期刊
POLYCYCLIC AROMATIC COMPOUNDS
卷 41, 期 9, 页码 1883-1891出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10406638.2019.1703764
关键词
Catalyst-free; green synthesis; multicomponent reaction; one pot synthesis; polyethylene glycol (PEG-400); 3-substituted indoles
This method involves a catalyst-free, cost-effective and environmentally friendly protocol for the synthesis of 3-substituted indoles through a multicomponent condensation reaction in polyethylene glycol 400 (PEG-400) as a reaction medium and promoter, with a key feature being the selectivity in forming heterodimer products over homodimer adducts.
A catalyst-free, cost-effective and environmentally friendly protocol for the synthesis of 3-substituted indoles via a one-pot multicomponent condensation reaction of indole, C-H activated acids and aromatic aldehydes in polyethylene glycol 400 (PEG-400) as a reaction medium and reaction promoter has been developed. The most important feature of this protocol is selectivity in the formation of heterodimer products instead of homodimer adducts such as bisindole or xanthine.
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