A Convenient and Efficient Process to 5-(2-Di-n-Propylaminoethyl)-6-hydroxyindole
作者:Christos G. Gourdoupis、Heleni K. Kotzamani、Ionnis K. Stamos
DOI:10.1080/00397919408011708
日期:1994.4
An intermolecular trapping of the Pummerer intermediate, generated from 9 with TFAA, by 4 at position 5 under mild Lewis acid conditions gave 5. Sequential treatment of S with Ra-Ni, LiAlH4 and again Ra-Ni, afforded 8 in high overall yield.