Four-Component Synthesis of 9<i>H</i>-Pyrimido[4,5-<i>b</i>]indoles Using Ammonium Iodide as the Nitrogen Source

Four-Component Synthesis of 9<i>H</i>-Pyrimido[4,5-<i>b</i>]indoles Using Ammonium Iodide as the Nitrogen Source

A four-component synthesis of 2-phenyl-9<i>H</i>-pyrimido[4,5-<i>b</i>]indoles was developed using indole-3-carboxaldehydes, aromatic aldehyde and ammonium iodide as the raw materials under transition-metal-free conditions. The pyrimidine ring was formed in one pot through [4...

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Bibliographic Details
Main Authors: Yufeng Chen, Ruitong Yang, Fuhong Xiao, Tong Li, Guojiang Mao, Guo-Jun Deng
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Catalysts
Subjects:
9<i>H</i>-pyrimido[4,5-<i>b</i>]indole
aromatic aldehyde
ammonium salt
cycloaddition
transition metal free
Online Access:https://www.mdpi.com/2073-4344/13/3/623

Internet

https://www.mdpi.com/2073-4344/13/3/623

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