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Indirect nuclear spin—spin coupling constants 1J(13C13C) in alkynes

✍ Scribed by Angelika Sebald; Bernd Wrackmeyer

Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
362 KB
Volume
37
Category
Article
ISSN
1386-1425

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## Abstract A series of 7‐^13^C‐labeled __o__‐substituted toluene derivatives and carboxyl‐^13^C‐isocrotonic and crotonic acid were synthesized and studied by ^13^C NMR spectroscopy to obtain ^13^C^13^C spin‐spin coupling constants involving the labeled carbon. The __cis__ ^3^__J__(CC) values were