https://www.selleckchem.com/pr....oducts/s64315-mik665
The alkaloid inducamide C is proposed to contain a very rare benzoxazepine ring. Herein, we report that the benzoxazepine ring in inducamide C is unstable and prone to rearrangement, indicating that structural revision of the natural product may be necessary. In a first-generation synthetic approach, attempts to assemble the benzoxazepine by cyclization of 4-hydroxyinducamide A led to the regioisomeric oxepanoindole, a result of the 4-hydroxyindole (C4-OH) undergoing preferential cyclization instead of the desired chlorosalicylic
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