CN1409706A - 1,5-苯并二氮杂䓬衍生物的钙盐、该盐的制备方法及含有该盐的药物 - Google Patents
1,5-苯并二氮杂䓬衍生物的钙盐、该盐的制备方法及含有该盐的药物 Download PDFInfo
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- CN1409706A CN1409706A CN00817010A CN00817010A CN1409706A CN 1409706 A CN1409706 A CN 1409706A CN 00817010 A CN00817010 A CN 00817010A CN 00817010 A CN00817010 A CN 00817010A CN 1409706 A CN1409706 A CN 1409706A
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- benzodiazepine
- benzodiazepine derivative
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- C07D243/06—Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4
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- A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
- A61K31/551—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole having two nitrogen atoms, e.g. dilazep
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- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
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Abstract
本发明提供了用下列通式(I)表示的1,5-苯并二氮杂䓬衍生物的钙盐,该盐的制备方法和含有该盐作为活性成分的药物(其中,R<sup>1</sup>表示低级烷基;R<sup>2</sup>表示苯基或环己基;并且Y表示单键或低级亚烷基)。该化合物对胃酸分泌具有强烈的抑制活性以并且对胃泌素和/或CCK-B受体具有强烈的拮抗作用。
Description
技术领域
本发明涉及在医疗领域具有重要作用的苯并二氮杂衍生物。更具体地说,本发明涉及具有对胃泌素和/或CCK-B(胆囊收缩素-B)受体拮抗作用的并同时具有强烈抑制胃酸分泌作用的1,5-苯并二氮杂衍生物的钙盐;该化合物的制备方法;以及含有该化合物作为有效成分的药物。
背景技术
胆囊收缩素(CCK)是由十二指肠和空肠粘膜产生并释放的胃肠激素,并且已知它具有例如胰汁分泌、胆囊缩窄和胰岛素分泌刺激的作用。也已知CCK在大脑皮层、下丘脑和海马中的浓度较高并具有例如抑制饮食和饥饿、增强记忆和产生焦虑的作用。胃泌素是一种胃肠激素,它是由分布在幽门的G-细胞的释放而产生并且已知它具有例如胃酸分泌和幽门和胆囊缩狭的作用。在其C-末端含有相同的5个氨基酸的CCK和胃泌素是通过受体起作用的。CCK可分为分布在胰腺、胆囊和肠中的外周型受体CCK-A和分布在大脑中的中心型受体CCK-B。由于胃泌素受体和CCK-B受体在受体的结合试验中显示了相似特性并具有较高同源性,所以它们经常称之为CCK-B/胃泌素受体。对这些受体具有拮抗作用的化合物例如胃泌素或CCK-B受体预期可用于预防或治疗胃溃疡、十二指肠溃疡、胃炎、返流性食管炎、胰腺炎、佐林格-埃利森(zollinger-Ellison)综合征、有空泡的G-细胞增生、鼻-粘膜增生、胆囊炎、胆绞痛的发作、消化道运动障碍(dysmotilities)、过敏性肠综合征、某些类型的肿瘤、进食紊乱、焦虑、恐慌病、抑郁、精神分裂症、帕金森氏综合征、延迟性语言障碍、图雷特综合征、药物依赖和药物戒断综合征。而且,预计该化合物有诱导疼痛缓解或促进诱导鸦片类药物导致的疼痛缓解(FoliaPharmacological Japonica,Vol.106,171-180(1995),Drugs of theFuture,Vol.18.919-93 1(1993),American Journal of Physiology,Vol.269,G628-G646(1995),American Journal of Physiology,Vol.259,G184-G190(1990),European Journal of Pharmacology,261,257-263(1994),Trends in Pharmacological Science,Vol.15,65-66(1994))。
作为胃泌素受体拮抗剂,已知丙谷胺可作为胃溃疡和胃炎的治疗剂。但是丙谷胺与胃泌素或CCK-B受体的亲和性是非常低的,并且它的疗效也弱。据报导一些苯并二氮杂衍生物如L-364,718(devazepide,日本公开特许公报(kokai)63666/1986)和L-365,260(日本公开特许公报(kokai)238069/1988)具有CCK-A受体拮抗作用或CCK-B受体拮抗作用。WO94/438和WO95/18110也公开了具有较强CCK-B受体拮抗作用的化合物能够抑制五肽胃泌素所刺激的胃酸分泌。但是这些化合物的体内给药不能保证总是产生满意的作用。在WO98/25911和WO99/64403中,本发明公开了对胃泌素和/或CCK-B受体具有强烈拮抗作用并且同时对胃酸分泌具有强烈抑制作用的1,5-苯并二氮杂衍生物。尽管如此,对于对胃泌素和/或CCK-B受体具有强烈拮抗作用和对胃酸分泌具有抑制作用尤其是对胃酸分泌的具有强烈抑制作用并且适合于临床使用的化合物仍有需求。
发明的公开
综上所述,本发明人已经进行了深入的研究。结果,发现与WO98/25911和WO99/64403中所具体描述的1,5-苯并二氮杂衍生物相比,具有特殊结构的1,5-苯并二氮杂衍生物的钙盐对胃酸分泌具有更强抑制活性,所述盐类已落入了WO98/25911和WO99/64403中公开的范围但不是其中具体描述的化合物,;并且从质量维持的角度而言,由于它的吸湿度低和容易纯化,所以是理想的药物,因而可以用作药物,尤其是由胃酸过量分泌引起各种消化道疾病的预防药或治疗药物,从而导致本发明的完成。
