CN100503571C - 四氢异喹啉类衍生物、其制备方法及其医药用途 - Google Patents

四氢异喹啉类衍生物、其制备方法及其医药用途 Download PDF

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CN100503571C
CN100503571C CNB2006100883490A CN200610088349A CN100503571C CN 100503571 C CN100503571 C CN 100503571C CN B2006100883490 A CNB2006100883490 A CN B2006100883490A CN 200610088349 A CN200610088349 A CN 200610088349A CN 100503571 C CN100503571 C CN 100503571C
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徐云根
刘景根
孙田江
陆宏国
郭婷
王德传
叶春梅
周斌
徐学军
陈洁
胡士元
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China Pharmaceutical University
Yangtze River Pharmaceutical Group Co Ltd
Shanghai Institute of Materia Medica of CAS
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Yangtze River Pharmaceutical Group Co Ltd
Shanghai Institute of Materia Medica of CAS
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Abstract

本发明涉及药物化学领域,具体涉及一类四氢异喹啉衍生物(I)、它们的制备方法、含有这些化合物的药用组合物以及它们的医药用途,特别是作为κ-阿片受体激动剂在镇痛上的用途。通式(I)中R1、R2、R3、R4的定义见说明书。

Description

四氢异喹啉类衍生物、其制备方法及其医药用途
技术领域
本发明涉及药物化学领域,具体涉及一类四氢异喹啉衍生物、它们的制备方法、含有这些化合物的药用组合物以及它们的医药用途,特别是作为κ-阿片受体激动剂在镇痛上的用途。
背景技术
κ-受体与μ-、δ-、σ、和ORL-1受体同属于阿片受体家族。以吗啡为代表的μ-受体激动剂药物有着很强的镇痛效力,但是由于依赖性、成瘾性等副作用使其在临床上的应用受到很大的限制。中枢选择性κ-受体激动剂不仅可以用于镇痛且免除吗啡样副作用。它可用于镇痛、消炎镇痛、抗痛觉过敏、治疗分娩疼痛;用作利水剂、止痒剂;以及用于抗惊厥治疗、抗高血压、神经保护、治疗HIV感染和用于可卡因、吗啡成瘾的戒断等。因此,开发选择性κ-受体激动剂药物具有广阔的应用前景。
发明内容
本发明公开了一系列新的四氢异喹啉衍生物。经放射性配体结合实验和初步的动物体内镇痛试验显示,本发明化合物对κ-受体具有很高的亲和性和选择性,在小鼠热板镇痛试验研究当中,显示出了较强的镇痛活性。
本发明的化合物通式I如下:
Figure C200610088349D00041
其中R1代表:
Figure C200610088349D00051
R2代表:氢、氟、氯、溴、C1~C4烷烃、OR5、NR6R7、5,6-亚甲二氧基、6,7-亚甲二氧基或7,8-亚甲二氧基;
R3、R4代表:氢、氟、氯、溴、三氟甲基、C1~C4烷基、OR5、NR8R9、4,5-亚甲二氧基、5,6-亚甲二氧基或6,7-亚甲二氧基。即R3和R4可以代表上述相同或不同的基团。
R5代表:氢、C1~C4烷烃、烯丙基、环丙基、环丁基或环戊基;
R6、R7代表:氢、C1~C4烷基、甲酰基、乙酰基、丙酰基、甲磺酰基或乙磺酰基。即R6和R7可以代表上述相同或不同的基团。
R8、R9代表:氢、C1~C4烷基、烯丙基、甲酰基、乙酰基、丙酰基、甲磺酰基、乙磺酰基;即R8和R9可以代表上述相同或不同的基团。
或R8与R9一起,与氮原子共同形成环状基团。
通式I化合物较优选的是:
R1代表:
Figure C200610088349D00052
Figure C200610088349D00053
R2代表:氢、氟、氯、甲基、甲氧基、5,6-亚甲二氧基或6,7-亚甲二氧基;
R3、R4代表:氢、氟、氯、甲基、甲氧基、二甲胺基、4,5-亚甲二氧基、5,6-亚甲二氧基或6,7-亚甲二氧基。
更优选的化合物是:
R1代表
Figure C200610088349D00054
Figure C200610088349D00055
R2代表氢、氟、氯或甲氧基;R3、R4代表氢、氟、氯或甲氧基。
进一步优选的化合物是:
R1代表
