Masakatsu Shimoda
Rok vydání:	1989
Předmět:	Steric effects Crystallography Chemistry Stereochemistry Gauche effect General Chemistry Nuclear magnetic resonance spectroscopy
Zdroj:	Chemistry Letters. 18:1373-1376
ISSN:	1348-0715 0366-7022
DOI:	10.1246/cl.1989.1373
Popis:	The steric compression effect (γ-effect) of γ-carbon on 77Se chemical shift in mono- and diselenogermanes has been first evaluated by 77Se NMR spectroscopy. The γ-gauche effect falls in the range between −59.1 and −13.6 ppm (upfield shift).
Databáze:	OpenAIRE
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