在本发明的另一方面,还提供了胃酸分泌抑制剂,它含有用通式(I)表示的1,5-苯并二氮杂衍生物的钙盐作为有效成分。
在本发明的又一方面,还提供了含有用通式(I)表示的1,5-苯并二氮杂衍生物的钙盐作有效成分的药物,尤其是胃溃疡、十二指肠溃疡、胃炎、回流性食管炎或佐林格-埃利森综合征的预防性药物或治疗性药物。
在本发明的另一方面,也提供了含有用通式(I)表示的1,5-苯并二氮杂衍生物的钙盐和药学上可接受的载体的药用组合物,尤其是预防和/或治疗胃溃疡、十二指肠溃疡、胃炎、回流性食管炎或佐林格-埃利森综合征的药用组合物。
在本发明的又一方面,还提供了用通式(I)表示的1,5-苯并二氮杂衍生物的钙盐在制备胃溃疡、十二指肠溃疡、胃炎、回流性食管炎或佐林格-埃利森综合征的预防药和/或治疗药物方面的用途。
在本发明的又一方面,也提供了胃溃疡、十二指肠溃疡、胃炎、回流性食管炎或佐林格-埃利森综合征的治疗方法,它包括用通式(I)表示的1,5-苯并二氮杂衍生物的钙盐进行给药。
实施本发明的最佳方式
本文所用的术语“低级”是指含有1到4个碳原子的直链或支链的碳链。
所以“低级烷基”的例子包括甲基、乙基、丙基、异丙基、丁基、异丁基、仲丁基和叔丁基,同时“低级亚烷基”包括亚甲基、亚乙基、亚丙基、亚丁基、甲基亚甲基、二甲基亚甲基、1-甲基亚乙基、1,1-二甲基亚乙基、1-甲基亚丙基和2-甲基亚丙基。
本文所述的术语“卤原子”是指氟、氯、溴或碘原子。
本文所述的术语“金属原子”是指可转化成单价或双价阳离子的金属原子,例子有钠、钾和钙原子。
在通式(I)中,R1表示支链C4烷基,尤其是叔丁基;R2是环己基并且Y优选是单键或二甲基亚甲基。
本发明不仅包括光学活性异构体和非对映立体异构体,而且还包括溶剂化物如水合物和多晶型物。
从抑制胃酸分泌和储存稳定性角度来说,本发明化合物(I)中特别优选的是(R)-(-)-3-[3-(1-叔丁基羰甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸钙(实施例1的化合物)和(R)-(-)-2-[3-[3-(1-叔丁基羰甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯基]-2-甲基丙酸钙(实施例4的化合物),实施例1的化合物是更优选的。
考虑到其基本骨架或组成基团的特征,本发明化合物(I)能够通过各种合成方法制备。下面是它们的一般制备方法。制备方法A:(其中,R1、R2和Y具有如上所述的相同含义,Boc表示叔丁氧基羰基并且X表示卤原子)。步骤A1:
将3-取代的氨基苯并二氮杂衍生物(v)与环己酮反应可以制备成相应的5-取代的衍生物(VI)。为了制备含有如R2的环己基的5-取代的衍生物(VI),将催化剂如氧化铂或钯/炭加入溶于醋酸中的衍生物(V)的溶液中,接着在正常压力下或氢气压力下搅拌。通常,该反应能够在室温、温热(warming)下或加热下进行。另一方面,为了制备含有如R2的苯基的5-取代的衍生物(VI),将氢接纳体如环辛烯或硝基苯加入无溶剂的衍生物(V)或对反应成惰性的溶剂如二甲苯中的衍生物(V)中,然后加入催化剂如钯/炭,接着搅拌。该反应一般能够在温热下或加热下进行。步骤A2:
将5-取代的衍生物(VI)与卤代甲基酮化合物(VII)反应可以制备相应的1,5-取代的衍生物(VIII)。该反应的进行一般是向5-取代的衍生物(VI)中加入碱如氢化钠、碳酸钾或叔丁醇钾,向所得到的溶液中加入化合物(VII),然后如果需要的话,加入相转化催化剂如四丁基溴化铵。对该反应来说,可以使用对反应成惰性的任何溶剂。一般使用醚类溶剂如四氢呋喃或二噁烷、甲苯、乙酸乙酯、N,N-二甲基甲酰胺或二甲基亚砜。另外,在相转化催化剂如四丁基溴化铵存在时,该反应在两相系统如水-甲苯中也是可行的。该反应一般在-78℃到150℃的范围进行。步骤A3
在脱保护后,将1,5-取代的衍生物(VIII)转化成3-氨基-1,5-苯并二氮杂衍生物的草酸盐(III)。向该衍生物(VIII)中加酸如盐酸或三氟乙酸可以进行去保护。该反应一般在溶剂存在或没有溶剂时在0到100℃的范围进行。这里可用的溶剂例包括醇类如甲醇和乙醇、卤溶剂如氯仿和醚类溶剂如二噁烷和乙醚。以本身在本领域已知的方式,向上述反应所获得的水解产物中加入草酸或其水合物,可以进行随后向草酸盐的转化。步骤A4
3-氨基-1,5-苯并二氮杂衍生物的草酸盐(III)与化合物(IV)反应可以制备相应的1,5-苯并二氮杂衍生物(II)。该反应一般在有或无碱如三乙胺存在下在0℃到回流温度的范围进行。对该反应来说,能够使用对反应成惰性的任何溶剂,并且一般使用N,N-二甲基甲酰胺或二甲基亚砜。步骤A5:
然后向1,5-苯并二氮杂衍生物(II)中加入氨水,接着通过加入氯化钙溶液处理混合物,由此制备成本发明化合物(I)。该反应的进行通常是在冰冷却下室温、温热或加热下加入氨水;搅拌混合物;然后加氯化钙溶液。对该反应来说,能够使用任何对反应成惰性的溶剂,并且乙醇是优选的。制备方法B(其中,R1、R2和Y具有如上所述的相同含义,R3表示氢原子或金属原子并且X表示卤原子)。步骤B1:
将3-氨基-1,5-苯并二氮杂衍生物的草酸盐(III)与化合物(IX)反应可以制备相应的3-苯氧基羰基氨基衍生物(X)。该反应通常在冰冷却、室温、温热或加热下有或无碱如碳酸钾或三乙胺存在下进行。对该反应来说,能够使用任何对反应成惰性的溶剂,并且乙酸乙酯、四氢呋喃或N,N-二甲基甲酰胺是常用的。步骤B2:
通过向3-苯氧基羰基氨基衍生物(X)中加入苯胺衍生物(XI),可以制备相应的1,5-苯并二氮杂衍生物(II)。该反应通常在有或无碱如三乙胺或碳酸钾存在下在0℃到回流温度范围进行。对该反应来说,能够使用任何对反应成惰性的溶剂,并且常用二甲基亚砜或N,N-二甲基甲酰胺。
将步骤B2中所得到的1,5-苯并二氮杂衍生物(II)按照制备方法A的步骤A5转化成本发明化合物(I)。
分离如此制备的本发明化合物(I),并可以根据需要使用选自于萃取、浓缩、蒸发、结晶、过滤、重结晶、粉碎和层析法中的通常所用的操作方法进行纯化。有旋光性的本发明化合物(I)的生成是使用适当的原料化合物或者通过常用的外消旋拆分法如用一般的有旋光性的酸如二苯甲酰酒石酸酯将该化合物转化成相应非对映立体异构体盐,接着光学拆分;或者将该化合物转化成相应的非对映立体异构体化合物,将其分离,然后使分离的化合物进行Edman降解。
