O-substituted-dibenzyl urea- or thiourea- derivatives as trpv1 receptor antagonists
申请人:Pharmeste S.r.l.
公开号:EP1939173A1
公开(公告)日:2008-07-02
The invention relates to compounds of formula (I)
wherein
R is halogen;
R1 is selected from 2-hydroxyethyl, 2,3-dihydroxypropyl, 3-hydroxypropyl, 2,2-dihydroxyethyl, 3,3-dihydroxypropyl, aminomethyl, 2-aminoethyl, 3-aminopropyl, 3-amino-2-hydroxypropyl, 1,3-dioxolane-ethyl, 1,3-dioxane-methyl, 1,3-dioxolane-methyl, 1,3-dioxane-ethyl, 3-fluoro-2-hydroxypropyl, 3-chloro-2-hydroxypropyl, 2-hydroxypropyl, 2-hydroxypropen-2-yl, morpholinoethyl, piperazinoethyl, hydroxymethyl, benzyl, 4-(hydroxymethyl)benzyl, 4-chlorobenzyl, 4-fluorobenzyl, 4-hydroxybenzyl, and 4-aminobenzyl;
R2 is O or S;
R3 is tert-butyl or trifluoromethyl;
n is an integer selected from 0, 1 or 2.
The compounds of formula (I) can be used for the preparation of pharmaceutical compositions for the therapy of inflammatory states, such as chronic neuropathic pain, over-active bladder syndrome, tumor pain, haemorrhoids, inflammatory hyperalgesia, post-intervention pain, dental extraction, airway and gastro-intestinal diseases.
该发明涉及式(I)的化合物,其中R为卤素;R1从2-羟乙基、2,3-二羟丙基、3-羟丙基、2,2-二羟乙基、3,3-二羟丙基、氨甲基、2-氨乙基、3-氨丙基、3-氨基-2-羟丙基、1,3-二氧杂环戊基乙基、1,3-二氧杂环戊基甲基、1,3-二氧杂环戊基甲基、1,3-二氧杂环戊基乙基、3-氟-2-羟丙基、3-氯-2-羟丙基、2-羟丙基、2-羟丙烯基、吗啉基乙基、哌嗪基乙基、羟甲基、苄基、4-(羟甲基)苄基、4-氯苄基、4-氟苄基、4-羟基苄基和4-氨基苄基中选择;R2为O或S;R3为叔丁基或三氟甲基;n为0、1或2的整数。式(I)的化合物可用于制备用于治疗炎症状态的药物组合物,如慢性神经病性疼痛、过度活跃的膀胱综合症、肿瘤疼痛、痔疮、炎症性过敏、术后疼痛、拔牙、气道和胃肠疾病。