NDLI: Quinoxaline as an integrated directing group in palladium-catalyzed ortho-C–H bond arylation of the aryl unit of 2-arylquinoxalines

Content Provider	Semantic Scholar
Author	Idris, Imane Derridj, Fazia Roisnel, Thierry Doucet, Henri Soulé, Jean-François
Copyright Year	2018
Abstract	We report the Pd-catalyzed C–H bond arylation at the ortho-position of the aryl unit of 2-arylquinoxalines. The reaction proceeds with complete regioselectivity using phosphine-free Pd(OAc)2 as the catalyst and potassium acetate as inexpensive base. In contrast to previously employed directing groups, quinoxaline is an integrated directing group in the final product that only promotes ortho-mono-arylation without the formation of bis-arylated products. A wide variety of (hetero)aryl bromides, including bromopyridine derivatives, has been successfully employed.
Starting Page	16036
Ending Page	16039
Page Count	4
File Format	PDF HTM / HTML
DOI	10.1039/C8NJ02713G
Volume Number	42
Alternate Webpage(s)	http://www.rsc.org/suppdata/c8/nj/c8nj02713g/c8nj02713g1.pdf
Alternate Webpage(s)	https://doi.org/10.1039/C8NJ02713G
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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