反应条件
1: 1.) conc. HCl, 2.) K2CO3, TDA-1 / 1.) CHCl3, 35 deg C, 8 h; 5 min, RT; 2.) DMF, 25 deg C, 1 h
2: 13 percent / H2 / 10percent palladium on carbon / pyridine; methanol / 20 h
View Scheme
参考文献
Kubo, Akinori; Nakahara, Shinsuke
Heterocycles, 1988 , vol. 27, # 9 p. 2095 - 2098