| 摘要 |
<p>A compound according to formula (I): <CHEM> wherein R is C1-C10 alkyl; phenyl or C7-C10 aralkyl; C2-C10 aklyl substituted with one or two substituents selected from the group consisting of OR1 and -NR2R3; C2-C10 alkyl interrupted by one or two oxygen atoms or by a member selected from the group consisting of -NR4-, cis -CH=CH, trans -CH=CH- and -C=C-, and optionally substituted with one or two hydroxy (OH) or -NR2R3 groups; and wherein R1 is selected from the group consisting of hydrogen, C1-C6 alkyl, phenyl, C7-C10 aralkyl, -CHO, -COR5-, -COOR5, -S(O2)R5 and C2-C6 alkyl optionally substituted with -NR2R3; R2 and R3 are the same or different and are selected from the group consisting of hydrogen, C1-C10 alkyl, C7-C10 aralkyl, phenyl, C2-C10 alkyl substituted with one or two hydroxy (OH) groups, -CHO, -COR5, -COOR5, and -S(O2)R5, R2 and R3 taken together with the nitrogen atom to which they are bound form an ethyleneimine ring or a 5- or 6-membered aromatic or non-aromatic heterocyclic ring optionally containing another heteroatom selected from the group consisting of sulfur, oxygen and nitrogen, R2 is H and R3 is -C(=NH)NH2 or R2 is -C(=NH)NH2 and R3 is H; R4 is selected from the group consisting of hydrogen, C1-C10 alkyl, C2-C10 hydroxyalkyl, C2-C10 alkyl substituted with -NR2R3, C7-C10 aralkyl, phenyl, -COR5, -COOR5 and -S(O2)R5; R5 is selected from the group consisting of C1-C10 alkyl, C7-C10 aralkyl, alpha -, beta -, or gamma -naphthyl, phenyl, o-, m-, or p-tolyl as free bases and their salts with pharmaceutically acceptable acids, have been found to have cytostatic and anti-tumor activity.</p> |
