Gold-catalyzed transformation of 2-alkynyl arylazides: Efficient access to the valuable pseudoindoxyl and indolyl frameworks
An element of surprise: A series of functionalized 2-alkynyl arylazides has beed converted into 3-substituted indoles or 2,2-disubstituted indolin-3-ones in the presence of a gold(I) complex. Various oxygen or aryl nucleophiles can be used in this process to trap the intermediate α-imino gold carbene. The structural motifs of the products are found in a large variety of biologically active compounds and natural products. Copyright
Wetzel, Alexander,Gagosz, Fabien
p. 7354 - 7358
(2011/09/16)
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