tert-butyl (2S,6S)-2-(2-((tert-butyldiphenylsilyl)oxy)ethyl)-6-(2-methylenepent-4-en-1-yl)piperidine-1-carboxylate

tert-butyl (2S,6S)-2-(2-hydroxyethyl)-6-((R)-2-methyl-4-oxopentyl)piperidine-1-carboxylate