| 摘要 |
FIELD: chemistry.SUBSTANCE: present invention refers to organic chemistry, namely to a method for preparing vinpocetine and apovincamin wherein the above method involves the stages: (1) preparing a solution of the compound of formulasuch as below, and an organic or inorganic base in a polar aprotonic solvent, and (2) adding alkyl haloacetate to the solution of the stage (1) in the controlled temperature environment.EFFECT: what is developed is the new method for preparing vinpocetine and apovincamin differing the simplicity and high end product yield.16 cl, 7 ex |
