New Efficient Approaches to Functionalized 2-Substituted Furopyridines
作者:Antonio Arcadi、Sandro Cacchi、Sabrina Di Giuseppe、Giancarlo Fabrizi、Fabio Marinelli
DOI:10.1055/s-2002-20464
日期:——
3-b]pyridines through a coupling/cyclization process. Two catalyst systems have been used: PdCl 2 (PPh 3 ) 2 -CuI and Pd 2 (dba) 3 -P(t-Bu) 3 . Halopyridinols have been employed for an alternative approach to 2-substituted furo[2,3-b]pyridines and 2-substituted furo[2,3-c]pyridines via 2-(trimethylsilyl)furopyridines, 2-iodofuropyridines, palladiumcatalyzed reactions.