Silver??Catalyzed Hydroamination: Synthesis of N??Bridgehead Pyrroles, Incorporating a Protection??Deprotection Strategy for Preparation of Cyclic Secondary …

…, MC Dovey, D Gravestock

Index: Robinson, Ross S.; Dovey, Martin C.; Gravestock, David European Journal of Organic Chemistry, 2005 , # 3 p. 505 - 511

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Citation Number: 28

Abstract

Abstract N-Bridgehead pyrroles are efficiently prepared from cyclic secondary vinylogous carbamates using a two-step sequence. This sequence involves C-propargylation followed by a silver-catalyzed intramolecular hydroamination. Hydroamination is brought about using microwave irradiation and affords the desired N-bridgehead pyrroles rapidly and in good yield. Cyclic secondary vinylogous carbamates are prepared using a mild, economical ...