Journal
CHEMISTRYSELECT
Volume 6, Issue 33, Pages 8791-8796Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/slct.202102580
Keywords
Pyrazolo[1; 5-a]pyridines; Gold catalysis; Regioselectivity; 6-endo-dig cyclization; C-N bond formation
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Funding
- Department of Science and Technology (DST) India [DST-SB/EMEQ-257/2014, EEQ/2020/000266]
- CSIR, New Delhi [.2021/046]
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An efficient gold-catalyzed synthesis of pyrazolo[1,5-a]pyridines has been developed from pyrazolo substituted propargyl alcohols via 6-endo-dig cyclization. In this intramolecular cyclization reaction, a new C-N bond was regioselectively formed, and good to excellent yields of pyrazolo[1,5-a]pyridines were obtained in one-pot.
An efficient gold-catalyzed synthesis of pyrazolo[1,5-a]pyridines have been developed from pyrazolo substituted propargyl alcohols via 6-endo-dig cyclization. In this intramolecular cyclization reaction a new C-N bond was formed regioselectively and good to excellent yields of pyrazolo[1,5-a]pyridines were obtained in one-pot.
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