Application Reactant for synthesis of: • Non-nucleoside inhibitors of HCV polymerase NS5B1 • Neuropeptide Y1 receptor antagonists2 • Alkenylcarboxylates from Horner-Wadsworth-Emmons reactions3Reactant for: • Enantioselective transfer hydrogenation for preparation of the C7-C14 fragment of ulapualide A4 • Intramolecular Michael reactions5 • Olefination of peptidyl aldehydes with stabilized ylides6