(R)-3-(tert butyldimethylsilyloxy)-1-trimethylsilyl-hex-5-en-1-yne

Methanesulfonic acid (R)-3-(tert-butyl-dimethyl-silanyloxy)-5-trimethylsilanyl-pent-4-ynyl ester

(R)-1-(trimethylsilyl)hex-5-en-1-yn-3-ol

(3R)-3-(tert-butyldimethylsiloxy)-1-(trimethylsilyl)pent-1-yn-5-ol

1-(trimethylsilyl)-5-(triphenylmethoxy)pent-1-yn-3-one