AN EFFICIENT SYNTHESIS OF 1,4-OXAZEPINES FROM β-FORMYL ENAMIDE USING I2-NaHCO3SYSTEM
摘要:
A new and efficient method for synthesis of 1,4-oxazepine has been developed utilizing I-2-NaHCO3 promoted intramolecular cyclisation of N-progargyl-beta -hydroxylmethyl enamide. The method is mild and simple.