Palladium-catalyzed multiple arylation of thiophenes.
Secondary 2-thiophenecarboxamides efficiently undergo unique triarylation accompanied by formal decarbamoylation under palladium catalysis. 3-Substituted thiophenes, especially having an electron-withdrawing group, can also be triarylated.
Okazawa
Toru
T
Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan.
Satoh
Tetsuya
T
Miura
Masahiro
M
Nomura
Masakatsu
M
D002384:Catalysis; D010165:Palladium / Q000737:chemistry*; D011084:Polycyclic Aromatic Hydrocarbons / Q000138:chemical synthesis*; D013876:Thiophenes / Q000138:chemical synthesis / Q000737:chemistry*
D011084:Polycyclic Aromatic Hydrocarbons; D013876:Thiophenes; D010165:Palladium