Palladium-Catalyzed Divergent Arylation with Triazolopyridines

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Title
Palladium-Catalyzed Divergent Arylation with Triazolopyridines
Author(s)
Youngtaek Moon; Soonhyung Kwon; Dahye Kang; Honggu Im; Sungwoo Hong
Publication Date
2016-03
Journal
ADVANCED SYNTHESIS & CATALYSIS, v.358, no.6, pp. -
Publisher
WILEY-V C H VERLAG GMBH
Abstract
We have developed a new strategy for pal-ladium-catalyzed arylation reactions with triazolopyridines,wherein two different chemical transformations(C-3vs.C-7) are observed by differentiating the substrates using different bases. The reactive palladium carbenoids were directly generated from triazolopyridines and underwent denitrogenative arylations with arylbromides.Intriguingly, when potassium carbonate was replaced with potassium tert-butoxide,direct C-H arylation occurred at the most acidic position (C-7). Moreover, two different catalytic arylation events were successfully performed in a one-pot sequence, providing a convenient access to 6-aryl-2-alpha-styrylpyridines. (C) 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
URI
https://pr.ibs.re.kr/handle/8788114/5606
ISSN
1615-4150
Appears in Collections:
Center for Catalytic Hydrocarbon Functionalizations(분자활성 촉매반응 연구단) > Journal Papers (저널논문)
Files in This Item:
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