Corrigendum to “Tellurium in organic synthesis: a new approach to trisubstituted γ-butyrolactones with trans–trans relative stereochemistry. Total enantioselective synthesis of (−)-blastmycinolactol, (+)-blastmycinone, (−)-NFX-2, and (+)-antimycinone” [Tetrahedron Lett. 51 (2010) 6843–6846]