申请人:——
公开号:US20040059136A1
公开(公告)日:2004-03-25
The invention concerns novel flavone and isoflavone derivatives of formulae (Ia) and (Ib) wherein: X represents a group of formula —COOR, or —PO(OR)
2
; R represents a hydrogen atom or an alkaline or alkaline-earth metal, or a lower alkyl group; R
1
represents a hydroxy group, a lower alkoxy group or an acyloxy group; R
2
and R
3
, identical or different, represent a hydrogen or halogen atom, or a trifluoromethyl group, a trichloromethyl group, a hydroxy group, an alkoxy group or an acyloxy group comprising 1 to 5 carbon atoms, or R
2
and R
3
can combine to form an alkylene dioxy group. The invention is useful for rheumatic diseases.
1
该发明涉及具有以下式(Ia)和(Ib)的新型黄酮和异黄酮衍生物:其中:X代表式—COOR或—PO(OR)2的基团;R代表氢原子或碱金属或碱土金属,或低碳基;R1代表羟基、低碳氧基或酰氧基;R2和R3,相同或不同,代表氢原子或卤素原子,或三氟甲基基团、三氯甲基基团、羟基、烷氧基或含有1至5个碳原子的酰氧基,或R2和R3可以结合形成烷二氧基基团。该发明对风湿病有用。