Stereospecific route for the synthesis of 1,5-lactams: Synthesis of (2S,3S,4R,5R)-methyl-3,4,5-triphenyl-methylenoxy-6-oxo-piperidine-2-ca rboxylate

Article abstract of DOI:10.1016/S0040-4039(00)76990-5

Synthesis of derivative 4, and oxidation product of nojirimycin, from D-glucose is described, involving, ozonolysis of 8 as key step.