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ChemInform Abstract: Use of Sodium Salt of Cyclic β-Formylester for Synthesis of Dihydro-2H-furo[2,3-d]pyrazolo[3,4-b]pyridines and Pyrazolo[3,4-b]pyrrolo[2,3-d]pyridines.

✍ Scribed by Shivaraj P. Patil; Raghunath B. Toche


Publisher
John Wiley and Sons
Year
2012
Weight
49 KB
Volume
43
Category
Article
ISSN
0931-7597

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An efficient synthesis of pyrazolo[3,4-b
✍ Raghunath B. Toche; Bhausaheb K. Ghotekar; Dhananjay B. Kendre; Muddassar A. Kaz 📂 Article 📅 2008 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 295 KB 👁 1 views

## Abstract magnified image 5‐Chloroethylpyrazolo[3,4‐__b__]pyridines were synthesized by condensation of 5‐aminopyrazoles with α‐acetyl γ‐butyrolactone followed by cyclization treating with phosphorous oxychloride. 5‐Chloroethyl‐pyrazolo[3,4‐__b__]pyridines, thus obtained, were then converted to