4,4-dimethylpent-2-ynylsulfanylbenzene

methyl (2S,4S)-4-((4,4-dimethylpent-2-yn-1-yl)(methyl)amino)-1-(2,2-diphenylacetyl)pyrrolidine-2-carboxylate

MsCI

(2S,4R)-4-((4,4-dimethylpent-2-yn-1-yl)(methyl)amino)-1-(2,2-diphenylacetyl)piperidine-2-carboxylic acid

tert-butyl benzyl(4,4-dimethylpenta-1,2-dien-1-yl)carbamate