| 摘要 |
Variolin derivatives of formula (5) are provided, wherein the substituent groups defined by X 2 , R 1 , R 2 , R 3 , R 6 , R 7 and R 12 are each independently selected from the group consisting ofH, OH, OR', SH, SR', SOR', SO 2 R', NO 2 , NH 2 , NHR' (N(R') 2 , NHCOR', NHSO 2 R', CN, halogen, =O C(=O)H, C(=O)R', CO 2 H, CO 2 R', carboxyalkyl, C 1-12 alkyl, C 2 -C 12 alkenyl, C 2 -C 12 alkynyl, substituted or unsubstituted aryl, substituted or unsubstituted aralkyl and substituted or unsubstituted heteroaromatic; wherein each of the R' groups is independently selected from the group consisting of H, OH, SH, NO 2 , NH 2 , CN, halogen, =O, C(=O)H, C(=O)CH 3 , CO 2 H, CO 2 CH 3 , C 1 -C 12 alkyl, C 2 -C 12 alkenyl, C 2 -C 12 alkynyl, aryl, aralkyl and heteroaromatic; wherein the pairs of groups R 1 and R 2 , R 2 and R 3 , R 3 and R 12 , R 12 and R 6 , or R 6 and R 7 may be joined into a carbocyclic or heterocyclic ring system. |
