CN1224350A - 托吡酯或其衍生物在制备治疗躁狂抑郁性两极(神经)细胞失调症的药剂中的用途 - Google Patents
托吡酯或其衍生物在制备治疗躁狂抑郁性两极(神经)细胞失调症的药剂中的用途 Download PDFInfo
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Abstract
本发明公开了用于治疗躁狂抑郁症的抗惊厥药物衍生物。
Description
本发明的背景技术
式Ⅰ化合物是结构上新颖的抗癫痫化合物,动物实验表明它是高效的抗惊厥剂(Maryanoff,B.E,Nortey,S.O.,Gardocki,J.F.,Shank,R.P.和Dodgson,S.P.,《医药化学杂志》(J.Med.Chem.)30,880-887,1987;Maryanoff,B.E.,Costanzo,M.J.,Shank,R.P.,Schupsky,J.J.,Ortegon,M.E.,和Vaught J.L.《生物有机与医药化学快报》(Bioorganic & MedicianalChemistry Letters)3,2653-2656,1993,McComsey,D.F.和Maryanoff,B.E.,《有机化学杂志》(J.Org.Chem.)1995)。这些化合物包含在Nos.4,513,006、5,384,327和5,498,629三项美国专利中。已证实这些化合物其中之一2,3∶4,5-二O-(1-甲基亚乙基)-β-D-吡喃果糖氨基磺酸酯,即称为托吡酯者,在人类癫痫病的临床试验中,它在治疗简单与复杂的部分癫痫发作和继发性全身癫痫发作方面,可作为有效的辅助疗法或单一疗法(E.FAUGHT,B.J.WILDER,R.E.RAMSEY,R.A.REIFE,LD.KRAMER,G.W.PLEDGER,R.M.KARIM等,《癫痫》36(S4)33,1995;S.K.SACHDEO,R.C.SACHDEO,R.A.REIFE,P.LIM和G.PLEDGER,《癫痫》36(S4)33,1995),在英国、芬兰、美国和瑞典已广泛销售,用于治疗伴有或不伴继发性全身癫痫发作的简单和复杂的部分癫痫发作的癫痫,并已在全世界许多国家提出希望获得法定批准的申请。
最初是在传统的小鼠最大电休克癫痫发作(MES)实验中发现式Ⅰ化合物具有抗惊厥活性的(SHANK,R.P.GARDOCKI,J.F.,VAUGHT,J.L.,DAVIS,CB.,SCHUPSKY,J.J.,RAFFA,R.B.,DODGSON,S.J.,NORTEY,S.O.,和MARYANOFF,B.E.,《癫痫》35,450-460,1994)。随后的研究证实了式Ⅰ化合物在大鼠MES实验中也是非常有效的。而且最近发现托吡酯在一些癫痫的啮齿动物模型中能有效地阻止癫痫发作(J.NAKAMURA,S.TAMURA,T.KANDA,A.ISHII,K.ISHIHARA,T.SERIKAWA,J.YAMADA和M.SASA,《欧洲药学杂志》,254,83-89,1994),并在一种激动致癫痫的动物模型中也能阻断癫痫发作(A.WAUQUIER和S.ZHOU,《癫痫研究》,24,73-77,1996版)。
有关托吡酯的最近临床前研究揭示了其以前未被发现的药学性质,这提示托吡酯在治疗躁狂抑郁性两极(神经)细胞失调症(MDBD)方面是有效的。
对本发明的说明
X是CH2或氧;
R1是氢或烷基;和
R6和R7是相同或不同的,可以是氢、低级烷基或是烷基,并且可结合形成环戊基或环己基环。
尤其是,R1是氢或具约1-4个碳原子的烷基,如甲基、乙基和异丙基。此说明书中的烷基包括直链和支链烷基。R2、R3、R4、R5、R6和R7代表的烷基基团约有1-3个碳原子,包括甲基、乙基、异丙基和正丙基。
式(Ⅰ)一组特别的化合物是,其中X是氧,R2和R3与R4和R5均为具有式(Ⅱ)结构的亚甲二氧基,其中R6和R7均为氢、烷基,或结合形成一螺环戊基或环己基环,尤其是R6和R7均为烷基,如甲基。第二组化合物是那些X为CH2、R4和R5结合形成苯环者。第三组式(Ⅰ)化合物是那些R2和R3均为氢者。
可以按以下方法合成式(Ⅰ)化合物:
(a)将具有结构式为RCH2OH的醇与具有结构式为ClSO2NH2或ClSO2NHR1的氯氨基磺酸酯在有碱如丁醇钾(potassium a-butoxide)或氢化钠存在的条件下进行反应,反应温度约为-20℃-25℃,反应溶剂为甲苯、四氢呋喃(THF)或二甲基甲酰胺,其中R是下式(Ⅲ)的一部分。
(b)将具有结构式RCH2OH的醇与具有结构式SO2Cl2的硫酰氯在有碱如三乙胺或吡啶存在的条件下反应,反应温度约为-40℃至25℃,反应溶剂为二乙醚或二氯甲烷,生成具有结构式RCH2OSO2Cl的氯硫酸酯。
然后可将具有式RCH2OSO2Cl的氯硫酸酯与具有式R1NH2的胺在约40℃至25℃的温度条件下、在溶剂如二氯甲烷或乙腈中反应生成式(Ⅰ)化合物。(b)反应的条件在T.Tsuchiya等,Tet.Letters,No.36,3365-3368页(1978)有记载。
(c)按M.Hedayatullah在Tet.Letters,2455-2458(1975)所记载的,将氯硫酸酯RCH2OSOCl与金属叠氮化物如叠氮化钠在溶剂如二氯甲烷或乙腈中反应,产生叠氮硫酸酯,式为RCH2OSO2N3。然后将叠氮硫酸酯还原成具有式(Ⅰ)的化合物,其中R1是由催化氢化作用产生的氢,如,一种贵重金属和H2的催化氢化反应,或通过将铜金属在如甲醇的溶剂中加热产生的。
