1645294-11-6Relevant articles and documents
Gold-catalyzed tandem reaction of 2-alkynylanilines followed by 1,6-conjugate addition to: P -quinone methides: Efficient access to unsymmetrical diarylindolylmethanes
Jillella, Raveendra,Oh, Dong Hwan,Oh, Chang Ho
, p. 16886 - 16890 (2018)
A simple, mild, efficient and chemoselective catalytic method for the straightforward synthesis of an interesting class of 2-aryl/alkyl-substituted-3-diaryl indolyl methanes in high yield is reported. This atom-efficient method proceeds via a gold-catalyzed one-pot sequential intramolecular hydroamination (C-N bond formation) of 2-alkynylanilines followed by a 1,6-conjugate addition to p-quinonemethides. The p-quinonemethides, which contain aldehyde functional groups, preferentially participate in 1,6-conjugate addition, while the aldehyde functional group remains unreactive.