PROBLEM TO BE SOLVED: To provide a therapeutic agent or a prophylactic agent for at least one inflammatory bowel disease among Crohns disease, ulcerative colitis, intestinal Behcets disease, hemorrhagic rectal ulcer, and pouchitis.SOLUTION: Provided is an amino alcohol derivative represented by the specified general formula (1a) or a pharmaceutically acceptable salt or hydrate thereof. [In the formula (1a), R1 represents trifluoromethyl group, R2 represents chlorine atom, R3 represents methyl group, X represents oxygen atom or sulfur atom, and n represents 2 or 3.]COPYRIGHT: (C)2014,JPO&INPIT【課題】クローン病、潰瘍性大腸炎、腸管型ベーチェット病、出血性直腸潰瘍、および回腸嚢炎のうち少なくともいずれかの炎症性腸疾患の治療剤または予防剤を提供する。【解決手段】下記一般式(1a)で表されるアミノアルコール誘導体または薬理学的に許容されるその塩もしくはそれらの水和物。[式(1a)中、R1はトリフルオロメチル基を、R2は塩素原子を、R3はメチル基を、Xは酸素原子または硫黄原子を、nは2または3を示す。]【選択図】なし
