申请人:UNIV COLUMBIA
公开号:WO2013049364A1
公开(公告)日:2013-04-04
The invention provides a compound having the structure compound having the structure: Formula wherein bond a is present or absent, wherein when bond a is absent, then bond β is: Sign (I) and R1 is: Formula and when bond a is present, then R1 is OR10, wherein the phenyl is substituted or unsubstituted; wherein R10 is H, methyl, substituted or unsubstituted alkyl, substituted or unsubstituted heteroalkyl substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, phosphate, sulfate, sulfonic ester, or ester; and R2, R3, R4, R5, R6, R7, R8 and R9 are each independently H or OR11 wherein each occurrence of Rn is independently H, methyl, substituted or unsubstituted alkyl, substituted or unsubstituted heteroalkyl substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, phosphate, sulfate, sulfonic ester, or ester; or a salt thereof.
该发明提供了一种具有以下结构的化合物:其中键a存在或不存在,当键a不存在时,键β为:符号(I)和R1为:当键a存在时,R1为OR10,其中苯基取代或未取代;其中R10为H,甲基,取代或未取代的烷基,取代或未取代的杂烷基,取代或未取代的芳基,取代或未取代的杂芳基,磷酸酯,硫酸酯,磺酸酯或酯;R2、R3、R4、R5、R6、R7、R8和R9分别独立为H或OR11,其中每个Rn的出现独立为H,甲基,取代或未取代的烷基,取代或未取代的杂烷基,取代或未取代的芳基,取代或未取代的杂芳基,磷酸酯,硫酸酯,磺酸酯或酯;或其盐。