The aldol reaction of optically active 3-(p-tolylsulfinyl)furfural with silyl ketene acetal catalyzed by a lanthanide triflate proceeded smoothly to give the syn- and anti-aldol products with high diastereoselectivities in high yield.
在三
镧系元素催化下,光学活性 3-(对
甲苯亚磺酰基)
糠醛与
硅酮
缩醛的醛醇反应顺利进行,以高非对映选择性和高产率得到了合成和反醛醇产物。