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Palladium- and copper-catalyzed selective arylation of 5-aryltetrazoles by diaryliodonium salts

โœ Scribed by Irina P. Beletskaya; Dmitri V. Davydov; Matvey S. Gorovoy

Book ID
104251691
Publisher
Elsevier Science
Year
2002
Tongue
French
Weight
93 KB
Volume
43
Category
Article
ISSN
0040-4039

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Pd- and Cu-catalyzed selective arylation
Pd- and Cu-catalyzed selective arylation of benzotriazole by diaryliodonium salts in water
โœ Irina P. Beletskaya; Dmitri V. Davydov; Marcial Moreno-Maรฑas ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 102 KB

Palladium(0)-catalyzed arylation of 1H-l,2,3-benzotriazole (BTA) in water at 100 ยฐ C with diaryliodonium salts proceeds in the presence of copper salt regioselectively at N-1 position. Best result has been obtained with the Pd(OAc)2(tppts)2 as catalyst and the Cu(tI) phenylcyclopropylcarboxylate as