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

页码：2235 / 2243

页数：9

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