(3S,5S)-9-(tetrahydro-pyran-2-yloxy)-non-1-en-7-yne-3,5-diol 、
N,N-二甲基甲酰胺 、
咪唑 、
叔丁基二苯基氯硅烷 、 以
ethyl acetate n-hexane 为溶剂,
反应 20.0h,
以gave 25.16 g of (5S,7S)-2-[5,7-bis-(tert-butyl-diphenyl-silanyloxy)-non-8-en-2-ynyloxy]-tetrahydropyran as colorless oil (1:1 epimeric mixture)的产率得到(5S,7S)-2-[5,7-bis-(tert-butyl-diphenyl-silanyloxy)-non-8-en-2-ynyloxy]-tetrahydropyran