The synthesis method of the parent structure of flavanone involves the selection of different starting materials and specific synthesis steps, such as aldol condensation and catalytic cyclization under weak alk. conditions.By comparing different starting materials and optimizing synthesis methods, an efficient and high-yield synthesis method for the parent structure of flavanone can be obtained, providing important reference and guidance for related research.This article reviews the literature on the synthesis of flavanone precursor structures and summarizes the synthesis methods of flavanone.Using benzaldehyde and ortho hydroxyacetophenone as starting materials, combined with exptl. conditions, the parent structure of flavanone was successfully synthesized through steps such as aldol condensation and catalytic cyclization under weak alk. conditions.This study provides a feasible method for the synthesis of flavanones and is expected to provide new ideas for research in related fields.