2-oxodec-4(Z)-enal diethyl acetal

tert-butyl 5(S)-hydroxy-5-(1,3-dithian-2-yl)pentanoate

tert-butyl 5-oxo-5-(1,3-dithian-2-yl)pentanoate

tert-butyl 5(S)-(benzoyloxy)-5-(1,3-dithian-2-yl)pentanoate

2(R)-(tert-butyldiphenylsiloxy)dec-4(Z)-enal diethyl acetal