Original paper
Molecular iodine mediated transition-metal-free oxidative dehydrogenation of 4,7-dihydropyrazolo[3,4-b]pyridines
Abstract
A transition-metal-free Iodine-K2CO3 catalyzed efficient oxidation of 4,7-dihydropyrazolo[3,4-b]pyridines has been developed for the practical synthesis of corresponding pyrazolo[3,4-b]pyridines. The method is suitable for synthesis of variously substituted pyrazolo[3,4-b]pyridines as it is free from tedious purification steps and gives pure products in high yields. Molecular iodine (I2), being inexpensive, environmentally benign, and...
Paper Details
Title
Molecular iodine mediated transition-metal-free oxidative dehydrogenation of 4,7-dihydropyrazolo[3,4-b]pyridines
Published Date
Oct 1, 2021
Journal
Volume
51
Issue
23
Pages
3601 - 3609
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Notes
History