Ling Fan, Chengcheng Ruan, B. Guo
Oct 1, 2016
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Journal
Journal of Chemical Research
Abstract
An efficient method for the synthesis of novel 5-phenylsulfonyl substituted 4,5-dihydro-1H-pyrazolo[3,4-b]pyridines from 5-aminopyrazoles, aldehydes and β-ketosulfones in refluxing acetic acid is described. The X-ray crystallographic structure of the product was determined.