Figure C200610088349D00056
R2代表氢,R3代表氢,R4代表氯。
根据本发明,药学上可接受的盐包括通式I化合物与下列酸形成的酸加成盐:盐酸、氢溴酸、硫酸、碳酸、柠檬酸、酒石酸、磷酸、乳酸、丙酮酸、乙酸、马来酸、甲磺酸、苯磺酸、对甲苯磺酸或精氨酸。
本发明部分化合物是:
1-(四氢吡咯-1-甲基)-2-(2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-1)
1-(3-甲基-四氢吡咯-1-甲基)-2-(2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-2)
1-(3-羟基-四氢吡咯-1-甲基)-2-(2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-3)
1-(3-氧代-四氢吡咯-1-甲基)-2-(2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-4)
1-(四氢吡咯-1-甲基)-2-(5,6-二甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-5)
1-(四氢吡咯-1-甲基)-2-(6-氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-6)
1-(3-羟基-四氢吡咯-1-甲基)-2-(6-氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-7)
1-(3-甲基-四氢吡咯-1-甲基)-2-(6-氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-8)
1-(3-氧代-四氢吡咯-1-甲基)-2-(6-氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-9)
1-(四氢吡咯-1-甲基)-2-(5,6-二氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-10)
1-(四氢吡咯-1-甲基)-2-(5-氟-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-11)
1-(四氢吡咯-1-甲基)-2-(4-氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-12)
1-(四氢吡咯-1-甲基)-2-(6-甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-13)
7-甲氧基-1-(四氢吡咯-1-甲基)-2-(2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-14)
7-甲氧基-1-(四氢吡咯-1-甲基)-2-(5,6-二甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-15)
7-甲氧基-1-(四氢吡咯-1-甲基)-2-(5,6-二氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-16)
7-甲氧基-1-(四氢吡咯-1-甲基)-2-(5-氟-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-17)
7-甲氧基-1-(四氢吡咯-1-甲基)-2-(6-氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-18)
7-甲氧基-1-(四氢吡咯-1-甲基)-2-(6-甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-19)
7-羟基-1-(四氢吡咯-1-甲基)-2-(2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-20)
7-羟基-1-(四氢吡咯-1-甲基)-2-(5,6-二甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-21)
7-羟基-1-(四氢吡咯-1-甲基)-2-(5,6-二氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-22)
7-羟基-1-(四氢吡咯-1-甲基)-2-(5-氟-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-23)
7-羟基-1-(四氢吡咯-1-甲基)-2-(6-氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-24)
7-羟基-1-(四氢吡咯-1-甲基)-2-(6-甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-25)
