tert-butyl (4R,5R)-2,2,5-trimethyl-4-vinyloxazolidine-3-carboxylate

tert-butyl ((2R,3R)-2,5-dimethyl-3,6-dihydro-2H-pyran-3-yl)carbamate

((2R,3R)-2,5-Dimethyl-6-oxo-3,6-dihydro-2H-pyran-3-yl)-carbamic acid tert-butyl ester

tert-butyl ((3R,4R)-4-((2-methylallyl)oxy)pent-1-en-3-yl)carbamate

5-trimethylsilylpent-4-ynal