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Carbon-13 spectra of 2-hetera[3](1,1′)ferrocenophanes

✍ Scribed by A. Piórko; A. Ratajczak; M. Dominiak

Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
207 KB
Volume
16
Category
Article
ISSN
0749-1581

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✦ Synopsis

Abstract

The analysis of the ^13^C FT NMR spectra of 2‐hetera3ferrocenophanes containing an oxygen, sulphur, selenium atom, phenyl‐substituted nitrogen or a methylene group in the 2‐position of the bridge has been carried out. The electronegativity of this fragment affects both chemical shifts and coupling constants, but no simple relationship was found.

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## Abstract The ^13^C n.m.r. spectra of 11 derivatives of 2,3‐dimethylenenorbornane, 1–11, of 5 derivatives of 2,3‐dimethylene‐7‐oxanorbornane, 12–16, and of 2,3,5,6‐tetramethylene‐7‐oxanorbornane (17) have been measured and the chemical shifts have been assigned. The effects of 1‐methyl, 5‐hydroxy