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Complete 13C NMR chemical shift assignments are reported for 32 1H‐pyrrole‐2‐carboxylic acid esters and amides, bearing in addition alkyl, phenyl, acetyl, alkoxycarbonyl and diethylamino substituents. The substituent chemical shift effect for the 2‐Ph group on the pyrrole ring carbon atoms is also reported.
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SAMMES et al. (1986) studied this question.
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