申请人:LI Wei
公开号:US20100099754A1
公开(公告)日:2010-04-22
A method of preparation of 5,6-dimethylxanthone-4-acetic acid (DMXAA) and derivatives thereof. The derivatives are represented by formula (I), wherein R represents totally 1 to 2 substitutes at 1, 2, 3, 7, and 8 position selected from a lower alkyl, halogen, CF
3
, CN, NO
2
, NH
2
, CH
2
COOH, OR
2
, OH, NHSO
2
R
2
, SR
2
, CH
2
CONHR
2
or NHR
2
, and R
2
represents a lower alkyl, or a lower alkyl having OH, NH
2
, or OCH
3
. The invention further provides a pharmaceutical composition having such derivatives used as excellent antitumor and antibacterial agents.
一种制备5,6-二甲基黄酮-4-乙酸(DMXAA)及其衍生物的方法。这些衍生物由式(I)表示,其中R代表在1、2、3、7和8位置中选择的1至2个取代基,包括较低的烷基、卤素、CF3、CN、NO2、NH2、CH2COOH、OR2、OH、NHSO2R2、SR2、CH2CONHR2或NHR2,R2表示较低的烷基,或具有OH、NH2或OCH3的较低的烷基。该发明还提供了一种药物组合物,其中这些衍生物被用作优秀的抗肿瘤和抗菌剂。