(S)-7-Iodo-2,2,6,6,8-pentamethyl-1,3-dioxa-spiro[4.5]dec-7-ene

3-bromo-2,2,4-trimethylcyclohex-3-ene carbonyl chloride

(S)-1-Hydroxymethyl-3-iodo-2,2,4-trimethyl-cyclohex-3-enol

(5S)-7-iodo-6,6,8-trimethyl-2-phenyl-1,3-dioxaspiro[4.5]dec-7-ene

(S)-1-(benzyloxy)-3-iodo-2,2,4-trimethylcyclohex-3-ene-1-carbaldehyde