二氟尼柳 (diflunisal) 是一种非甾体抗炎镇痛药,被誉为阿司匹林最具前途的替代品。临床上用于治疗风湿性关节炎、类风湿关节炎、骨关节炎、扭伤和劳损,并具有显著的镇痛效果。研究显示二氟尼柳与布洛芬在治疗类风湿性关节炎及退行性关节炎方面疗效相当,甚至在提高握力、缓解关节疼痛及压痛方面优于布洛芬。此外,二氟尼柳还对降低类风湿因子滴定度和缓解晨僵有明显作用。其镇痛强度约为阿司匹林的7.5~13倍,解热作用是阿司匹林的1.4倍,治疗作用约强3倍,适用于多种疼痛管理,如关节炎、肌肉扭伤及原发性痛经引起的中度疼痛,值得临床推广应用。
二氟尼柳于1975年由美国默克公司(Merck Sharp & Dohme)开发上市。作为药物筛选的结果之一,它在多个国家获得广泛使用,并已有多版药典收录。目前,我国已有批准生产的二氟尼柳片剂和胶囊。
药动学二氟尼柳口服吸收良好,服后2~3小时血药浓度达到峰值,半衰期与给药剂量成正比,约为8~12小时,蛋白结合率为90%。每日125毫克的推荐使用时间为3至4天,而500毫克则为7至9天;125毫克的消除半衰期约为7~8小时,500毫克约为15小时。药物在体内的血浆蛋白结合率高达98%~99%,哺乳妇女乳汁中的含量为其血药浓度的2%~7%,二氟尼柳不被代谢成水杨酸,并以两种可溶性葡萄苷酸结合物的形式在72~96小时内经尿液排出约80%~95%。
合成路线合成步骤:
二氟尼柳是一种白色晶体化合物,熔点在210-211℃之间,难溶于水;其主要用作解热镇痛药物,也可用于治疗轻至中度疼痛性疾病,如风湿性关节炎、类风湿性关节炎、肌肉损伤或肿瘤术后引起的疼痛等。
此外,该药品还可应用于消化系统的相关疾病管理。其生产方法包括通过4-(2',4'-二氟苯基)苯酚与二氧化碳反应获得中间体4-(2',4'-二氟苯胺)苯酚,再经后续处理得到最终产品。
以上信息由Chemicalbook的鲍泉编辑整理(2016-01-22)。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl 2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carboxylate | 55544-00-8 | C14H10F2O3 | 264.228 |
—— | methyl 2',4'-difluoro-4-methoxy-[1,1'-biphenyl]-3-carboxylate | —— | C15H12F2O3 | 278.255 |
2',4'-二氟-3-联苯基羧酸 | 2',4'-difluoro-[1,1'-biphenyl]-3-carboxylic acid | 656304-77-7 | C13H8F2O2 | 234.202 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl 2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carboxylate | 55544-00-8 | C14H10F2O3 | 264.228 |
—— | diflunisal ethyl ester | 126093-86-5 | C15H12F2O3 | 278.255 |
—— | vinyl 5-(2,4-difluorophenyl)salicylate | —— | C15H10F2O3 | 276.239 |
—— | benzyl 2',4'-difluoro-4-hydroxybiphenyl-3-carboxylate | 1381777-23-6 | C20H14F2O3 | 340.326 |
—— | propyl 2',4'-difluoro-4-hydroxybiphenyl-3-carboxylate | 666734-49-2 | C16H14F2O3 | 292.282 |
4-氟-4-羟基-联苯-3-羧酸 | 2-hydroxy-5-(4'-fluorophenyl)benzoic acid | 22510-33-4 | C13H9FO3 | 232.211 |
—— | methyl 2',4'-difluoro-4-methoxy-[1,1'-biphenyl]-3-carboxylate | —— | C15H12F2O3 | 278.255 |
5-(2,4-二氟苯基)-2-羟基苯甲醛 | 2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carbaldehyde | 114937-29-0 | C13H8F2O2 | 234.202 |
4-乙酰氧基-2,4-二氟联苯-3-羧酸 | acetyldiflunisal | 55543-97-0 | C15H10F2O4 | 292.239 |
—— | iododiflunisal | 756477-09-5 | C13H7F2IO3 | 376.098 |
—— | 1-(ethoxycarbonyloxy) 5-(2,4-difluorophenyl)salicylate | —— | C16H12F2O6 | 338.264 |
—— | 5-chloro-2′,4′-difluoro-4-hydroxy-[1,1′-biphenyl]-3-carboxylic acid | —— | C13H7ClF2O3 | 284.647 |
—— | 5-bromo-2′,4′-difluoro-4-hydroxy-[1,1′-biphenyl]-3-carboxylic acid | —— | C13H7BrF2O3 | 329.098 |
磷酸二氟菊酯 | Diflunisal Phosphate | 84958-45-2 | C13H9F2O6P | 330.18 |
—— | 4-Ethoxycarbonyloxy-2',4'-difluoro-biphenyl-3-carboxylic acid | 40787-46-0 | C16H12F2O5 | 322.265 |
