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A MILD AND CONVENIENT ONE-POT SYNTHESIS OF 4,6-DIARYL-3-AMINOISOXAZOLO[3,4-B]PYRIDINES

✍ Scribed by Miao, Chun-Bao; Wang, Yan-Hong; Dong, Chun-Ping; Yang, Hai-Tao; Meng, Qi; Sun, Xiao-Qiang

Book ID
125485203
Publisher
Japan Institute of Heterocyclic Chemistry
Year
2013
Tongue
English
Weight
662 KB
Volume
87
Category
Article
ISSN
0385-5414

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An expedient method for the synthesis of 2-phenyl-5-aryl-2,3-dihydropyrazolo [3,4-b]pyridin-3-ones and 2-phenyl-3-oxo-2,3-dihydropyrazolo[3,4-b]pyridine-5-carbaldehyde in a single-step via condensation of vinamidinium salts with 3-amino-1-phenyl-2-pyrazolin-5-one is described.