Facile oxidative cyclization to access C2-quaternary 2-hydroxy-indolin-3-ones: synthetic studies towards matemone
Author:
Affiliation:
1. College of Chemistry and Chemical Engineering, Central South University
2. Changsha
3. P. R. China
4. College of Chemistry and Materials Science, Guangxi Teachers Education University
5. Nanning
Abstract
Synergistic oxidation can do it! The precursor for matemone can be facilely prepared in 21% overall yield in 8 steps. The key step is the oxidative cyclization by utilizing CAN and TEMPO to install the quaternary centre.
Publisher
Royal Society of Chemistry (RSC)
Subject
Materials Chemistry,General Chemistry,Catalysis
Link
http://pubs.rsc.org/en/content/articlepdf/2017/NJ/C7NJ02246H
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