4-(苯甲酰基氧基)-2,4-二氟联苯-3-羧酸 | O-benzoyldiflunisal | 1058742-48-5 | C20H12F2O4 | 354.31 |
—— | O-bytanoyldiflunisal | —— | C17H14F2O4 | 320.293 |
—— | O-pentanoyldiflunisal | —— | C18H16F2O4 | 334.319 |
—— | 1-(ethoxycarbonyloxy)ethyl 5-(2,4-difluorophenyl) salicylate | —— | C18H16F2O6 | 366.318 |
—— | O-hexanoyldiflunisal | —— | C19H18F2O4 | 348.346 |
—— | 4-Butoxycarbonyloxy-2',4'-difluoro-biphenyl-3-carboxylic acid | 40787-44-8 | C18H16F2O5 | 350.319 |
—— | 5-(2,4-Difluorophenyl)-2-hydroxybenzoyl chloride | 344348-56-7 | C13H7ClF2O2 | 268.647 |
—— | 2',4'-difluoro-4-hydroxybiphenyl-3-carboxylic acid hydrazide | 662157-81-5 | C13H10F2N2O2 | 264.231 |
—— | 5-(2,4-difluorophenyl)-2-hydroxy-N,N-dimethylbenzamide | 1119752-68-9 | C15H13F2NO2 | 277.271 |
—— | 2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carboxylic acid 4-(3H-1,2-dithiole-3-thione-5-yl)-phenyl ester | —— | C22H12F2O3S3 | 458.53 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-phenyl-meth-(E)-ylidene]-hydrazide | 662157-83-7 | C20H14F2N2O2 | 352.34 |
—— | 5-(2,4-difluorophenyl)-N,N-diethyl-2-hydroxybenzamide | 1119752-71-4 | C17H17F2NO2 | 305.324 |
—— | 5,5'-diallyl-2'-hydroxy-[1,1'-biphenyl]-2-yl-2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carboxylate | —— | C31H24F2O4 | 498.526 |
—— | 5,5'-diallyl-[1,1'-biphenyl]-2,2'-diyl-bis(2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carboxylate) | —— | C44H30F4O6 | 730.712 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-p-tolyl-meth-(E)-ylidene]-hydrazide | 662157-92-8 | C21H16F2N2O2 | 366.367 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-(4-hydroxy-phenyl)-meth-(E)-ylidene]-hydrazide | —— | C20H14F2N2O3 | 368.34 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-(4-fluoro-phenyl)-meth-(E)-ylidene]-hydrazide | 662157-89-3 | C20H13F3N2O2 | 370.331 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-(3-fluoro-phenyl)-meth-(E)-ylidene]-hydrazide | 662157-88-2 | C20H13F3N2O2 | 370.331 |
—— | ethyl ester of N-[5-(2,4-difluorophenyl)-salicyloyl]glycine | 850008-61-6 | C17H15F2NO4 | 335.307 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-(4-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide | —— | C21H16F2N2O3 | 382.366 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-(4-bromo-phenyl)-meth-(E)-ylidene]-hydrazide | —— | C20H13BrF2N2O2 | 431.236 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-(4-chloro-phenyl)-meth-(E)-ylidene]-hydrazide | 662157-85-9 | C20H13ClF2N2O2 | 386.785 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-(2-hydroxy-phenyl)-meth-(E)-ylidene]-hydrazide | —— | C20H14F2N2O3 | 368.34 |
