申请人:ADVANCED BIODESIGN
公开号:US10570089B2
公开(公告)日:2020-02-25
A process for preparing aminothiol ester compounds and salts thereof. The present invention relates to a process for preparing compounds of formula (I), (I) comprising the following steps: a) reacting a compound of formula (II) with an inorganic acid or an organic acid, (II) b) reacting the compound obtained in step a) with a base; c) reacting the compound obtained in step b) with CO2; d) reacting the compound obtained in step c) with an alkyl chloroformate, a reagent capable of forming, with the compound obtained in step c), an acid halide, or a reagent capable of forming, with the compound obtained in step c), a mixed anhydride; e) reacting the compound obtained in step d) with an SMe anion precursor compound.
一种制备氨基硫醇酯化合物及其盐类的工艺。本发明涉及一种制备式(I)化合物的工艺,(I)包括以下步骤:a) 将式(II)化合物与无机酸或有机酸反应,(II) b) 将步骤 a)中得到的化合物与碱反应; c) 将步骤 b)中得到的化合物与 CO2 反应;d) 将步骤 c)中得到的化合物与氯甲酸烷基酯、能与步骤 c)中得到的化合物形成酸卤化物的试剂或能与步骤 c)中得到的化合物形成混合酸酐的试剂反应; e) 将步骤 d)中得到的化合物与 SMe 阴离子前体化合物反应。