申请人:Oxagen Limited
公开号:US07750027B2
公开(公告)日:2010-07-06
Compounds of general formula (I)
wherein
W is chloro or fluoro;
R1 is phenyl optionally substituted with one or more substituents, selected from halo, —CN, —C1-C6 alkyl, —SOR3, —SO2R3, —SO2N(R2)2, —N(R2)2, —NR2C(O)R3, —CO2R2, —CONR2R3, —NO2, —OR2, —SR2, —O(CH2)pOR2, or —O(CH2)pO(CH2)qOR2 wherein
each R2 is independently hydrogen, —C1-C6 alkyl, —C3-C8 cycloalkyl, aryl or heteroaryl;
each R3 is independently, —C1-C6 alkyl, —C3-C8 cycloalkyl, aryl or heteroaryl;
p and q are each independently an integer from 1 to 3; and
R4 is hydrogen, C1-C6 alkyl, C1-C6 alkyl substituted with aryl, aryl, (CH2)mOC(═O)C1-C6alkyl, ((CH2)mO)nCH2CH2X, (CH2)mN(R5)2 or CH((CH2)mO(C═O)R6)2;
m is 1 or 2;
n is 1-4;
X is OR5 or N(R5)2;
R5 is hydrogen or methyl; and
R6 is C1-C18 alkyl;
and their pharmaceutically acceptable salts, hydrates, solvates, complexes or prodrugs are useful in orally administrable compositions for the treatment of allergic diseases such as asthma, allergic rhinitis and atopic dermatitis.
通式(I)的化合物,其中W为氯或氟;R1为苯基,可选地取代一个或多个取代基,选自卤素,—CN,—C1-C6烷基,—SOR3,—SO2R3,—SO2N(R2)2,—N(R2)2,—NR2C(O)R3,—CO2R2,—CONR2R3,—NO2,—OR2,—SR2,—O(CH2)pOR2或—O(CH2)pO(CH2)qOR2,其中每个R2独立地为氢,—C1-C6烷基,—C3-C8环烷基,芳基或杂环芳基;每个R3独立地为—C1-C6烷基,—C3-C8环烷基,芳基或杂环芳基;p和q各自独立地为1至3的整数;以及R4为氢,C1-C6烷基,取代芳基的C1-C6烷基,芳基,(CH2)mOC(═O)C1-C6烷基,((CH2)mO)nCH2CH2X,(CH2)mN(R5)2或CH((CH2)mO(C═O)R6)2;m为1或2;n为1-4;X为OR5或N(R5)2;R5为氢或甲基;以及R6为C1-C18烷基;它们的药学上可接受的盐,水合物,溶剂化合物,络合物或前药在口服制剂中用于治疗过敏性疾病,如哮喘,过敏性鼻炎和特应性皮炎。