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.

Bibliographic Details
Main Authors: Xiaojuan Yang, Liqiang Wu
Format: Article
Language:English
Published: MDPI AG 2018-08-01
Series:Molecules
Subjects:
Online Access:http://www.mdpi.com/1420-3049/23/8/1954