Concise strategies for the total synthesis of lysergic acid from indole derivatives including tryptophan are thwarted by the low nucleophilicity at C-4 of indo1e.l Herein we report a direct ... Published on 01 January 1982. Downloaded by google on 22/02/2016 20:44:24. ... View Article Online / Journal Homepage / Table of Contents for this issue ... (1 1 (2 1 (3) a; E=H b; EfH a; R'= H, R 2 = Me3Si b ; R'= R2= Me3Si c ; R'= MesSi, R2=H d; R' = Me3Si, R2= Ac e; R'= RZ= AC f ; ...