Synthesis, characterization and application of magnetic biochar sulfonic acid as a highly efficient recyclable catalyst for preparation of spiro-pyrazolo[3,4-b]pyridines.

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Title: Synthesis, characterization and application of magnetic biochar sulfonic acid as a highly efficient recyclable catalyst for preparation of spiro-pyrazolo[3,4-b]pyridines.
Authors: Dong, Li-Na1 (AUTHOR), Zhang, Shuai-Zheng1 (AUTHOR), Zhang, Wan-Lu1 (AUTHOR), Dong, Yao1 (AUTHOR), Mo, Li-Ping1 (AUTHOR) moliping@hebtu.edu.cn, Zhang, Zhan-Hui1 (AUTHOR) zhanhui@hebtu.edu.cn
Source: Research on Chemical Intermediates. Mar2022, Vol. 48 Issue 3, p1249-1272. 24p.
Database: Environment Complete
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ISSN:09226168
DOI:10.1007/s11164-022-04660-6