for the following products
2,3(1H)-Isoquinolinedicarboxylicacid, 3,4-dihydro-2-(1,1-dimethylethyl) ester, (3R)- | Boc-D-Tic-OH | N-tert-Butyloxycarbonyl-D-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid and Boc-D-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid
