A Facile and Efficient Approach to Seven-membered Heterocycles by Chlorosilane-catalyzed Domino Reaction
2015
A facile and efficient method has been developed for the preparation of seven-membered heterocycles 1,5-benzoxazepines by MeSiCl3/DMF-catalyzed domino reaction via the addition of in situ generated enamines to aldehydes . The advantages of this method are that it operates easily and achieves good yields for a broad scope of aldehyde substrates. And the corresponding products can be readily transformed to other categories of compounds, such as the hydrogenated products , which may have potential application in drug industry.
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