甲基三苯基溴化膦 、
1-[(2S,4S,5R)-4,5-Bis-(tert-butyl-diphenyl-silanyloxymethyl)-3-oxo-tetrahydro-furan-2-yl]-5-methyl-1H-pyrimidine-2,4-dione 在
正丁基锂 作用下,
以21%的产率得到1-[(2S,4S,5R)-4,5-Bis-(tert-butyl-diphenyl-silanyloxymethyl)-3-methylene-tetrahydro-furan-2-yl]-5-methyl-1H-pyrimidine-2,4-dione