本发明的化合物(I)可以在掺入药学上可接受的载体或辅剂中后径口服或胃肠外给药。对口服给药来说,本发明的化合物可以组合使用适当的辅料如赋型剂如乳糖、甘露糖醇、玉米淀粉和晶体纤维素;粘合剂如纤维素衍生物、阿拉伯胶和明胶;崩解剂如羧甲基纤维素钙;润滑剂如滑石和硬脂酸镁制成固体制剂如片剂、粉剂和胶囊。这些固体制剂可以使用包衣基质如羟丙基甲基纤维素邻苯二甲酸酯、羟丙基甲基纤维素乙酸酯琥珀酯、纤维素乙酸酯邻苯二甲酸酯或甲基丙烯酸酯共聚物制成肠包衣制剂。另外,它们也可以制成液体制剂如溶液、悬浮液和乳剂。
对胃肠外给药来说,本发明的化合物可以组合使用水、乙醇、甘油或常用表面活性剂制成注射用的液体制剂。它也可以使用栓剂基质制成栓剂。
本发明化合物(I)的剂量可以随着剂型、给药途径、年龄或症状的不同而变化。成年人每天的剂量是1-1,000mg,优选5-500mg,并优选每天给药一次或分2-3次给药。
正如以后所描述的,本发明化合物(I)与WO98/25911和WO99/64403中所述的化合物相比具有很强的抑制胃酸分泌的作用。另外,它们的吸湿性低并且容易纯化,所以从保持其质量的角度来说,它们作为药物是非常适合的。而且,它们对胃泌素和/或CCK-B受体具有强烈的拮抗作用,由此,它们可以用于治疗、缓解或预防由胃酸分泌过量引起的各种消化道疾病,例如胃溃疡、十二指肠溃疡、胃炎、返流性食管炎、胰腺炎和佐林格-埃利森综合征。它们也可以用于治疗、缓解或预防与胃泌素和/或CCK-B受体拮抗作用有关的疾病,如有空泡的G-细胞增生、鼻-粘膜增生、胆囊炎、胆绞痛的发作、消化道的运动障碍、过敏性肠综合征、某些类型的肿瘤、进食紊乱、焦虑、恐慌病、抑郁、精神分裂症、帕金森氏综合征、延迟性语言障碍、图雷特综合征、药物依赖和药物戒断综合征;并且诱导疼痛缓解或促进诱导由使用鸦片类药物导致的疼痛缓解。
实施例
下文将用实施例描述本发明。但是应当想到它们不是用来限定本发明的。
实施例1(R)-(-)-3-[3-(1-叔丁基羰甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸钙的制备步骤1(R)-(-)-2-氧-3-叔丁氧基羰基氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂的制备
向50g的WO98/25911中所述的(R)-(+)-2-氧-3-叔丁氧基羰基氨基-1,3,4,5-四氢-2H-1,5-苯并二氮杂的43.3g的乙酸溶液中加入70.8g的环己酮和1.5g的氧化钯。在室温压力为3到3.5kg/cm2的氢气中搅拌所得到的混合物5小时。向反应混合物中加入200ml的乙酸乙酯和5g的活性炭,接着在室温再搅拌1小时。过滤反应混合物。将2N氢氧化钠水溶液滴加到滤液中并在搅拌下将其中和,然后使其分层。用饱和的碳酸氢钠水溶液和盐水连续洗涤有机相,并将其在无水硫酸钠上干燥。减压蒸发溶剂。向残余物中加入200ml的乙醇和200ml的水。在50℃将该混合物搅拌1小时,然后在冰冷却下搅拌2小时。通过抽滤收集这样沉淀的晶体,用乙醇和水的混合溶剂(1∶1)洗涤,然后干燥得到59.3g的标题化合物。熔点:156到159℃1H-NMR(CDCl3)δ:1.11-2.07(19H,m),3.15-3.27(1H,m),3.33(1H,dd),3.68(1H,dd),4.38-4.49(1H,m),5.53(1H,d),6.91-6.96(2H,m),7.11-7.16(2H,m),7.45(1H,brs).[α]D23:-188°(C=1.02,CHCl3)
用下述操作也制备了2-氧-3-叔丁氧基羰基氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂。
在1.2g的醋酸中溶解1.39g的2-氧-3-叔丁氧基羰基氨基-1,3,4,5-四氢-2H-1,5-苯并二氮杂和3.9g的环己酮。向所得到的溶液中加302mg的10%的钯/炭。在10kg/cm2的氢气压力下,在50到55℃将该混合物搅拌12小时。反应混合物冷却到室温后,通过C盐过滤反应混合物。向滤液中加水并通过抽滤收集所沉淀的晶体。将所得到的晶体从乙醇和水的混合溶剂中重结晶,由此得到1.63g的标题化合物。步骤2
(R)-1-叔丁基羰基甲基-2-氧-3-叔丁氧基羰基氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂的制备
向50g的(R)-(-)-2-氧-3-叔丁氧基羰基氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂的200ml的二甲基亚砜溶液中加入28.1g的1-氯代频哪酮、28.8g的碳酸钾(粉末)、1.15g的碘化钾和1.35g的四丁基溴化铵。在室温将该混合物搅拌4小时。并将该混合物倒入冰水中。通过抽滤收集这样形成的沉淀,用水洗涤,然后干燥,由此得到63.5g的标题化合物。1H-NMR(CDCl3)δ:1.15-2.07(28H,m),3.13-3.24(1H,m),3.26(1H,dd),3.61(1H,dd),4.11(1H,d),4.39-4.50(1H,m),5.17(1H,d),5.57(1H,d),6.92-7.03(2H,m),7.12-7.20(2H,m).步骤3
(R)-(-)-1-叔丁基羰基甲基-2-氧-3-氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂的草酸盐单水合物和(R)-(-)-叔丁基羰基甲基-2-氧-3-氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂的草酸盐制备
向63.5g的(R)-1-叔丁基羰基甲基-2-氧-3-叔丁氧基羰基氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂的100ml的乙醇溶液中加入100ml的6N盐酸。在60℃将混合物搅拌1.5小时。反应混合物冷却到室温后,加入水和乙醚的混合溶剂(1∶1)。分离水相,用6N氢氧化钠水溶液中和,然后用乙酸乙酯萃取。萃取物用盐水洗涤,无水硫酸钠干燥并减压蒸发,由此得到46.3g的(R)-(-)-1-叔丁基羰基甲基-2-氧-3-氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂。1H-NMR(CDCl3)δ:1.11-2.08(2H,m),3.12-3.27(2H,m),3.40(1H,dd),3.53-3.62(1H,m),4.01(1H,d),5.29(1H,d),6.92-7.04(2H,m),7.15-7.19(2H,m)[α]D25:-28.9°(C=1.04,MeOH)
