A General and Efficient 2-Amination of Pyridines and Quinolines
作者:Jingjun Yin、Bangping Xiang、Mark A. Huffman、Conrad E. Raab、Ian W. Davies
DOI:10.1021/jo070189y
日期:2007.6.1
Pyridine N-oxides were converted to 2-aminopyridines in a one-pot fashion using Ts2O-t-BuNH2 followed by in situ deprotection with TFA. The amination proceeded in high yields, excellent 2-/4-selectivity, and with good functional group compatibility. 2-Amino (iso)quinolines were also obtained in the same manner. Combined with the simple oxidation of pyridines to pyridine N-oxides, this method provides a general and efficient way for amination of 2-unsubstituted pyridines.
SOLEXOVA M. A.; KURBATOV YU. V.; OTROSHCHENKO O. S.; SADYKOV A. S., XIMIYA GETEROTSIKL. SOEDIN. <KGSS-AQ>, 1976, HO 2, 229-232
作者:SOLEXOVA M. A.、 KURBATOV YU. V.、 OTROSHCHENKO O. S.、 SADYKOV A. S.