Cycloisomerization of 2??Alkynylanilines to Indoles Catalyzed by Carbon??Supported Gold Nanoparticles and Subsequent Homocoupling to 3, 3′??Biindoles

…, N Huittinen, JA Lopez??Sanchez…

Index: Perea-Buceta, Jesus E.; Wirtanen, Tom; Laukkanen, Otto-Ville; Maekelae, Mikko K.; Nieger, Martin; Melchionna, Michele; Huittinen, Nina; Lopez-Sanchez, Jose A.; Helaja, Juho Angewandte Chemie - International Edition, 2013 , vol. 52, # 45 p. 11835 - 11839 Angew. Chem., 2013 , vol. 125, # 45 p. 12051 - 12055,5

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Citation Number: 27

Abstract

Construction of biologically and pharmaceutically important indole moieties plays a prominent role in classic organic synthesis and modern catalysis. This role is not only due to the significance of the potential applications but also as a standard to calibrate the efficiency of a given method.[1, 2] Despite the fact that the cycloisomerization of 2-alkynylanilines provides one of the most direct and atom-economical manners to assemble indoles,[3, 4] ...

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