4-phenylbuta-2,3-dien-1-ol

(Z)-7-((tert-butyldimethylsilyl)oxy)hept-2-yne-1-ol

dimethyl 2-(7-hydroxyhept-2-yn-1-yl)-2-(4-phenylbuta-2,3-dien-1-yl)malonate

dimethyl 2-(7-((tert-butyldimethylsilyl)oxy)hept-2-yn-1-yl)malonate

4-phenylbuta-2,3-dien-1-yl methanesulfonate