将这样得到的(R)-(-)-1-叔丁基羰基甲基-2-氧-3-氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂溶于550ml的乙酸乙酯中。向所得到的溶液中加16.31g草酸二水合物,将后者溶于前者中。然后加入367ml的正己烷并将混合物搅拌过夜。通过抽滤收集所沉淀的晶体,用乙酸乙酯和正己烷的混合溶剂(1∶1)洗涤,然后干燥,由此得到55g的(R)-(-)-1-叔丁基羰基甲基-2-氧-3-氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂草酸盐单水合物。熔点:97到99℃1H-NMR(DMSO-d6)δ:1.10-1.83(18H,m),1.93-2.07(1H,m),3.15-3.28(1H,m),3.39-3.57(2H,m),3.88(1H,dd),4.47(1H,d),5.10(1H,d),6.70(6H,br),7.0 3-7.16(2H,m),7.22-7.33(2H,m).[α]D27:-12.2°(C=1.00,MeOH)元素分析:(C)59.15,(H)7.45,(N)9.03(C21H31N3O2·C2H2O4·H2O)
在10m1的乙酸乙酯中溶解1g的(R)-(-)-1-叔丁基羰基甲基-2-氧-3-氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂。向所得到的溶液中加入草酸酐(252mg),接着搅拌过夜。通过抽吸收集所沉淀的晶体,用乙酸乙酯洗涤,然后干燥得到1.05g的(R)-(-)-1-叔丁基羰基甲基-2-氧-3-氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂草酸盐。熔点:147到150℃1H-NMR(DMSO-d6)δ:1.10-1.83(18H,m),1.93-2.07(1H,m),3.15-3.28(1H,m),3.39-3.57(2H,m),3.88(1H,dd),4.47(1H,d),4.70(4H,br),5.10(1H,dd),7.03-7.16(2H,m),7.22-7.33(1H,m).[α]D27:-13.3°(C=1.00,MeOH)元素分析:(C)61.67,(H)7.47,(N)9.28(C21H31N3O2·C2H2O4)步骤43-苯氧基羰基氨基苯甲酸的制备
将274.3g的3-氨基苯甲酸溶于4L的0.5N的氢氧化钠水溶液后,在10℃向其中滴加328.8g的氯代甲酸苯酯的1L四氢呋喃溶液。在相同温度将反应混合物搅拌1小时,然后在室温搅拌1小时。通过抽滤收集所沉淀的晶体,用水洗涤,干燥,然后从乙醇中重结晶得到412g的标题化合物。熔点:131到133℃1H-NMR(DMSO-d6)δ:7.21-7.32(3H,m),7.40-7.49(3H,m),7.61-7.66(1H,m),7.71-7.77(1H,m),8.16(1H,t),10.42(1H,s),12.96(1H,brs).步骤5(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸单水合物
向51.2g的(R)-(-)-1-叔丁基羰基甲基-2-氧-3-氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂草酸盐单水合物的550ml的无水二甲基亚砜溶液中加入28.0g的3-(N-苯氧基羰基)氨基苯甲酸和44.5g三乙胺。将所得到的混合物在60℃到65℃搅拌2小时。然后向该反应混合物中加入乙醇(550ml)。在冰冷却下,滴加550ml的1N盐酸并在室温将混合物搅拌2小时。收集所沉淀的晶体并从乙醇和水的混合溶剂中重结晶,由此得到46.3g的无色晶体的标题化合物。熔点:159到161℃1H-NMR(DMSO-d6)δ:1.05-2.08(19H,m),3.16-3.49(3H,m),4.33-4.40(1H,m),4.39(1H,d),5.12(1H,d),6.62(1H,d),6.98-7.14(2H,m),7.23-7.36(3H,m),7.44-7.52(2H,m),7.99(1H,brs),9.06(1H,brs),11.50(1H,br)MS(FAB)m/z:521(MH+),543(M+Na)+IR(KBr)cm-1:3370,2932,2855,1727,1644,1561,1497[α]D25:-148°(C=1.0,CHCl3)元素分析:(C)64.32,(H)7.41,(N)10.16(C29H36N4O5·0.5C2H5OH·H2O)步骤6(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸钙的制备
在220ml的乙醇中悬浮22.0g的(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸单水合物。在冰冷却下,将所得到的悬浮液溶于26.4ml的浓氨水中。向反应混合物中加22ml的3.05g的氯化钙水溶液,接着搅拌30分钟。加水。过滤收集沉淀物并用水和乙醇的混合溶剂(2∶1)洗涤,由此得到粉状的21.0g的标题化合物。1H-NMR(DMSO-d6)δ:0.94-1.96(38H,m),3.21-3.44(6H,m),4.36-4.43(4H,m),5.12(2H,d),6.77(2H,d),7.00-7.29(10H,m),7.52-7.56(4H,m),7.90(2H,s),9.16(2H,s).MS(FAB)m/z:1079(MH+),559,521IR(KBr)cm-1:2932,2361,1662,1552,1498,1396,1217,767[α]D26:-66.1°(C=1,MeOH)
实施例2(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸的制备步骤1(R)-(-)-1-叔丁基羰基甲基-2-氧-3-苯氧基羰基氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂的制备
