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ChemInform Abstract: Single and Consecutive Cyclization Reactions of Alkynyl Carbene Complexes and 8-Azaheptafulvenes: Direct Access to Polycyclic Pyrrole and Indole Derivatives.

✍ Scribed by Jose Barluenga; Jaime Garcia-Rodriguez; Angel L. Suarez-Sobrino; Miguel Tomas

Publisher: John Wiley and Sons
Year: 2010
Weight: 54 KB
Volume: 41
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.201004117

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Single and Consecutive Cyclization React

Single and Consecutive Cyclization Reactions of Alkynyl Carbene Complexes and 8-Azaheptafulvenes: Direct Access to Polycyclic Pyrrole and Indole Derivatives

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## Abstract The reactivity of alkynyl and enynyl Fischer carbene complexes towards 8‐azaheptafulvenes is examined. Alkynyl carbenes **1 a**–**f** undergo regioselective [8+2] heterocyclization with 8‐aryl‐8‐azaheptafulvenes **2 a**, **b** providing cycloheptapyrroles **3** and **4** with metal carb

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