On the mechanism of baker's yeast mediated synthesis of (R) S-benzyl thioglycerate. Experiments in deuterated water
作者:Giovanni Fronza、Claudio Fuganti、Andrea Mele、Giuseppe Pedrocchi-Fantoni、Stefano Servi
DOI:10.1016/s0040-4020(01)80800-0
日期:1994.1
Experiments in ca. 90% deuterated water in which (R) S-benzyl thioglycerate (1) is obtained in the presence of benzyl mercaptan in baker's yeast fermenting on D-mannose, D-glucose and D-fructose, respectively, gave rise to trideuterated materials. The extent of labelling at various positions and the stereochemistry depends upon the carbohydrate used as precursor, as shown by 2H NMR studies onto the
约在实验中。在面包酵母中分别在
D-甘露糖,
D-葡萄糖和
D-果糖上发酵的苯
甲硫醇存在下,在苄基
硫醇存在下获得90%的
氘化
水(R)S-苄基
硫代
甘油酸酯(1)产生了三
氘代物质。在不同位置标记的程度和立体
化学取决于用作前体的
碳水化合物,如对二
氧戊环(12)-(14)的2 H NMR研究显示