(+/-)-2-[1-(tert-butyldimethylsilanyloxy)ethyl]-prop-2-en-1-ol

2-[(R)-5-Eth-(Z)-ylidene-tetrahydro-pyran-2-yl]-acrylonitrile

3-(tert-Butyl-dimethyl-silanyloxymethyl)-but-3-en-2-ol

(Z)-4-(tert-Butyl-dimethyl-silanyloxymethyl)-hex-4-enal