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 formula such 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
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Authors
Dates
2013-11-10—Published
2009-09-15—Filed