Hexahydro-1,4-diazepine derivatives represented by general formula (I); pharmaceutically acceptable salts thereof; and drugs containing the same as the active ingredient, such as activated blood coagulation factor X inhibitor, wherein A: phenylene, pyridylene, or the like; B: a 5- or 6-membered aryl or heteroaryl ring; X: —CO—, —CONH—, —CSNH—, —SO2—, —SO2NH—, or the like; Y: a bond or alkylene; R1: hydrogen, alkyl, —Y—(hetero) aryl, or the like; R2: hydrogen, alkoxy, —COOH, or the like; R3: amidino or a group capable of being converted into amidino; and R4, R5: each independently hydrogen or lower alkyl.
                            通式(I)所表示的六氢-1,4-二氮杂环衍
生物;其药学上可接受的盐;以及包含其作为活性成分的药物,例如活化血凝因子X
抑制剂,其中A:苯撑基、
吡啶撑基或类似物;B:5-或6-成员芳基或杂芳基环;X:—CO—、—CONH—、—CSNH—、—SO2—、—SO2NH—或类似物;Y:键或烷基;R1:氢、烷基、—Y—(杂)芳基或类似物;R2:氢、烷氧基、—COOH或类似物;R3:酰胺基或能够转化为酰胺基的基团;以及R4、R5:各自独立地为氢或低碳基。