在冰冷却下,向8.9g的(R)-(-)-1-叔丁基羰基甲基-2-氧-3-氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂草酸盐的45ml乙酸乙酯悬浮液中加入45ml的8.25g的碳酸钾水溶液。在室温下将混合物搅拌30分钟。在冰冷却下加入3.12g的氯代碳酸苯酯后,将混合物在冰冷却下搅拌5分钟并且在室温搅拌30分钟。反应混合物分层,用乙酸乙酯萃取含水相并将有机相与预先得到的有机相合并。合并的有机相用盐水洗涤、无水硫酸钠干燥并减压蒸发,由此得到9.19g的标题化合物。1H-NMR(CDCl3)δ:1.10-1.90(9H,m),1.28(9H,s),1.97-2.08(1H,m),3.14-3.27(1H,m),3.38(1H,dd),3.73(1H,dd),4.15(1H,d),4.53(1H,dt),5.20(1H,d),6.11(1H,d),6.93-7.24(7H,m),7.28-7.36(2H,m).[α]D:-45.6°(C=1.0,CHCl3)
步骤2(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸的制备在氩气下,将2.0g的3-氨基苯甲酸钠、77mg的4-二甲基氨基吡啶和3.0g的分子筛3A加入3.0g的(R)-(-)-1-叔丁基羰基甲基-2-氧-3-苯氧基羰基氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂的30ml的无水二甲基亚砜溶液中。在室温将混合物搅拌15小时。过滤反应混合物后,将冰水和1N的氢氧化钠水溶液加入滤液中。用乙酸乙酯萃取混合物。有机相连续用1N氢氧化钠水溶液、1N盐酸和盐水洗涤、无水硫酸钠干燥并减压蒸发。向残余物中加入乙醇和水的混合溶剂(2∶1)。过滤收集所沉淀的结晶,由此得到2.32g的标题化合物。
将步骤2中获得的(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸用实施例1的步骤6的相似方法加以处理,由此制备(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸钙。
实施例3(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸钙的制备步骤1(R)-(-)-2-氧-3-叔丁氧羰基氨基-5-苯基-1,3,4,5-四氢-2H-1,5-苯并二氮杂的制备
向5g的(R)-(+)-2-氧-3-叔丁氧羰基氨基-1,3,4,5-四氢-2H-1,5-苯并二氮杂的25ml的环己酮溶液中加入5.96g的环辛烯和0.5g的10%的钯/炭。在145℃的内部温度下将混合物搅拌2.5小时。将反应混合物冷却到室温后,加入20ml的乙酸乙酯。过滤该混合物并减压浓缩滤液。加入二异丙基醚和正己烷使残余物结晶并且过滤收集所得到的晶体,由此得到3.2g的标题化合物。熔点:160到165℃1H-NMR(CDCl3)δ:1.43(9H,s),3.67(1H,dd),4.27(1H,dd),4.57-4.65(1H,m),5.60(1H,d),6.69-6.90(3H,m),7.09-7.25(6H,m),7.60(1H,s)[α]D25:-233°(C=1.00,CHCl3)步骤2(R)-(-)-1-叔丁基羰基甲基-2-氧-3-氨基-5-苯基-1,3,4,5-四氢-2H-1,5-苯并二氮杂的草酸盐单水合物的制备
使用与实施例1的步骤2的相似操作,除了用(R)-(-)-2-氧-3-叔丁氧基羰基氨基-5-苯基-1,3,4,5-四氢-2H-1,5-苯并二氮杂替代(R)-(-)-2-氧-3-叔丁氧基羰基氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂,接着使用实施例1的步骤3的相似操作,获得标题化合物。熔点:130到135℃1H-NMR(DMSO-d6)δ:1.17(9H,s),3.90(1H,dd),4.04-4.13(2H,m),4.79(1H,d),5.13(1H,d),6.38(6H,br),6.76(2H,d),6.88(1H,t),7.12(1H,d),7.21-7.34(5H,m).[α]D25:-56°(C=1.0,MeOH)元素分析:(C)60.24,(H)6.51,(N)9.13(C21H25N3O2·C2H2O4·H2O)步骤3(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-苯基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸的制备
进行与实施例1的步骤3后一阶段相似的操作,除了用(R)-(-)-1-叔丁基羰基甲基-2-氧-3-氨基-5-苯基-1,3,4,5-四氢-2H-1,5-苯并二氮杂草酸盐单水合物替代(R)-1-叔丁基羰基甲基-2-氧-3-氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂,接着进行实施例1的步骤5的相似操作,获得标题化合物。1H-NMR(CDCl3)δ:1.29(9H,s),3.72(1H,dd),4.32(1H,d),4.43(1H,dd),4.81-4.90(1H,m),5.23(1H,d),7.13-8.41(13H,m),7.50(1H,d),8.29(1H,s),10.71-10.77(1H,br).[α]D25:-134.8°(C=1.00,MeOH)步骤4(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-苯基--1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸钙的制备进行与实施例1的步骤6的相似操作,除了用(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-苯基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸替代(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸,可以获得标题化合物。1H-NMR(DMSO-d6)δ:1.17(18H,s),3.60(2H,dd),4.00(2H,dd),4.55-4.65(2H,m),4.75(2H,d),5.11(2H,d),6.77-6.93(8H,m),7.12-7.35(14H,m),7.50-7.57(4H,m),7.88(2H,s),9.20(2H,s).MS(FAB)m/z:1067(MH+),553,514IR(KBr)cm-1:3368,2969,1664,1552,1500,1397,1296,1240,764
