AN EFFICIENT SYNTHESIS OF FUNCTIONALIZED CHROMENO[4,3-d]PYRAZOLO[3,4-b]PYRIDINE DERIVATIVES

被引：2
|
作者：
Lin, Wei [1 ]
Zheng, Yongxiang [2 ]
Wang, Yazhen [1 ]
Shi, Daqing [2 ]
机构：
[1] Jiangsu Technol Univ, Sch Chem & Environm Engn, Changzhou 213001, Peoples R China
[2] Soochow Univ, Coll Chemistrya Chem Engn & Mat Sci, Suzhou 215123, Peoples R China
来源：
HETEROCYCLES | 2016年 / 92卷 / 12期
基金：
中国国家自然科学基金;
关键词：
ONE-POT SYNTHESIS; FLUORESCENCE PROPERTIES; SWITCHING PROPERTIES; COUMARINS; DIFFERENTIATION; CELLS; ACID;
D O I：
10.3987/COM-16-13567
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A series of functionalized chromeno[4,3-d]pyrazolo[3,4-b]pyridine derivatives were synthesized via one-pot three-component reaction of salicylaldehydes, 4-hydroxy-6-methyl-2H-pyran-2-one and pyrazol-5-amines catalyzed by L-proline and CuSO4 in ethanol. The structures of all synthesized were identified by their IR, H-1 NMR, C-13 NMR and HRMS analyses, and the structure of compound 4h was confirmed by X-ray diffraction analysis.
引用
收藏
页码：2235 / 2243
页数：9
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