具有式RCH2OH结构的初始物质可以通过市售得到或按本领域已知的方法得到。例如,具有式RCH2OH结构的初始物质(其中R2和R3、与R4和R5相同且具有式(Ⅱ)结构),可以按R.F.Brady在《碳水化合物研究》,14卷,35-40页(1970)所述的方法得到,或通过将具有R6COR7酮或醛结构的三甲基硅烯醇醚与果糖在约25℃条件下、在卤化碳类溶剂如二氯甲烷中、在有质子酸如盐酸或路易斯酸如氯化锌存在下反应而得到。G.L.Larson等在《有机化学杂志》38卷22期3935页(1973)记载了三甲基硅烯醇醚反应。
进而,可以采用标准还原技术,如与氢化锂铝、硼氢化钠或甲硼烷-THF配合物在惰性溶剂如二甘醇二甲醚、四氢呋喃或甲苯中,在约为0℃至100℃的温度下反应,如H.O.House在《现代合成反应》,第2版,45-144页(1972)所述,将具有式RCHOH和RCHO结构的羧酸和醛还原成式RCH2OH结构的化合物。
也可以通过美国专利NO.4,513,006公开的方法制备式Ⅰ化合物,此专利在此作为参考。
式Ⅰ化合物包括各种单独的异构体及其外消旋物,如,6元环上的R2、R3、R4和R5的各种α-和β-侧链,即在附图平面的上方和下方。优选亚甲二氧基基团(Ⅱ)中的氧连接在6元环的同一侧。
躁狂抑郁性两极(神经)细胞失调症是一种病因未知的进行性精神疾病(F.GOODWIN和K.R.JAMISON,《躁狂抑郁性疾病》,牛津大学出版社,纽约,1990);但躁狂抑郁性疾病的复发假想是由电生理激发造成的(F.GOODWIN和K.R.JAMISON,《躁狂抑郁性疾病》,牛津大学出版社,纽约,P405-407,1990)。已证明托吡酯在阻断大鼠的激动性癫痫发作方面是有效的。(A.WAUQUIER和S.ZHOU,《癫痫研究》,24,73-77,1996年出版)。
为治疗躁狂抑郁性两极(神经)细胞失调症,对一般的成年人可以按约50到200mg范围的每日剂量使用式(Ⅰ)化合物,通常将此剂量分为两次服用。每单位剂量应含有约25到100mg的活性成分。
为制备此项发明中的药物化合物,将一种或多种具有式(Ⅰ)结构的氨基磺酸酯化合物按照常规的药物配制技术与药物载体紧密掺合,其中,根据用药所需的剂型,如口服、或栓剂或肠胃外剂型可以采用多种形式的载体。在制备口服剂型的组合物时,可以使用任何一种常用药物介质。因此,对于口服液体制剂,例如悬孚剂、酏剂和溶液剂,合适的载体和添加剂包括水、乙二醇、油、乙醇、调味剂、防腐剂、着色剂和类似物质;对于固体口服制剂,如粉剂、胶囊和药片,合适的载体和添加剂包括淀粉、糖、稀释剂、制粒剂、润滑剂、粘合剂、崩解剂和类似物质。由于药片和胶囊服用方便,它们代表了最有利的口服单剂量剂型,在这种情况下显然使用了固体药物载体。如果需要,药片可以采用标准工艺包覆糖衣或肠溶衣。可以使用可可脂作为载体制备栓剂。对于肠胃外剂型,载体通常包括无菌水,而为了如助溶或保存的目的,也可以包括其它成分。也可以使用适宜的液体载体、悬浮剂和类似物质,制备注射用悬浮剂。托吡酯通常采用含有25mg、100mg或200mg活性成分的圆形片剂口服用药。此药片中含有下列非活性组分:含水乳糖、预胶化淀粉、微晶纤维素、甘醇酸定粉钠、硬脂酸镁、纯化水、巴西棕榈蜡、羟丙基甲基纤维素、二氧化钛、聚乙二醇、合成氧化铁和多乙氧基醚。
此处的药物组合物如药片、胶囊、粉针剂、茶剂、栓剂和类似剂型,每剂量单位将含有大约25到100mg的活性成分。
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US2085096P | 1996-06-28 | 1996-06-28 | |
US60/020,580 | 1996-06-28 | ||
US08/881,008 US5753693A (en) | 1996-06-28 | 1997-06-23 | Anticonvulsant derivatives useful in treating manic-depressive bipolar disorder |
PCT/US1997/010949 WO1998000123A1 (en) | 1996-06-28 | 1997-06-24 | Use of topiramate or derivatives thereof for the manufacture of a medicament for the treatment of manic-depressive bipolar disorders |
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1997
- 1997-06-23 US US08/881,008 patent/US5753693A/en not_active Expired - Fee Related
- 1997-06-24 SK SK1804-98A patent/SK180498A3/sk unknown
- 1997-06-24 RU RU98123607/14A patent/RU2185824C2/ru not_active IP Right Cessation
- 1997-06-24 WO PCT/US1997/010949 patent/WO1998000123A1/en active IP Right Grant
