Copper-catalyzed direct oxidative annulation of N-iminopyridinium ylides with terminal alkynes using O2 as oxidant

The aerobic direct dehydrogenative annulation of N-iminopyridinium ylides with terminal alkynes leading to pyrazolo[1,5-a]pyridine derivatives has been developed.

Bibliographische Detailangaben

Veröffentlicht in:	Chemical communications (Cambridge, England) England), 2013-05, Vol.49 (39), p.4250-4252
Hauptverfasser:	Ding, Shengtao, Yan, Yuepeng, Jiao, Ning
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkynes - chemistry Catalysis Copper - chemistry Cyclization Oxidation-Reduction Oxygen - chemistry Pyrazoles - chemical synthesis Pyrazoles - chemistry Pyridines - chemical synthesis Pyridines - chemistry
Online-Zugang:	Volltext
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