6,7-二甲氧基-1-(四氢吡咯-1-甲基)-2-(2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-26)
6,7-二甲氧基-1-(四氢吡咯-1-甲基)-2-(5,6-二甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-27)
6,7-二甲氧基-1-(四氢吡咯-1-甲基)-2-(5,6-二氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-28)
6,7-二甲氧基-1-(四氢吡咯-1-甲基)-2-(5-氟-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-29)
6,7-二甲氧基-1-(四氢吡咯-1-甲基)-2-(6-氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-30)
6,7-二甲氧基-1-(四氢吡咯-1-甲基)-2-(6-甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-31)
本发明通式(I)化合物的制备方法如下:
Figure C200610088349D00071
其中a代表反应条件:缩合剂为二环己基碳二亚胺(DCC)或1-乙基-3-(3-二甲胺基丙基)碳二亚胺
盐酸盐(EDCI);
催化剂为4-二甲氨基吡啶(DMAP)或1-羟基苯并三唑(HOBT);
溶剂为二氯甲烷、1,2-二氯乙烷、乙腈、N,N-二甲基甲酰胺、N,N-二甲基乙酰胺或二甲亚砜。
1-(四氢吡咯-1-甲基)-1,2,3,4-四氢异喹啉系列中间体(VI)以(取代)β-苯乙胺(通式II)为原料,制备方法如下:
2,3-二氢-茚-3-酮-1-羧酸系列中间体(XI)以(取代)苯甲醛(通式VII)为原料,制备方法如下:
Figure C200610088349D00082
注:当原料为苯甲醛时采用路线A,当原料为取代苯甲醛时采用路线B。
Figure C200610088349D00083
Figure C200610088349D00091
放射性配体结合实验结果表明,通式(I)的化合物及其药学上可接受的盐对κ-受体具有很高的选择性和亲和力,而对μ-受体的选择性和亲和力低或极低。在小鼠热板试验研究中显示出了很强的镇痛活性。
部分化合物的药理活性测试方法如下:
放射性配体受体结合实验
实验分总结合管和非特异结合管,另设几组样品管加不同浓度竞争配体。总结合管加相当于20μg的表达的膜受体蛋白和[3H]diprenorphine(0.5nM)(1.44Pbq.mol-1广谱阿片拮抗剂,Amersham公司),相对应的非特异结合管另加1μM的纳络酮(广谱阿片拮抗剂,Sigma公司),样品管加不同浓度待筛选的化合物,用50mM Tris(Amresco公司)-HCl(pH7.4)调节至终体积100μl。在30℃孵育30min,然后置冰水中终止反应。在Millipore样品收集器上经GF/(Whatman)玻璃纤维滤纸负压抽滤。用冰冷的50mM Tris-HCl(pH7.4)冲洗三次,每次4ml,滤纸烘干后,置于0.5ml Eppendorff管,加0.5ml亲脂闪烁液(上海试剂一厂),Beckman LS 6500多功能液体闪烁计数仪测定放射性强度,计算抑制率,每一浓度为三复管,每一次独立实验3-4次。
计算方法:
IC50值用Prism 4.0软件计算。
Ki=IC50/(1+[L]/Kd),([L]为所加标记配体的浓度,Kd为放射性配体的平衡解离参数)。
部分化合物药理测试结果如下:
表1.本发明部分化合物与κ-受体竞争结合实验数据
Figure C200610088349D00092
Figure C200610088349D00101
a表示化合物在1×10-5M时的抑制率。
表2.本发明部分化合物对κ-阿片受体的亲和力(Ki)和竞争结合(IC50)值
Figure C200610088349D00102
表3.本发明部分化合物对μ-阿片受体的亲和力(Ki)和竞争结合(IC50)值及受体选择性μKi/κKi值
Figure C200610088349D00103
a表示药物在1×10-6M时的抑制率。
小鼠热板镇痛筛选:
正常小鼠(昆明种小鼠,雌性,18~22g)挑选:实验室温度控制在22℃左右,测痛仪(型号GJ-8402,浙江宁海白石电子医药仪器厂)热板温度调节至55℃,记录小鼠自投入热板至出现舔后足时间作为该小鼠的痛域值,共测2次,每次间隔20分钟,以平均值不超过30秒为合格小鼠。
实验组小鼠:将合格小鼠随机分组,每组10只。皮下给予化合物I-6。各组均在给药后5,15,30,5,60分钟测定小鼠痛反应时间一次,超过1分钟认为该药有效。
上述动物镇痛实验方法依据经典的小鼠热板法(徐叔云主编.药理实验方法学(第二版)[M].人民卫生出版社,1991.)
