Gold-Catalyzed Intramolecular Cyclization ofN-Propargylic β-Enaminones for the Synthesis of 1,4-Oxazepine Derivatives
摘要:
An efficient and mild one-pot, gold-catalyzed intramolecular cyclization of N-propargylic beta-enaminones has been achieved for the generation of 1,4-oxazepine derivatives. This synthetic transformation tolerates a range of substituted N-propargylic beta-enaminones in moderate to good yields.
Gold-catalysed cyclisation of N-propargylic β-enaminones to form 3-methylene-1-pyrroline derivatives
作者:Kommuru Goutham、N. S. V. M. Rao Mangina、Surisetti Suresh、Pallepogu Raghavaiah、Galla V. Karunakar
DOI:10.1039/c3ob42513d
日期:——
A gold(i) catalysed reaction between N-propargylic β-enaminones and arynes was developed to access 3-methylene-1-pyrrolines. The title compounds were obtained in 57–78% yields.