Preparation method and application of shikimic acid ligustrazine

The invention relates to an ion pair compound and a complex of ligustrazine, in particular to a shikimic acid ligustrazine salt and a parathion method and application thereof. The invention provides the ion pair compound with the structural formula (I), the value range of a is 0.1 to 10, and preferably, a is 1 or 2. The shikimic acid ligustrazine salt compound has the pharmacological effect of ligustrazine, and also has the pharmacological effect of shikimic acid; and the compound has good synergistic pharmacological effect on treatment of ischemic cardiovascular and cerebrovascular diseases due to two different pharmacological effects.