(4S)-4-((tert-butyldimethylsilyl)oxy)-5-(4-((S)-1-methoxybut-3-en-1-yl)oxazol-2-yl)-3,3-dimethylpentan-2-ol

(S)-methyl 2-[2-(tert-butyldimethylsilyloxy)-4-(4-methoxybenzyloxy)-3,3-dimethylbutyl]oxazole-4-carboxylate

(S)-1-(4-methoxybenzyloxy)-2,2-dimethylhex-5-en-3-ol

methyl 2-((S)-2-((tert-butyldimethylsilyl)oxy)-4-((4-methoxybenzyl)oxy)-3,3-dimethylbutyl)-4,5-dihydrooxazole-4-carboxylate