化合物I-6的小鼠热板镇痛试验结果:ED50=25.0ug/kg(s.c)。
由上可知,本发明的化合物可用于预防或治疗与κ-阿片受体激动剂有关的疾病,如一般镇痛、消炎镇痛、抗痛觉过敏、治疗分娩疼痛;或用于抗惊厥治疗、抗高血压、神经保护、治疗HIV感染;或用于可卡因、吗啡成瘾的戒断,或用作利水剂、止痒剂。较优选的是用于治疗外科手术或癌症疼痛。
本发明还公开了一种治疗与κ-阿片受体激动剂有关的疾病的药物组合物,其中含有治疗有效量的通式(I)化合物和药学上可接受的载体。所述药物组合物可以是普通片剂或胶囊、缓释片剂或胶囊、控释片剂或胶囊、注射剂等制剂学上常规的制剂形式。
具体实施方式
部分活性化合物的制备实例如下:
RY-1型熔点管;Nicolet Impact 410型红外光谱仪,KBr压片;1H-NMR用BRUKER AM-500型核磁共振仪,内标TMS;HP1100型质谱仪;Agilent 1100系列LC/MSD Trap SL;元素分析仪为Carlo Erba 1106型。
实施例1
1-(四氢吡咯-1-甲基)-2-(2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-1)的制备N-(2-苯乙基)-2-氯乙酰胺(III-1)
在500ml三颈瓶中加入β-苯乙胺36.3g(0.3mol),碳酸钠31.8g(0.3mol),二氯甲烷300ml,冰浴控温0℃,搅拌下缓慢滴加氯乙酰氯40.68g(0.36mol),约1h滴毕,再于10℃搅拌反应2h,生成白色浊液,慢慢加入冰水150ml,分出有机层。有机层依次用10%稀盐酸溶液和饱和食盐水洗,无水硫酸钠干燥,减压蒸去溶剂,残余物以甲醇—水重结晶,过滤,干燥得白色针状晶体III-136g,收率61%,mp.61~63℃(文献值:60~63℃)。
1-氯甲基-3,4-二氢异喹啉盐酸盐(IV-1)
在500ml三颈瓶中,加入二甲苯300ml,五氧化二磷28.4g(0.2mol),机械搅拌升温至140℃,氮气保护下分批添加化合物III-19.48g(0.048mol),反应液立即变黄,回流反应3h。冷却,倾倒出二甲苯。在冰水浴冷却下向固体残余物中小心加入冰水450ml,溶液搅拌0.5h,用50%NaOH调节pH=11,乙醚萃取,无水Na2SO4干燥过夜。过滤,滤液在冰浴中通入干燥的HCl气体,溶液先浑浊后澄清,瓶壁有黄色固体析出,倾倒出溶剂,烘干得IV-15.3g,收率51%,mp.161~163℃(文献值:163~164℃)。
1-(四氢吡咯-1-甲基)-3,4-二氢异喹啉(V-1)
在100ml三颈瓶中,加入甲醇40ml,四氢吡咯3.55g(0.05mol),氮气保护,冰浴控温0℃,搅拌下缓慢滴加化合物IV-12.66g(0.0123mol)的甲醇溶液。滴毕,反应液升至室温,反应过夜,得V-1红色透明液,直接用于下步反应。
1-(四氢吡咯-1-甲基)-1,2,3,4-四氢异喹啉(VI-1)
冰浴控温0℃,向上步化合物V-1溶液中分批添加NaBH41.68g(0.025mol),放出氢气,反应液成黄色浊液。3h后反应液升至室温,蒸去溶剂,剩余物用NaOH处理后以乙醚提取。醚层用无水Na2SO4干燥过夜。过滤,蒸去溶剂后得桔黄色油状VI-1粗产物1.46g,收率55%,直接投下步反应。
2-苯甲基丙二酸二乙酯(VIII-a)
在250ml茄形瓶中,加入苯甲醛21.2g(0.2mol),丙二酸二乙酯32g(0.2mol),哌啶1.2ml,苯甲酸0.6g,苯60ml,升温至剧烈回流,分水器分水,反应18小时。减压蒸去苯,用氯仿—水萃取,有机层依次用水、1mol/L盐酸以及饱和碳酸氢钠溶液洗,无水NaSO4干燥过夜。过滤,减压蒸去溶剂,得桔红色油状物VIII-a42.5g,收率80%,直接投下步反应。(纯酯可以由蒸馏获得,b.p.140-142°/4mm)。
β-苯基-β-氰基丙酸乙酯(IX-a)
在1L三颈瓶中,加入化合物VIII-a 50g(0.2025mol),KCN 14g(0.215mol)的水溶液20ml,C2H5OH500ml,升温至65~75℃,搅拌反应18h。反应毕,冷却至15℃,过滤除去KHCO3,滤饼以20ml乙醇洗,与滤液合并。小心用5ml稀盐酸酸化,减压浓缩成半固态。冷却,乙醚—水萃取,有机层以无水氯化钙干燥,过滤,减压蒸去溶剂,得红色油状物IX-a27g,收率66%,直接投下步反应。(纯酯可以由蒸馏获得,b.p.161-164°/8mm)。
苯丁二酸(X-1)
在250ml茄瓶中,加入化合物IX-a 35g(0.172mol),浓盐酸125ml,加热回流18h,有桔红色固体析出,以水重结晶,活性炭脱色,得浅桔色液体,冷冻,析出白色固体X-127.5g,收率70%,mp.163~164℃(文献值:163-164℃)。
2,3-二氢-茚-3-酮-1-羧酸(XI-1)
