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13C NMR spectra of some 1-, 3- and 4-monosubstituted and disubstituted isoquinolines

✍ Scribed by A. van Veldhuizen; M. van Dijk; Georgine M. Sanders

Publisher
John Wiley and Sons
Year
1980
Tongue
English
Weight
419 KB
Volume
13
Category
Article
ISSN
0749-1581

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✦ Synopsis

Abstract

Chemical shifts and substituent chemical shift (SCS) effects are reported for 21 monosubstituted iso‐quinolines, carrying a halogeno, amino, piperidino or ethoxy group in position 1, 3 or 4. In some cases, assignments of ^13^C resonances were based on the spectra of the corresponding 5‐deutero derivatives. For the fluoroisoquinolines some ^13^CF coupling constants are given. The ^13^C NMR spectra of 15 disubstituted isoquinolines were measured; with a few exceptions, mainly the 3,4‐ and 1,4‐disubstituted isoquinolines, the chemical shifts agreed well with those calculated by addition of the SCS effects.

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