A compound represented by the following formula (1) or a salt thereof:
wherein R1 represents hydrogen atom, a halogen atom and the like; R2 represents hydrogen atom, a halogen atom, a C1-6 alkyl group and the like; and R3 represents —O—X—C(A1)(A11)-C(A2)(A21)-N(A31)(A3) (X represents propylene group etc., A11 and A21 represent hydrogen atom, or a C1-6 alkyl group, A31 represents a C1-6 alkyl group substituted with hydroxyl group, or hydrogen atom, and A1, A2, and A3 represent hydrogen atom, a C1-6 alkyl group and the like) and the like, which has an inhibitory activity on the phosphorylation of myosin regulatory light chain, and is useful for treatment of diseases relating to contraction of various cells and the like.
下列化合物的分子式(1)或其盐:其中,R1代表
氢原子、卤原子等;R2代表
氢原子、卤原子、C1-6烷基等;R3代表-O-X-C(A1)(A11)-C(A2)(A21)-N(A31)(A3)(X代表
丙烯基等,A11和A21代表
氢原子或C1-6烷基,A31代表一个带有羟基取代的C1-6烷基或
氢原子,A1、A2和A3代表
氢原子、C1-6烷基等),该化合物具有对肌球蛋白调节轻链
磷酸化的抑制活性,可用于治疗与各种细胞收缩相关的疾病等。