DC-89 derivatives represented by the formula:
wherein X represents chlorine or bromine; and R represents
-SO₂R¹in which R¹ represents a straight-chain or branched alkyl group having 1 to 6 carbon atoms or phenyl group, or
-CO(CH2)nR²in which n represents an integer of 0 to 5, and R² represents
in which m represents an integer of 1 to 4;
Y represents a single bond or CO; and Z represents CH₂, O or N-R³ (in which R³ represents hydrogen or a straight-chain or branched alkyl group having 1 to 6 carbon atoms) or
in which R⁴ represents hydrogen or a straight-chain or branched alkyl group having 1 to 6 carbon atoms, and Ph represents phenyl group
and pharmaceutically acceptable salts thereof have an excellent anti-tumor activity and are expected to be useful as anti-tumor compositions.
DC-89 衍
生物用公式表示:
其中 X 代表
氯或
溴,R 代表
-SO₂R¹,其中 R¹ 代表具有 1 至 6 个碳原子的直链或支链烷基或苯基,或
-CO(
CH2)nR²,其中 n 代表 0 至 5 的整数,且 R² 代表
其中 m 代表 1 至 4 的整数;
Y 代表单键或 CO;Z 代表 CH₂、O 或 N-R³(其中 R³ 代表氢或具有 1 至 6 个碳原子的直链或支链烷基)或
其中 R⁴ 代表氢或具有 1-6 个碳原子的直链或支链烷基,Ph 代表苯基
及其药学上可接受的盐类具有优异的抗肿瘤活性,有望用作抗肿瘤组合物。