—— | N'-[(4-cyanophenyl)methylidene]-2',4'-difluoro-4-hydroxybiphenyl-3-carbohydrazide | —— | C21H13F2N3O2 | 377.35 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-(2-fluoro-phenyl)-meth-(E)-ylidene]-hydrazide | 662157-87-1 | C20H13F3N2O2 | 370.331 |
—— | 2',4'-difluoro-4-hydroxy-N'-[(thiophen-2-yl)methylidene]biphenyl-3-carbohydrazide | —— | C18H12F2N2O2S | 358.368 |
2,4-二氟-3-(甲基氨基甲酰)联苯-4-苯甲酸 | 2',4'-Difluoro-3-(methylcarbamoyl)[1,1'-biphenyl]-4-yl benzoate | 1095208-31-3 | C21H15F2NO3 | 367.352 |
—— | N'-[(2,6-difluorophenyl)methylidene]-2',4'-difluoro-4-hydroxybiphenyl-3-carbohydrazide | —— | C20H12F4N2O2 | 388.321 |
2,4-二氟-3-(甲基氨基甲酰)联苯-4-乙酸 | 2',4'-Difluoro-3-(methylcarbamoyl)[1,1'-biphenyl]-4-yl acetate | 950984-92-6 | C16H13F2NO3 | 305.281 |
—— | N-(4-cyanophenyl)-2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carboxamide | 1468402-87-0 | C20H12F2N2O2 | 350.324 |
—— | 2-(2-((2',4'-difluoro-3-(methoxycarbonyl)biphenyl-4-yloxy)carbonylthio)propanamido)acetic acid | 1381777-21-4 | C20H17F2NO7S | 453.42 |
—— | [5-(2,4-Difluorophenyl)-2-hydroxyphenyl]-(4-methylpiperazin-1-yl)methanone | 1119752-73-6 | C18H18F2N2O2 | 332.35 |
—— | N'-[(2-chlorophenyl)methylidene]-2',4'-difluoro-4-hydroxybiphenyl-3-carbohydrazide | —— | C20H13ClF2N2O2 | 386.785 |
—— | N'-[(5-methylthiophen-2-yl)methylidene]-2',4'-difluoro-4-hydroxybiphenyl-3-carbohydrazide | —— | C19H14F2N2O2S | 372.395 |
—— | [5-(2,4-Difluorophenyl)-2-hydroxyphenyl]-(4-ethylpiperazin-1-yl)methanone | 1119752-74-7 | C19H20F2N2O2 | 346.377 |
—— | 2',4'-difluoro-4-hydroxybiphenyl-3-carboxylic acid [(2,4,6-trimethylphenyl)methylene]hydrazide | —— | C23H20F2N2O2 | 394.421 |
—— | (R)-2-acetamido-3-((2',4'-difluoro-3-(methoxycarbonyl)biphenyl-4-yloxy)carbonylthio)propanoic acid | 1381777-04-3 | C20H17F2NO7S | 453.42 |
—— | 2',4'-difluoro-4-hydroxy-N-(4-(trifluoromethyl)phenyl)-[1,1'-biphenyl]-3-carboxamide | 1468402-84-7 | C20H12F5NO2 | 393.313 |
—— | N'-[(2,6-dichlorophenyl)methyliden]-2',4'-difluoro-4-hydroxybiphenyl-3-carbohydrazide | —— | C20H12Cl2F2N2O2 | 421.23 |
—— | N'-[(3,4-dichlorophenyl)methylidene]-2',4'-difluoro-4-hydroxybiphenyl-3-carbohydrazide | —— | C20H12Cl2F2N2O2 | 421.23 |
—— | N-(3,4-difluorophenyl)-2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carboxamide | 1468402-81-4 | C19H11F4NO2 | 361.295 |
—— | [4-(2,4-Difluorophenyl)-2-(ethylcarbamoyl)phenyl] acetate | 950984-93-7 | C17H15F2NO3 | 319.308 |
—— | N-(3-cyanophenyl)-2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carboxamide | 1468402-86-9 | C20H12F2N2O2 | 350.324 |