实施例4(R)-(-)-2-[3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢2H-1,5-苯并二氮杂-3-基)脲基]苯基]-2-甲基丙酸钙的制备步骤12-(4-氯代苯基)-2-甲基丙酸甲酯的制备
在500ml的N,N-二甲基甲酰胺中悬浮38.7g的60%的氢化钠,接着在室温氩气下滴加50.0g的4-氯苯基乙酸。在室温将混合物搅拌30分钟。在冰冷却下,滴加167.3g的碘甲烷并在室温将所得到的混合物搅拌1小时。将该反应混合物倒入冰水中,接着用乙酸乙酯萃取。有机层依次用水和盐水洗涤并减压蒸发,由此得到62.3g的标题化合物。1H-NMR(CDCl3)δ:1.56(6H,s),3.66(3H,s),7.24-7.31(4H,m)步骤22-(4-氯-3-硝基苯基)-2-甲基丙酸甲酯的制备
在冰冷却下,向90.7g的浓硫酸中滴加40.0g的浓硝酸后,再滴加62.3g的2-(4-氯苯基)-2-甲基丙酸甲酯。在室温将所得到的混合物搅拌30分钟。将反应混合物倒入冰水中,接着用乙酸乙酯萃取。有机层用水和盐水依次洗涤,无水硫酸钠干燥并减压蒸馏,由此得到75.5g的标题化合物。熔点:160-161℃1H-NMR(DMSO-d6)δ:1.61(6H,s),3.68(3H,s),7.52(2H,s),7.86(1H,s)步骤32-(4-氯-3-硝基苯基)-2-甲基丙酸的制备
在200ml的甲醇中溶入75.5g的2-(4-氯-3-硝基苯基)-2-甲基丙酸甲酯。在冰冷却下,滴加70ml 49.3g的氢氧化钾水溶液并在室温将混合物搅拌3小时。减压浓缩反应混合物。向反应残余物中加水和正己烷,使混合物分层。现水相中加浓盐酸调节其pH到2或更小,接着用乙酸乙酯萃取。乙酸乙酯层依次用水和盐水洗涤,在无水硫酸镁上干燥并减压蒸馏。残余物从乙酸乙酯中重结晶得到53.1g的标题化合物。1H-NMR(CDCl3)δ:1.64(6H,s),7.50-7.58(2H,m),7.91-7.92(1H,m)步骤42-(3-氨基苯基)-2-甲基丙酸盐酸盐的制备
在50ml甲醇中溶入10.0g的2-(4-氯-3-硝基苯基)-2-甲基丙酸。向所得到的混合物中加如1.0g的10%的钯/炭。在氢气压下,于室温将混合物搅拌3小时。过滤反应混合物并减压浓缩滤液得到8.84g的标题化合物。1H-NMR(DMSO-d6)δ:1.48(6H,s),3.80(2H,brs),7.22-7.26(1H,m),7.35-7.48(3H,m),10.20(2H,brs)步骤52-甲基-2-(3-苯氧基羰基氨基)苯基丙酸的制备
用实施例1的步骤4的相似方法,除了使用2-(3-氨基苯基)-2-甲基丙酸盐酸盐替代3-氨基苯甲酸,得到标题化合物。1H-NMR(CDCl3)δ:1.59(6H,s),6.79-6.94(1H,m),7.04(1H,brs),7.12-7.42(8H,m),7.50(1H,brs)步骤6(R)-(-)-2-[3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯基]-2-甲基丙酸的制备
在饱和碳酸氢钠的水溶液中悬浮5.04g的(R)-(-)-1-叔丁基羰基甲基-2-氧-3-氨基-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂草酸盐得到游离碱,接着用乙酸乙酯萃取。有机层依次用饱和碳酸氢钠水溶液和盐水洗涤,在无水硫酸钠上干燥并减压蒸馏。残余物溶于12ml二甲基亚砜中。向所得到的溶液中加入3.0g的2-甲基-2-(3-苯氧基羰基氨基)苯基丙酸,接着在70℃搅拌1小时。将反应混合物冷却到室温后,加入100ml的乙酸乙酯。然后将所得到的混合物依次用1N氢氧化钠的水溶液、1N的盐酸和盐水洗涤,在无水硫酸钠上干燥并减压蒸馏。向残余物中加入1∶1的甲苯和庚烷的混合溶剂进行结晶。过滤收集所沉淀的晶体并干燥,由此得到3.99g的标题化合物。熔点:139-144℃1H-NMR(CDCl3)δ:1.13-2.04(25H,m),3.15-3.35(2H,m),3.64-3.70(1H,m),4.20(1H,d),4.64-4.73(1H,m),5.06(1H,d),6.74(1H,d),6.96-7.22(7H,m),7.50-7.53(1H,m),7.58(1H,s)[α]D23:-111°(C=1.03,CHCl3)步骤7(R)-(-)-2-[3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯基]-2-甲基丙酸钙的制备
用实施例1的步骤6的相似方法得到标题化合物,除了用(R)-(-)-2-[3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯基]-2-甲基丙酸替代(R)-(-)-3-[3-(1-叔丁基羰基甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸。1H-NMR(DMSO-d6)δ:1.17(18H,s),1.34(12H,s),1.08-1.82(18H,m),1.92-2.05(2H,m),3.13-3.45(6H,m),4.31-4.43(4H,m),5.11(2H,d),6.64(2H,d),6.90-7.35(16H,m),8.95(2H,s).MS(FAB)m/z:1163(MH+)IR(KBr)cm-1:3300,2932,2857,1727,1665,1497,1406,1366,1215,756,702[α]D26:-66.1°(C=1,MeOH)元素分析:(C)63.95,(H)7.50,(N)9.21,(Ca)3.24(C64H82N8O10Ca)试验1对五肽胃泌素所刺激的胃酸分泌的抑制试验
使用雄性Sprague-Dawley(SD)大鼠。在乙醚麻醉下,使各只大鼠接受幽门结扎和放置十二指肠导管和胃瘘管的手术。手术结束后,将每只大鼠放入Bollman型笼中并通过尾静脉连续滴注15μg/kg/小时的五肽胃泌素。将试验化合物悬浮于0.5%的羧甲基纤维素钠溶液(下文称之为“载体”)。在五肽胃泌素滴注开始后1小时,通过十二指肠内导管进行载体或试验化合物的给药。用自动滴定仪测定所收集的胃液的酸度。胃液体积乘以其酸度得到酸产量。用下列公式计算试验化合物给药后从1小时到4小时的3小时内对酸产量的抑制。抑制(%)=(载体给药组的平均酸产量-化合物组的平均酸产量)/载体给药组的平均酸产量×100
结果显示于表1和2中。
