condensation of n-butyraldehyde with (a) 1-deoxy-D-glucitol yields a 2,3-acetal as a kinetically controlled product and the 2,4-acetal as the thermodynamically controlled product, (b) 2-deoxy-D-glucitol yields the 1,3-acetal as the kinetically controlled product and the 3,4-acetal(s) as the thermodynamically controlled product, and (c) 3-O-methyl-D-glucitol yields the 2,4-acetal as the predominant product
酸催化的
正丁醛的缩合(一)1脱氧d -glucitol产量2,3-
缩醛,为动力学控制产物和2,4-二
缩醛作为热力学控制的产品,(b)2-脱氧- d -glucitol产量1,3-
缩醛作为动力学控制产物和3,4-
乙缩醛(一个或多个)作为热力学控制的产品,和(c ^)3- ö甲基d -glucitol产生了2,4 -
缩醛是整个反应的主要产物。