ehyde by using Mg2+-based (syn-addition) and Ti4+-based (anti-addition) phenolates allows the efficient preparation of all four possible stereoisomers of the title 1-C-substituted glycerols; the application of ultrasonic waves produces a marked synthetic advantage.
通过使用基于Mg 2+的(顺加成)和基于Ti 4+的(抗加成)
酚盐,(R)-和(S)-2,3- O-异亚丙基
甘油醛的C-芳基化具有互补的非对映选择性。有效制备标题1-C-取代的
甘油的所有四种可能的立体异构体;超声波的应用产生了明显的综合优势。