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1. One-pot synthesis of Acanthus ilicifolius Linn alkaloid 2-benzoxazolinone derivatives via a tandem Ugi 4-component coupling/haloform cyclization.

Author

Zhu, Jun, Tian, Xiao-Qiong, Kong, Ling-Qi, Ke, Li-Na, Ran, Feng-Ying, Wu, Lun, Wang, Hong-Mei, Chen, Qin-Hua, and Zeng, Xiao-Hua

Subjects
*RING formation (Chemistry), *ISOCYANIDES, *CONDENSATION, *COUPLES, *ALKALOIDS
Abstract

A one-pot, base-mediated approach to Acanthus ilicifolius Linn alkaloid 2-benzoxazolinone derivatives is developed. Starting from trichloroacetic acid, o -aminophenol, substituted benzaldehydes and alkyl isocyanides, the desired 2-benzoxazolinone derivatives are obtained in good yields via a tandem Ugi condensation and intramolecular haloform cyclization at room temperature in the presence of Et3N. [ABSTRACT FROM AUTHOR]

Published
2021
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