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Facile synthesis of 3-arylpyrroles by tandem Suzuki–dehydrogenation reaction

✍ Scribed by Chi-Wan Lee; Yong Jun Chung

Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
86 KB
Volume
41
Category
Article
ISSN
0040-4039

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✦ Synopsis

Facile method for the synthesis of 3-arylpyrroles is described based on the palladium-catalyzed coupling of trifluoromethanesulfonic acid 1-benzyl-2,5-dihydro-1H-pyrrol-3-yl ester with aryl halides.

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## Abstract magnified image The synthesis of new 3‐substituted coumarins appended to imidazolium, pyridinium, 3‐dimethylamino pyridinium, 3‐chloro pyridinium and 3‐bromo pyridinium salts is reported. These salts were prepared by tandem reactions, followed by quantitative anionic metathesis. The st