DIHYDROCAFFEIC ACID DERIVATIVES AND PHARMACEUTICAL PREPARATIONS CONTAINING SAME

摘要

Dihydrocaffeic acid derivatives are disclosed which are applicable as medicines having excellent absorbency in the case of oral administration and good concentration retention in blood. The disclosed compounds have the function to induce the production and secretion of a nerve growth factor (NGF) in the brain tissue, and accordingly are effective as medicines for inhibiting the progression of regressive disorders of the central nervous system and for the therapeutic treatment of such disorders.