The counterion effect in the gold(I)-catalyzed dearomative condensation of indoles with allenamides is unveiled by means of 1D- and 2D- NMR investigation. The different coordination ability and hydrogen bonding tendency of TFA− and OTf− led to specific interactions with the reaction partners dictating the regiodivergent outcome.
Assessing the Role of Counterion in Gold-Catalyzed Dearomatization of Indoles with Allenamides by NMR Studies
ROCCHIGIANI, LUCA;MACCHIONI, Alceo
2015
Abstract
The counterion effect in the gold(I)-catalyzed dearomative condensation of indoles with allenamides is unveiled by means of 1D- and 2D- NMR investigation. The different coordination ability and hydrogen bonding tendency of TFA− and OTf− led to specific interactions with the reaction partners dictating the regiodivergent outcome.File in questo prodotto:
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