One-Pot Synthesis of Camalexins and 3,3′-Biindoles by the Masuda Borylation-Suzuki Arylation (MBSA) Sequence
作者:Boris O. A. Tasch、Dragutin Antovic、Eugen Merkul、Thomas J. J. Müller
DOI:10.1002/ejoc.201300133
日期:2013.7
The Masuda borylation/Suzuki arylation (MBSA) sequence starting from N-protected 3-iodoindoles has successfully been extended to the coupling of five-membered heterocycles and indoles in the arylation step, which could not be achieved with previously developed MBSA methods. By this approach the one-pot nature of the method as well as the use of a simple catalyst system has been retained. The applicability
Room-Temperature Gold-Catalysed Arylation of Heteroarenes: Complementarity to Palladium Catalysis
作者:Alexander J. Cresswell、Guy C. Lloyd-Jones
DOI:10.1002/chem.201602893
日期:2016.8.26
Tailoring of the pre‐catalyst, the oxidant and the arylsilane enables the first room‐temperature, gold‐catalysed, innate C−H arylation of heteroarenes. Regioselectivity is consistently high and, in some cases, distinct from that reported with palladium catalysis. Tolerance to halides and boronic esters, in both the heteroarene and silane partners, provides orthogonality to Suzuki–Miyaura coupling.