Synthesis of Novel 1,4-Naphthoquinones Possessing Indole Scaffolds Using In(OTf)3 in Solvent-Free Conditions
Novel 1,4-naphthoquinones possessing indole scaffolds were prepared by the reaction of 2-hydroxy-1,4-naphthoquinone-substituted salicylic aldehydes and indoles using In(OTf)3 as a catalyst. The method has the advantages of simple operation, mild reaction conditions, and friendly environment.
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2018-08-01
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Series: | Molecules |
Subjects: | |
Online Access: | http://www.mdpi.com/1420-3049/23/8/1954 |