Bicyclol dimer as well as preparation method and application thereof

The invention belongs to the field of medicines, and particularly relates to a bicyclol dimer as well as a preparation method and application thereof. The bicyclol dimer has a structure shown in a formula II. The preparation method of the bicyclol dimer comprises the following steps of preparing bicyclol, a reaction solvent and an acid, and acquiring the bicyclol dimer by heating bicyclol in a reaction solvent under the catalytic action of acid to react. The preparation method is simple in route, convenient to operate, low in equipment condition requirement, extremely easy to implement and simple in post-treatment, and the bicyclol dimer prepared by the preparation method is high in purity, can be applied to qualitative and quantitative research and detection of the bicyclol dimer, and hasimportant significance in effectively controlling the quality of a bicyclol crude drug or a preparation of the bicyclol crude drug. 本发明属于药物领域，具体涉及一种双环醇二聚体、其制备方法及其用途，所述双环醇二聚体具有式II结构：。双环醇二聚体的制备方法包括：准备双环醇、反应溶剂和酸；双环醇在酸催化作用下于反应溶剂