Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... A highly stereoselective synthesis of optically active 2-bromo-5-hydroxy-tryptophan 1a and important derivatives 1b and 1c as well as their 2-bromotryptophan analogs was achieved in three steps from 2-bromo-3-bromomethylindoles 3a and 3b, respectively. ... Zhang P., Cook JM Syn. ...