Enantioselective synthesis of guggultetrol and d-ribo-phytosphingosine tetraacetate via l-proline catalyzed sequential α-aminooxylation/Horner–Wardsworth–Emmons olefination–Sharpless asymmetric dihydroxylation strategy. - Venkataramasubramanian, V.; Kumar, B. Senthil; Sudalai, Arumugam (Tetrahedron: Asymmetry, 2015)