A prostaglandin derivative represented by the formula
(wherein X is a halogen atom; Y is ethylene group, vinylene group or ethylylene group; Z is a group represented by —(CH
2
)
m
, —O(CH
2
)
n
— or —S(O)
p
—(CH
2
)
n
— (m is an integer of 0 to 3; n is an integer of 0 to 2; and p is an integer of 0 to 2); R
1
is a hydrogen atom, a C
1-5
alkyl group or a substituted C
1-5
alkyl group; R
2
is a C
3-10
cycloalkyl group, a C
3-10
cycloalkyl group substituted by C
1-4
alkyl group or C
4-15
cycloalkylalkyl group; and R
3
is a hydrogen atom, a halogen atom or a C
1-5
alkyl group or a substituted C
1-5
alkyl group), a pharmaceutically acceptable salt thereof or a hydrate thereof which has an excellent antagonism to prostaglandin DP receptor and, therefore, is useful against diseases such as allergic rhinitis, nasal obstruction, asthma, allergic conjunctivitis, systemic mastocytosis and disorder of systemic mast cell activation.
一种
前列腺素衍
生物,其
化学式为:其中X为卤素原子;Y为
乙烯基,
乙烯基或乙基基;Z为由-(
CH2)m,-O( )n-或-S(O)p-( )n-表示的基团(其中m为0至3的整数;n为0至2的整数;p为0至2的整数);R1为
氢原子,C1-5烷基或取代的C1-5烷基;R2为C3-10
环烷基,C3-10
环烷基被C1-4烷基或C4-15
环烷基烷基取代;R3为
氢原子,卤素原子或C1-5烷基或取代的C1-5烷基,其药物可接受的盐或
水合物对
前列腺素DP受体具有优异的拮抗作用,因此对过敏性鼻炎,鼻塞,哮喘,过敏性结膜炎,系统性肥大细胞病和系统性肥大细胞激活障碍等疾病有用。