(2S,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-2-methyl-tetrahydro-pyran-2-carboxylic acid (2S,3R)-((Z)-2-but-2-enyl)-tetrahydro-pyran-3-yl ester 在
Tebbe's reagent 作用下,
以
四氢呋喃 为溶剂,
以36%的产率得到tert-Butyl-((2S,3S)-2-(4aS,8aR)-4,4a,6,7,8,8a-hexahydro-pyrano[3,2-b]pyran-2-yl-2-methyl-tetrahydro-pyran-3-yloxy)-dimethyl-silane