Iodine as a Mild, Efficient, and Cost-Effective Reagent for the Synthesis of cis-1-Oxo-1,2,3,4-tetrahydroisoquinoline-4-carboxylic Acids - Yadav, J S; Reddy, B V Subba; Reddy, A Ramesh; Narsaiah, A V (Synthesis, 2007)