表1
*1:WO98/25911中的实施例143的化合物表2
*2:WO99/64403中的实施例2的化合物试验2《与CCK-B受体的结合试验》
试验化合物 | 剂量(mg/kg) | 酸产量的抑制(%) |
实施例1的化合物(Ca盐) | 0.03 | 42.3 |
游离形式的实施例1化合物(*1) | 0.03 | 4.8 |
试验化合物 | 剂量(mg/kg) | 酸产量的抑制(%) |
实施例4的化合物(Ca盐) | 0.03 | 46.1 |
游离形式的实施例4化合物(*2) | 0.03 | 13.7 |
将从Hartley种雄性豚鼠切除的大脑皮质匀浆于50倍量的50mM的Tris-HCl缓冲液(pH7.4),接着以50000×g离心分离10分钟。向这样得到的沉淀物中加入等量的相同缓冲液并离心分离,重复2次。将最终沉淀物均化于10mM的含有5mM氯化镁、1mM的EGTA、0.25mg/ml的杆菌肽和130mM氯化钠的HEPES缓冲液(pH6.5)中并用作受体制备物。
结合试验的进行是向50μl的试验化合物溶液中加入50μl的含有1.0nM最终浓度并900μl的受体制备物(蛋白含量:800μg/管)的[3H]CCK-8溶液,并在25℃使它们反应2小时。反应完成后,该混合物通过预先用0.1%BSA处理的Whatman GF/B滤器抽滤,滤液洗涤4次,每次使用3ml的冰冷的50mM的Tris-HCl缓冲液(pH7.4)。向滤液中加入闪烁剂,然后将所得到滤液静置1天后,用液体闪烁计数器测定该滤液的放射性。将1μM CCK-8存在时不加试验化合物的[3H]CCK-8的结合定义为非特异性结合。将总结合(没有CCK-8)和非特异性结合之间的差异定义为特异性结合。计算试验化合物抑制50%的[3H]CCK-8特异性结合的浓度(IC50)。
结果显示于表3。
*1)在WO98/25911的实施例143的化合物试验3(在高湿度条件下的吸湿性的试验)
试验化合物 | IC50(nM) |
实施例1的化合物(Ca盐) | 1.68 |
游离形式的实施例1化合物(*1) | 1.45 |
(1)将饱和的硫酸钾水溶液装入干燥器并使其在设定为25℃的控温室中静置至少1天。储存样品(0.5g)并称量。用其重量的变化测定吸湿性。当时的相对湿度为97.3%RH。
结果,实施例1的化合物(Ca盐)比相应的Na盐(WO98/25911的实施例143的化合物的钠盐)的吸湿性低。表4
在25℃和97.3%RH储存时的重量变化(%)
*3:WO98/25911的实施例143的化合物的钠盐
样品 储存时间(天) |
0 1 2 3 4 10 14 |
实施例1的化合物(Ca盐) 0 4.61 5.00 4.94 4.97 5.43 5.41 |
相应的钠盐(*3) 0 19.51 24.90 28.70 31.09 42.84 45.55 |
(2)将饱和的硫酸钾水溶液装入干燥器并使其在设定为25℃的控温室中静置至少1天。储存样品(0.1g)并称量。用其重量的变化测定吸湿性。当时的相对湿度为97.3%RH。
结果,实施例4的化合物(Ca盐)比相应的Na盐(WO99/64403的实施例5的化合物)的吸湿性低。表5
在25℃和97.3%RH储存时的重量变化(%)
*4:WO99/64403的实施例5的化合物毒性试验
样品 储存时间(天) |
0 2 4 7 9 11 18 30 |
实施例4的化合物(Ca盐) 0 8.15 7.87 8.38 9.07 8.14 8.51 8.23 |
相应的钠盐(*4) 0 21.23 23.85 23.04 24.36 24.31 26.06 25.23 |
使用5.5周龄SD雄性大鼠,每组3只。将每个实施例的化合物悬浮于0.5%甲基纤维素后,将1000mg/kg的所得到的悬浮液口服给药。观察1周,每个给药组中没有发现死亡。制备实施例1
实施例3的化合物 20g
乳糖 315g
玉米淀粉 125g
晶体纤维素 25g
将上述组份均匀混合。向所得到的混合物中加入200ml的7.5%的羟丙基纤维素水溶液。通过挤压装配有0.5mm直径筛网的挤压制粒机将该混合物制粒并马上将所粒化的混合物用Marumerize形成圆形,使其干燥,由此得到颗粒。制备实施例2
实施例1的化合物 20g
乳糖 100g
玉米淀粉 36g
晶体纤维素 30g
羧甲基纤维素钙 10g
硬脂酸镁 4g
将上述组份均匀混合,接着用直径为7.5mm的冲头的单冲压片机压片,每片重200mg。制备实施例3
实施例4的化合物 100mg
醋酸钠 2mg
醋酸(调节pH为5.8) 适量
蒸馏水 适量
总量10ml/瓶
按照上述配方,制备注射剂。
工业实用性
本发明化合物对胃酸分泌具有强烈抑制作用并对胃泌素和/或CCK-B受体具有强烈拮抗作用,而且从质量稳定的角度看,由于它的吸湿性低和容易纯化有利于用作药剂。所以它们可用作治疗、缓解、预防与上述作用有关的疾病如胃溃疡、十二指肠溃疡、胃炎、返流性食管炎、胰腺炎、佐林格-埃利森综合征、有空泡的G-细胞增生、鼻-粘膜增生、胆囊炎、胆绞痛的发作、消化道的运动障碍、过敏性肠综合征、某些类型的肿瘤、进食紊乱、焦虑、恐慌病、抑郁、精神分裂症、帕金森氏综合征、延迟性语言障碍、图雷特综合征、药物依赖和药物戒断综合征;并诱导疼痛缓解或促进诱导由使用鸦片类药物导致的疼痛缓解。
Claims (15)
1.一种下列通式(I)表示的1,5-苯并二氮杂衍生物的钙盐:(其中,R1表示低级烷基,R2表示苯基或环己基,并且Y表示单键或低级亚烷基)。
2.权利要求1的化合物,其中R1表示叔丁基,R2表示环己基,并且Y表示单键或二甲基亚甲基。
3.权利要求1的化合物,它是(R)-(-)-3-[3-(1-叔丁基羰甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯甲酸盐或(R)-(-)-2-[3-[3-(1-叔丁基羰甲基-2-氧-5-环己基-1,3,4,5-四氢-2H-1,5-苯并二氮杂-3-基)脲基]苯基]-2-甲基丙酸钙。
4.一种药物,它含有权利要求1到3中任何一个所要求的1,5-苯并二氮杂衍生物的钙盐作为有效成分。
5.一种胃酸分泌抑制剂,它含有权利要求1到3中任何一个所要求的1,5-本并二氮杂衍生物的钙盐作为有效成分。
6.一种胃溃疡、十二指肠溃疡、胃炎、返流性食管炎或佐林格-埃利森综合征的预防药或治疗药物,它含有权利要求1到3中任何一个所要求的1,5-苯并二氮杂衍生物的钙盐作为有效成分。
7.一种药用组合物,它含有权利要求1到3中任何一个所要求的1,5-苯并二氮杂衍生物的钙盐和药学上可接受的载体。
