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Chemistry of heterocyclic compounds. 25. Selective metalation of the pyridine nucleus at the 3 position

✍ Scribed by Newkome, George R.; Sauer, Joe D.; Staires, S. K.

Book ID
126403057
Publisher
American Chemical Society
Year
1977
Tongue
English
Weight
567 KB
Volume
42
Category
Article
ISSN
0022-3263

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Synthesis of new compounds containing th
Synthesis of new compounds containing the pyrazolo[3,4-b]pyridine-3-one subunit
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## Abstract magnified image A convenient route for the synthesis of pyrazolo[3,4‐__b__]pyridine‐3‐ones __via__ condensation of 3‐amino‐1‐phenylpyrazolin‐5‐one with 4‐hydroxy‐6‐methylpyran‐2‐one is described. The pyrazolo[3,4‐__b__]pyridine‐3‐one isomers obtained were functionalized at 1‐, 4‐, or 6‐