在25ml三颈瓶中,加入化合物X-1粗品3g(0.017mol),SOCl23ml,机械搅拌,升温回流0.5h,稍冷后加入无水硝基苯6ml,无水AlCl33g(0.0225mmol),80℃反应1.5h。倒入75ml冰水中,水蒸汽蒸馏除去所有硝基苯,蒸毕,加入活性炭1.5g脱色,热滤,并迅速振摇冷却,得白色含水酸,mp.84℃。经干燥,最终得无水酸XI-11.2g,收率61%,mp.119~120℃,(文献值:120℃)。
在50ml三颈瓶中,加入化合物VI-10.97g(4.5mmol),化合物XI-10.95g(5.4m mol),DMAP催化量,CH2Cl2 20ml,冰浴控温0℃搅拌0.5小时,缓慢滴加DCC1.3g(6.3mmol)溶于10mlCH2Cl2所得的溶液,氮气保护室温反应过夜。反应液成桔红色浊液,过滤除去DCU。石油醚:乙酸乙酯:三乙胺=4:1:0.1柱层析,得白色固体I-10.67g,收率40%,mp.120~122℃。
Figure C200610088349D00131
1H-NMR(500MHz,CDCl3),δ(ppm):7.74~7.78(2H,m,ArH19,19 ),7.60(1H,m,ArH 20 ),7.15~7.43(12H,m,ArH20,21,21,22,7,7,8,8,5,5,6,6 ),6.99~7.01(1H,d,H 22 ),5.81/5.46~5.49(2H,dd/dd,H1,1),4. 99~5.01/4.68(2H,dd/dd,H 16,16),4.77~4.80/4.27~4.31(2H,m/m,H 3,3),3.92~3.98(1H,m,H9),3.32~3.37(1H,m,H 3’ ),2.45~3.17(20H,m,H3’,9,9’,9’ H17,17,17’,17’H4,4,4’,4’H11,11,11’,11’H14,14,14’,14’ ),1.67~1.81(8H,m,H12,12,12’,12’H13,13,13’,13’ )
(注:①由于分子中含有两个手性碳,产物含两对非对映异构体,即:RR/SS和RS/SR,因此
1H-NMR谱显示出两组氢,此种情况文献也有报道(Charles B K,Willem A L,Joseph P M.
Tetrahedron,2003,59:8337-8345.),下划线“_”表示含量较多的异构体,下同)IR(cm-1):3415,2962,2929,2790,1712(C=O),1641(C=O),1604,1434,1284,1238,1043,761MS(ESI(+)70V,m/z):375.2([M+H]+,base peak)
Anal.Calcd.forC24H26N2O2:C76.98,H7.00,N7.48;Found:C76.88,H7.07,N7.43
实施例2
1-(四氢吡咯-1-甲基)-2-(5,6-二甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-5)α-氰基-β-(3,4-二甲氧基苯基)-丙烯酸乙酯(VIII-b-2)
在250ml茄瓶中,加入3,4-二甲氧基苯甲醛26g(0.16mol),氰乙酸乙酯18g(0.16mol),哌啶0.8ml,冰醋酸2.4g,苯60ml,升温至120-130℃剧烈回流,分水器分水,反应12小时。减压蒸去苯,向反应液中倒入冰水,黄色固体析出,过滤,干燥得浅黄色晶体VIII-b-241g(收率几乎定量),mp.154~156℃(文献值:156℃)。
α,β-二氰-β-(3,4-二甲氧基苯基)丙酸乙酯(IX-b-2)
在250ml三颈瓶中,加入化合物VIII-b-252.2g(0.2mol),KCN14.3g(0.22mol)的水溶液15ml,C2H5OH180ml,搅拌回流反应40min。冷却,小心加入稀盐酸酸化,室温搅拌过夜。过滤,干燥,得白色固体。滤液放入冰箱,再次析出固体,以氯仿—水萃取,减压蒸去氯仿,共得白色固体IX-b-235g,收率60%,mp.92~94℃(文献值:93~95℃)。
3,4-二甲氧基苯丁二酸(X-2)
化合物IX-b-2经同X-1操作,加热回流8h,粗品以水重结晶,活性炭脱色,得白色固体X-2,收率75%,mp.173~174℃(文献值:172-174℃)。
5,6-二甲氧基-2,3-二氢-茚-3-酮-1-羧酸(XI-2)
在25ml三颈瓶中,加入PPA30g(反应物重量15倍),机械搅拌升温至70℃,加入化合物X-22g(8.47mmol),反应体系颜色由灰白渐变黄,至深红色,氮气保护70℃反应4h,倒入冰水中,以氯仿萃取,蒸干得浅黄色固体。以水重结晶,得白色固体XI-21.3g,收率70%。mp.190~190.5℃,(文献值:190~191℃)。
