Provided are a novel pyrimidine compound that inhibits HER2 activity and exhibits brain penetration properties, or a salt thereof, and a pharmaceutical composition comprising the same.
A compound represented by the following formula (I), or a salt thereof:
wherein R1 represents a C1-C4 alkyl group optionally having a C1-C4 alkoxy group as a substituent, or a C3-C4 cycloalkyl group;
R2 represents a hydrogen atom, a halogen atom, a C1-C6 alkyl group optionally having 1 to 5 C1-C4 alkoxy groups or fluorine atoms each as a substituent(s), or a C1-C6 alkoxy group;
R3 represents a hydrogen atom, or a C1-C4 alkyl group optionally having 1 to 5 fluorine atoms as a substituent(s);
R4 represents a hydrogen atom or a C1-C4 alkyl group; and
R5 represents a phenyl group optionally having 1 to 3 substituents selected from fluorine atoms and chlorine atoms.
本文提供了一种抑制 HER2 活性并具有脑穿透特性的新型
嘧啶化合物或其盐,以及包含该化合物的药物组合物。
由下式(I)代表的化合物或其盐:
其中 R1 代表任选具有 C1-C4 烷氧基作为取代基的 C1-C4 烷基或 C3-C4 环烷基;
R2 代表氢原子、卤素原子、任选具有 1 至 5 个 C1-C4 烷氧基或
氟原子作为取代基的 C1-C6 烷基或 C1-C6 烷氧基;
R3 代表氢原子,或任选具有 1 至 5 个
氟原子作为取代基的 C1-C4 烷基;
R4 代表氢原子或 C1-C4 烷基;以及
R5 代表苯基,可选择具有 1 至 3 个选自
氟原子和
氯原子的取代基。