5-Ethyl-1-((3aS,9aR)-5,5,7,7-tetraisopropyl-3-methylene-tetrahydro-4,6,8-trioxa-1-thia-5,7-disila-cyclopentacycloocten-2-yl)-1H-pyrimidine-2,4-dione 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 0.33h,
以28%的产率得到5-ethyl-1-[(2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)-3-methylene-tetrahydrothiophen-2-yl]pyrimidine-2,4-dione