2-methoxyl-3-substituted sulfonamido-5-(2-acetamido-6-benzothiazolyl) benzamide compound, preparation method and application thereof

The invention discloses a 2-methoxyl-3-substituted sulfonamido-5-(2-acetamido-6-benzothiazolyl) benzamide compound, a preparation method and application thereof. The compound is characterized in that the structural formula of the compound is shown in a formula in the specification, wherein R is alkyl or aryl. The compound has remarkable in-vitro and in-vivo anti-tumor activities and is applicable to preparation of anti-tumor medicinal preparations.