Zirconyl Nitrate as an Efficient Catalyst for Facile Synthesis of 2-Aryl-2,3-dihydroquinolin-4(1H)-one Derivatives in Aqueous Medium
作者:Amarsinha Gorepatil、Pratapsinha Gorepatil、Mahadev Gaikwad、Dattakumar Mhamane、Ajit Phadkule、Vilas Ingle
DOI:10.1055/s-0036-1589110
日期:2018.1
A simple, green, and efficient method is introduced for the synthesis of 2-aryl-2,3-dihydroquinolin-4(1H)-ones under mild reaction conditions with improved yields by intramolecular cyclization of o-aminochalcones with zirconyl nitrate [Zn(O)(NO3)2·nH2O] as a water-tolerant Lewis-acid catalyst.
介绍了一种简单、绿色、高效的方法,在温和的反应条件下合成 2-芳基-2,3-二氢喹啉-4(1H)-酮,通过邻氨基查耳酮与硝酸氧锆的分子内环化 [Zn( O)(NO3)2·nH2O]作为耐水路易斯酸催化剂。