Synthesis of Novel 2-Amino-7-Methyl-4-Aryl-3-(Phenylsulfonyl)Pyrano[4,3-b]Pyran-5(4H)-One Derivatives in the Presence TiCl4 Supported on Kaolin as a Nano Catalyst

被引：5
作者：
Abyar, Elahe [1 ]
Sadeghi, Bahareh [1 ]
Mosslemin, Mohammad Hossein [1 ]
机构：
[1] Islamic Azad Univ, Dept Chem, Yazd Branch, POB 89195-155, Yazd, Iran
来源：
POLYCYCLIC AROMATIC COMPOUNDS | 2021年 / 41卷 / 05期
关键词：
Environmentally-friendly; nano kaolin; TiCl4; one-pot reactions; phenylsulfonylacetonitrile; pyran derivatives; ONE-POT SYNTHESIS; COCONUT SHELL; NANOCATALYST; INHIBITORS; OXIDATION; DESIGN; GREEN; CHEAP;
D O I：
10.1080/10406638.2019.1628784
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Novel 2-amino-7-methyl-4-aryl-3-(phenylsulfonyl) pyrano[4,3-b]pyran-5(4H)-one derivatives containing both biologically active pyran and chromene templates are synthesized via one-pot three-component condensation of aromatic aldehydes, 4-hydroxy-6-methyl-2H-pyran-2-one and phenylsulfonylacetonitrile in the presence of nano kaolin/TiCl4 as an efficient and recyclable acid catalyst. Many instrumental techniques including TEM, FE-SEM, and EDX, confirmed the structure of applied nano kaolin supported titanium tetrachloride. The proposed approach has some advantages as excellent yields, mild reaction conditions, eco-friendly, ease of work-up, survival of different functional groups and short reaction times.
引用
收藏
页码：920 / 928
页数：9
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