The invention relates to a novel process for the preparation of a chiral pyrollidine-2-yl-methanol derivative or a salt thereof of the formula (I), wherein R1 is aryl or heteroaryl and both aryl or heteroaryl are optionally substituted by C1-4-alkyl, halo-C1-4-alkyl, C1-4-alkoxy or halogen. The synthesis proceeds through an intermediate Weinreb amide, which is reacted with a Grignard reagent and hydrogenated. The chiral pyrollidine-2-yl-methanol derivatives of the formula (I) are versatile building blocks in the synthesis of pharmacologically active compounds, such as for the stereospecific synthesis of oligonucleotides carrying chiral phosphonate moieties.
该发明涉及一种新型制备手性
吡咯烷基-2-
甲醇衍
生物或其盐的方法,其
化学式为(I),其中R1为芳基或杂芳基,且芳基或杂芳基可选择地被C1-4-烷基、卤代C1-4-烷基、C1-4-烷
氧基或卤素取代。合成过程通过
中间体酰胺酯与
格氏试剂反应并进行
氢化。
化学式(I)中的手性
吡咯烷基-2-
甲醇衍
生物是合成药理活性化合物的多功能构建块,例如用于携带手性
膦酸酯基团的寡
核苷酸的立体选择性合成。