Gold-Catalyzed Intramolecular Cyclization of N-Propargylic β-Enaminones for the Synthesis of 1,4-Oxazepine Derivatives
2015
Goutham, Kommuru | Ashok Kumar, Desamala | Suresh, Surisetti | Sridhar, Balasubramanian | Narender, Ravirala | Karunakar, Galla V.
An efficient and mild one-pot, gold-catalyzed intramolecular cyclization of N-propargylic β-enaminones has been achieved for the generation of 1,4-oxazepine derivatives. This synthetic transformation tolerates a range of substituted N-propargylic β-enaminones in moderate to good yields.
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