8.权利要求7的药用组合物,它是用来预防或治疗胃溃疡、十二指肠溃疡、胃炎、返流性食管炎或佐林格-埃利森综合征的药用组合物。
9.权利要求1到3中任何一个所要求的1,5-苯并二氮杂衍生物的钙盐用于制备胃溃疡、十二指肠溃疡、胃炎、返流性食管炎或佐林格-埃利森综合征的预防或治疗药物的用途。
10.一种胃溃疡、十二指肠溃疡、胃炎、返流性食管炎或佐林格-埃利森综合征的治疗方法,它包含将权利要求1到3中任何一个所要求的1,5-苯并二氮杂衍生物的钙盐给药。
15.一种制备下列通式(I)表示的1,5-苯并二氮杂衍生物的钙盐的方法:(其中,R1表示低级烷基,R2表示苯基或环己基,并且Y表示单键或低级亚烷基),它包括使下列通式(III)所示的3-氨基-1,5-苯并二氮杂衍生物的草酸盐(其中R1和R2具有如上所定义的相同含义)与下列通式(IX)的化合物:(其中,X表示卤原子)反应;将生成的下列通式(X)所示的3-苯氧基羰基氨基衍生物:(其中R1和R2具有如上所定义的相同含义)与下列通式(XI)所示的3-取代的苯胺化合物:(其中R3表示氢原子或金属原子并且Y具有上述相同含义)反应;向所得到的下列通式(II)所示的1,5-苯并二氮杂衍生物:(其中R1、R2和Y具有如上所定义的相同含义)中加入氨水,然后通过加入氯化钙处理所得到的混合物。
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CN102026987A (zh) * | 2008-05-15 | 2011-04-20 | 善利亚新药工业股份有限公司 | 疼痛治疗药 |
CN101102776B (zh) * | 2005-01-19 | 2011-08-24 | 善利亚新药工业股份有限公司 | 抗肿瘤药 |
CN102333763A (zh) * | 2009-03-31 | 2012-01-25 | 善利亚新药工业股份有限公司 | 1,5-苯二氮䓬衍生物的制备方法 |
CN104604880A (zh) * | 2014-12-31 | 2015-05-13 | 江阴苏利化学股份有限公司 | 一种含有氮杂卓的防治甘蓝蚜虫的农药组合物 |
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CN100481894C (zh) * | 2000-08-28 | 2009-04-22 | 索尼电子有限公司 | 用于交互式电视的系统 |
EP1789391B1 (en) | 2004-07-23 | 2017-06-28 | Endocyte, Inc. | Bivalent linkers and conjugates thereof |
US9877965B2 (en) | 2007-06-25 | 2018-01-30 | Endocyte, Inc. | Vitamin receptor drug delivery conjugates for treating inflammation |
US9138484B2 (en) | 2007-06-25 | 2015-09-22 | Endocyte, Inc. | Conjugates containing hydrophilic spacer linkers |
WO2013126797A1 (en) | 2012-02-24 | 2013-08-29 | Purdue Research Foundation | Cholecystokinin b receptor targeting for imaging and therapy |
JP2019131467A (ja) * | 2016-04-08 | 2019-08-08 | ゼリア新薬工業株式会社 | 1,5−ベンゾジアゼピン化合物の結晶 |
JP2019167295A (ja) * | 2016-07-04 | 2019-10-03 | ゼリア新薬工業株式会社 | 1,5−ベンゾジアゼピン化合物カルシウム塩の製造法 |
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CA1332410C (en) | 1984-06-26 | 1994-10-11 | Roger M. Freidinger | Benzodiazepine analogs |
US4820834A (en) | 1984-06-26 | 1989-04-11 | Merck & Co., Inc. | Benzodiazepine analogs |
HUT68208A (en) | 1992-06-24 | 1995-06-28 | Yamanouchi Pharma Co Ltd | Novel benzodiazepine derivatives and pharmaceutical preparations containing them |
CA2177960A1 (en) | 1993-12-28 | 1995-07-06 | Sanji Hagishita | Novel benzodiazepine derivative |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN101102776B (zh) * | 2005-01-19 | 2011-08-24 | 善利亚新药工业股份有限公司 | 抗肿瘤药 |
CN102026987A (zh) * | 2008-05-15 | 2011-04-20 | 善利亚新药工业股份有限公司 | 疼痛治疗药 |
CN102026987B (zh) * | 2008-05-15 | 2014-03-12 | 善利亚新药工业股份有限公司 | 疼痛治疗药 |
CN102333763A (zh) * | 2009-03-31 | 2012-01-25 | 善利亚新药工业股份有限公司 | 1,5-苯二氮䓬衍生物的制备方法 |
CN104604880A (zh) * | 2014-12-31 | 2015-05-13 | 江阴苏利化学股份有限公司 | 一种含有氮杂卓的防治甘蓝蚜虫的农药组合物 |
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EP1234818A1 (en) | 2002-08-28 |
WO2001040197A1 (fr) | 2001-06-07 |
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