申请人:Baraldi Pier Giovanni
公开号:US20100105740A1
公开(公告)日:2010-04-29
The invention relates to compounds of formula (I) in which R is selected from halogen, alkyl, alkoxy, aryl and heteroaryl; R
1
is selected from 2-hydroxyethyl, 2,3-dihydroxypropyl, 3-hydroxypropyl, 2,2-dihydroxyethyl, 3,3-dihydroxypropyl, 1,3-dioxolane-ethyl, 1,3-dioxane-methyl, 1,3-dioxolane-methyl, 1,3-dioxane-ethyl, 3-fluoro-2-hydroxypropyl, 3-car-boxy-2-hydroxy-propyl, 3-chloro-2-hydroxypropyl, 2-hydroxypropyl, 2-hydroxy-propen-2-yl, morpholinoethyl, piperazinoethyl, hydroxymethyl, benzyl, 4-(hydroxymethyl)benzyl, 4-chlorobenzyl, 4-fluorobenzyl, and 4-hydroxybenzyl. R
2
is te/t-butyl or trifluoromethyl; R3 is independently selected from hydrogen, carboxy, cyano, alkyl or hydroxyalkyl, 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.
本发明涉及式(I)的化合物,其中R选自卤素,烷基,烷氧基,芳基和杂环芳基; R1选自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,1,3-二氧杂环戊基乙基,1,3-二氧杂环戊烷甲基,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-羧基-2-羟丙基,3-氯-2-羟丙基,2-羟丙基,2-羟基-丙烯-2-基,吗啡啶基乙基,哌嗪基乙基,羟甲基,苯甲基,4-(羟甲基)苯甲基,4-氯苯甲基,4-氟苯甲基和4-羟基苯甲基。 R2是叔丁基或三氟甲基; R3独立选自氢,羧基,氰基,烷基或羟基烷基。式(I)的化合物可用于制备药物组合物,治疗炎症状态,例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,炎症性疼痛增敏,术后疼痛,牙科拔牙,气道和胃肠疾病。