期刊
SYNTHETIC COMMUNICATIONS
卷 -, 期 -, 页码 -出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00397911.2023.2236737
关键词
Green solvent; humic acid; organo catalyst; 1-amidoalkyl-2-naphthol; 1-thioamidoalkyl-2-naphthol; multi-component reaction (MCR); >
This article describes a simple and efficient synthesis method based on humic acid, which can catalyze the synthesis of 1-amidoalkyl-2-naphthols and 1-thioamidoalkyl-2-naphthols in water. The method has advantages such as moderate to excellent yields, easy operation, mild reaction conditions, the use of water as a green solvent, and a reusable catalyst.
Humic acid is a group of molecules which are eco-benign, inexpensive, readily attainable, high-molecular-weight, natural acidic organic polymer. In our current protocol a simple, facile, and robust single-pot three-component synthesis of 1-amidoalkyl-2-naphthols and 1-thioamidoalkyl-2-naphthols using humic acid as an efficient catalyst in water has been described. The method, we reported, has several advantages such as moderate to excellent yields, easy work-up procedure, mild reaction conditions, use of water as a green solvent, and a commercially available, nontoxic, and reusable catalyst.
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