- 1997-06-24 BR BR9712783-3A patent/BR9712783A/pt not_active Application Discontinuation
- 1997-06-24 CN CN97195907A patent/CN1224350A/zh active Pending
- 1997-06-24 EP EP97930212A patent/EP0932398B1/en not_active Expired - Lifetime
- 1997-06-24 NZ NZ333565A patent/NZ333565A/xx unknown
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- 1997-06-24 AT AT97930212T patent/ATE330593T1/de not_active IP Right Cessation
- 1997-06-24 AU AU34096/97A patent/AU739363B2/en not_active Ceased
- 1997-06-24 DE DE69736183T patent/DE69736183T2/de not_active Expired - Fee Related
- 1997-06-24 CA CA002258895A patent/CA2258895C/en not_active Expired - Fee Related
- 1997-06-24 CZ CZ0427798A patent/CZ297342B6/cs not_active IP Right Cessation
- 1997-06-24 JP JP50424298A patent/JP2002515875A/ja not_active Ceased
- 1997-06-24 AP APAP/P/1998/001427A patent/AP1401A/en active
- 1997-06-24 KR KR1019980710653A patent/KR20000022233A/ko not_active Application Discontinuation
- 1997-06-24 IL IL12771497A patent/IL127714A/en not_active IP Right Cessation
- 1997-06-24 ES ES97930212T patent/ES2267144T3/es not_active Expired - Lifetime
- 1997-06-27 ZA ZA975773A patent/ZA975773B/xx unknown
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1998
- 1998-12-22 NO NO19986051A patent/NO317641B1/no unknown
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IL127714A0 (en) | 1999-10-28 |
IL127714A (en) | 2004-08-31 |
CZ297342B6 (cs) | 2006-11-15 |
NO986051D0 (no) | 1998-12-22 |
ATE330593T1 (de) | 2006-07-15 |
HUP0003381A2 (hu) | 2001-05-28 |
EP0932398A1 (en) | 1999-08-04 |
SK180498A3 (en) | 2000-03-13 |
EP0932398B1 (en) | 2006-06-21 |
HUP0003381A3 (en) | 2001-12-28 |
AP1401A (en) | 2005-04-29 |
BR9712783A (pt) | 2000-10-24 |
WO1998000123A1 (en) | 1998-01-08 |
CA2258895A1 (en) | 1998-01-08 |
CZ427798A3 (cs) | 1999-08-11 |
CA2258895C (en) | 2006-06-06 |
AU739363B2 (en) | 2001-10-11 |
DE69736183T2 (de) | 2007-04-26 |
AP9801427A0 (en) | 1998-12-31 |
DE69736183D1 (de) | 2006-08-03 |
ZA975773B (en) | 1998-12-28 |
RU2185824C2 (ru) | 2002-07-27 |
NO317641B1 (no) | 2004-11-29 |
NO986051L (no) | 1999-02-23 |
ES2267144T3 (es) | 2007-03-01 |
US5753693A (en) | 1998-05-19 |
KR20000022233A (ko) | 2000-04-25 |
NZ333565A (en) | 2000-07-28 |
JP2002515875A (ja) | 2002-05-28 |
AU3409697A (en) | 1998-01-21 |
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