N.  Dwivedi, Tripathi, D., and Kumar, P., ?Organocatalytic route to the synthesis of (6S)-5,6-dihydro-6-[(2R)-2-hydroxy-6-phenylhexyl]-2H-pyran-2-one and ravensara lactones?, Tetrahedron-Asymmetry, vol. 22, no. 18-19 , pp. 1749-1756, 2011.