| 摘要 |
[(4-Oxo-4H-chromen-3-yl)-hydroxymethyl]- or [(4-oxo-4H-chromen-3-yl)-methyl]-phosphoric acid derivatives (I) and their salts, are new. [(4-Oxo-4H-chromen-3-yl)-hydroxymethyl]- or [(4-oxo-4H-chromen-3-yl)-methyl]-phosphoric acid derivatives of formula (I) and their salts, are new. R 1>, R 3>H, OH or 1-8C alkoxy; R 4>H, 1-4C alkyl, OH or 1-8C alkoxy; R 5>H or OH (preferred); and R 6>H or 1-18C alkyl. Where R 1>-R 4> is not hydrogen at the same time. Independent claims are included for: (1) the preparations of (I); and (2) a preparation containing (I). [Image] ACTIVITY : Nootropic; Dermatological. MECHANISM OF ACTION : Histidinde-carboxylase inhibitor; Protein inhibitor; Elastase inhibitor; Aldosereductase hyaluronidase inhibitor. |