3-(苄基氨基甲酰)-2,4-二氟联苯-4-乙酸 | 3-(Benzylcarbamoyl)-2',4'-difluoro[1,1'-biphenyl]-4-yl acetate | 1119752-53-2 | C22H17F2NO3 | 381.379 |
—— | 2',4'-difluoro-4-hydroxy-N-(3-methoxyphenyl)-[1,1'-biphenyl]-3-carboxamide | 1468402-89-2 | C20H15F2NO3 | 355.341 |
—— | N-(3-ethynylphenyl)-2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carboxamide | 1468402-85-8 | C21H13F2NO2 | 349.337 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-(2,4-dichloro-phenyl)-meth-(E)-ylidene]-hydrazide | —— | C20H12Cl2F2N2O2 | 421.23 |
—— | N-(2,4-difluorophenyl)-2',4'-difluoro-4-hydroxybiphenyl-3-carboxamide | 1468402-80-3 | C19H11F4NO2 | 361.295 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-(4-nitro-phenyl)-meth-(E)-ylidene]-hydrazide | —— | C20H13F2N3O4 | 397.338 |
—— | N'-[(3-phenoxyphenyl)methylidene]-2',4'-difluoro-4-hydroxybiphenyl-3-carbohydrazide | —— | C26H18F2N2O3 | 444.437 |
—— | 2',4'-Difluoro-4-hydroxy-biphenyl-3-carboxylic acid [1-(4-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazide | —— | C21H16F2N2O4 | 398.366 |
—— | N-(2,5-difluorophenyl)-2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carboxamide | 1468402-82-5 | C19H11F4NO2 | 361.295 |
—— | 2',4'-difluoro-4-hydroxy-N-(3-(trifluoromethyl)phenyl)-[1,1'-biphenyl]-3-carboxamide | —— | C20H12F5NO2 | 393.313 |
—— | (R)-2-acetamido-3-((2',4'-difluoro-4-hydroxybiphenyl-3-carbonyl)thio)propanoic acid | 96325-00-7 | C18H15F2NO5S | 395.384 |
2,4-二氟-3-(苯基氨基甲酰)联苯-4-苯甲酸 | 2',4'-Difluoro-3-(phenylcarbamoyl)[1,1'-biphenyl]-4-yl benzoate | 1095208-46-0 | C26H17F2NO3 | 429.423 |
3-(二乙基氨基甲酰)-2,4-二氟联苯-4-苯甲酸 | 3-(Diethylcarbamoyl)-2',4'-difluoro[1,1'-biphenyl]-4-yl benzoate | 1095208-40-4 | C24H21F2NO3 | 409.432 |
—— | [4-(2,4-Difluorophenyl)-2-(phenylcarbamoyl)phenyl] acetate | 950984-94-8 | C21H15F2NO3 | 367.352 |
—— | N'-[(2-chloro-6-fluorophenyl)methylidene]-2',4'-difluoro-4-hydroxybiphenyl-3-carbohydrazide | —— | C20H12ClF3N2O2 | 404.776 |
—— | N-(4-chloro-2-fluorophenyl)-2',4'-difluoro-4-hydroxybiphenyl-3-carboxamide | 1468402-79-0 | C19H11ClF3NO2 | 377.75 |
—— | [4-(2,4-Difluorophenyl)-2-[(4-methylphenyl)carbamoyl]phenyl] acetate | 950984-95-9 | C22H17F2NO3 | 381.379 |
—— | [2-(Cyclohexylcarbamoyl)-4-(2,4-difluorophenyl)phenyl] acetate | 1119752-51-0 | C21H21F2NO3 | 373.399 |
—— | N-(3,4-dimethoxyphenyl)-2',4'-difluoro-4-hydroxy-[1,1'-biphenyl]-3-carboxamid | 1468402-88-1 | C21H17F2NO4 | 385.367 |
—— | 2',4'-difluoro-4-hydroxy-N-(2-(trifluoromethyl)phenyl)-[1,1'-biphenyl]-3-carboxamide | 1468402-83-6 | C20H12F5NO2 | 393.313 |
—— | [2-[(4-Chlorophenyl)carbamoyl]-4-(2,4-difluorophenyl)phenyl] acetate | 950984-98-2 | C21H14ClF2NO3 | 401.797 |