Ultrasound Assisted Chromatography-Free Synthesis of Triazolo [1,2-a]Indazole-Triones in the Presence of 1,4-Diazabicyclo[2.2.2] Octanium Diacetate as an Environmentally Friendly Green Media

被引：5
作者：
Sarhandi, Shahriar [1 ]
Fekri, Leila Zare [1 ]
Vessally, Esmail [1 ]
机构：
[1] Payame Noor Univ, Dept Chem, POB 19395-3697, Tehran, Iran
来源：
POLYCYCLIC AROMATIC COMPOUNDS | 2021年 / 41卷 / 05期
关键词：
Dimedone; green chemistry; ionic liquid; triazole; ultrasound; Urazole; MAGNETICALLY SEPARABLE CATALYST; COATED NIFE2O4 NANOPARTICLES; MULTICOMPONENT SYNTHESIS; MOLECULAR DOCKING; EFFICIENT; URAZOLE; DESIGN; BIS;
D O I：
10.1080/10406638.2019.1632908
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A convenient and high yielding procedure for the synthesis of triazolo[1,2-a]indazole-triones by the condensation reaction between 1,2,4-triazolidine-3,5-dione (urazole), 5,5-dimethylcyclohexane-1,3-dione (dimedone) and aryl aldehydes in the presence of acidic dicationic ionic liquid 1,4-diazabicyclo[2.2.2] octanium diacetate as a highly stable and reusable ecofriendly catalyst under ultrasound irradiation is described. This procedure is simple and successful and offers easy workup, mild condition and excellent yield in a short time. All of the synthesized compounds were characterized by IR, H-1 NMR, C-13 NMR and elemental analysis. [GRAPHICS] .
引用
收藏
页码：963 / 973
页数：11
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