申请人:Grand Pharma (China) Co., Ltd.
公开号:US08350065B2
公开(公告)日:2013-01-08
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, CF3, CN, NO2, NH2, CH2COOH, OR2, OH, NHSO2R2, SR2, CH2CONHR2 or NHR2, and R2 represents a lower alkyl, or a lower alkyl having OH, NH2, or OCH3. 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。该衍生物由式(I)表示,其中R代表在1、2、3、7和8位选择的1到2个取代基,所述取代基选择自较低的烷基、卤素、CF3、CN、NO2、NH2、CH2COOH、OR2、OH、NHSO2R2、SR2、CH2CONHR2或NHR2,R2代表较低的烷基,或具有OH、NH2或OCH3的较低的烷基。本发明还提供了一种药物组合物,其使用这种衍生物作为优异的抗肿瘤和抗菌剂。