Synthesis of isoxazolobenzoxepanes via M
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K. Ramachandiran; K. Karthikeyan; D. Muralidharan; P.T. Perumal
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Article
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2010
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Elsevier Science
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French
⚖ 364 KB
Nitroalkenes derived from O-propargyl salicylaldehyde undergo facile Michael addition with indoles leading to indole-derived Michael adducts. Intramolecular nitrile oxide cycloaddition (INOC) of the Michael adducts results in isoxazolobenzoxepanes in good to excellent yields.