化合物VI-1和化合物X-2经同I-1操作,得白色固体I-5,收率35%,mp.124~125℃。1H-NMR(500MHz,CDCl3),δ(ppm):6.95~7.27(10H,m,ArH19,19,7,7,8,8,6,6,5,5 ),6.30/6.95(2H,s/s,22,22 ),5.80~5.82/5.51~5.53(2H,dd/dd,H1,1 ),4.85~4.88/4.55~4.57(2H,dd,H 16,16),4.82~4.83/4.21~4.25(2H,m,H 3,3),3.09,3.84,3.91,3.95(12H,s,OCH3,OCH3),3.38~3.48(1H,m,H 3’ ),3.13~3.17(1H,m,H 9 ),2.45~3.07(20H,m,H3’,H9,9’,9’ ,H17,17,17’,17’H4,4,4’,4’H11,11,11’,11’ ,H14,14,14’,14 ),1.62~1.81(8H,m,H12, 12,12’,12’ ,H13,13,13’,13’ )
IR(cm-1):3493,2961,2924,2805,2794,1673(C=O),1635(C=O),1594,1503,
1442,1311(C-O-C),1266,1218,1191,1119,1044(C-O-C),854,771
MS(ESI(+)70V,m/z):435.2([M+H]+,base peak)
Anal.Calcd.for C26H30N2O4·H2O:C 69.01,H 7.13,N 6.19;Found:C 68.94,H 7.08,N 6.14
实施例3
1-(四氢吡咯-1-甲基)-2-(6-氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-6)
α-氰基-β-(3-氯苯基)-丙烯酸乙酯(VIII-b-3)
以3-氯苯甲醛为原料,操作同VIII-b-2,得黄色晶体VIII-b-3,收率几乎定量,mp.100~101℃(文献值:101℃)。
α,β-二氰-β-(3-氯苯基)丙酸乙酯(IX-b-3)
在500ml三颈瓶中,加入化合物VIII-b-353g(0.225mol),KCN 15.5g(0.237mol)的水溶液16ml,C2H5OH 330ml,室温搅拌反应18h。小心加入稀盐酸酸化,过滤除去固体不溶物。减压浓缩,以氯仿—水萃取。减压蒸去氯仿,得棕色油状物IX-b-336g,收率62%。
3-氯苯丁二酸(X-3)
化合物IX-b-3经同X-1操作,加热回流8h,粗品以乙醚—石油醚重结晶,活性炭脱色,得白色固体X-3,收率70%,mp.158~160℃(文献值:161~162℃)。
6-氯-2,3-二氢-茚-3-酮-1-羧酸(XI-3)/4-氯-2,3-二氢-茚-3-酮-1-羧酸(XI-4)
化合物X-3经同化合物XI-1操作,得肉色固体XI-3与XI-4的混合物。柱层析分离,得白色固体XI-3收率50%,mp.146~148℃(文献值:148~151℃);另白色固体XI-4收率10%,mp171~174℃(文献值:171~174℃)。
化合物VI-1和化合物XI-3经同I-1操作得白色固体I-6,收率38%,mp.120℃。
1H-NMR(500MHz,CDCl3),δ(ppm):7.66~7.70(2H,m,ArH20,20 ),7.60/6.97(2H,s/s,
ArH 22,22),7.40~7.42/7.31~7.33(2H,dd/dd,ArH 19,19),7.14~7.29(8H,d,ArH7,7,8,8,5,5,6,6 ),5.80~5.83/5.37~5.39(2H,dd/dd,H 1,1),4.91~4.93/4.63~4.66(2H,dd/dd,H16,16 ),4.74~4.78/4.25~4.28(2H,m/m,H3,3 ),3.94~4.00(1H,m,H 9 ),3.29~3.33/3.22~3.26(2H,m/m,H3’,3’ ),2.44~3.20(15H,m,H9,9’,9’H17,17,17’,17’H4,4,4’,4’H11,11’,H14,14’),2.42~2.45/2.59~2.62(4H,m,H 1111’H 14 14’ ),1.54~1.79(8H,m,H12,12,12’,12’H13,13,13’,13’ )
13C-NMR  (500MHz,CDCl3),δ(ppm):77.2/58.1(C-1),55.4(C-3),28.6(C-4),132.9/126.9(C-4a),124.9~129.4(C-5,C-6,C-7,C-8,C-19,C-20,C-22),154.9(C-8a),61.6/54.8(C-9),
41.6/40.6(C-11),24.0(C-12),23.7(C-13),40.9(C-14),179.9/171.4(C-15),40.5/40.4(C-16),36.0/29.6(C-17),203.9(C-18),134.8/134.2(C-18a),141.3(C-21),135.4/135.2(C-22a)
IR(cm-1):3471,3413,2964,2929,2790,1716(C=O),1639(C=O),1596,1440,
825,744
MS(ESI(+)70V,m/z):409.2([M+H]+,base peak)
Anal.Calcd.for C24H25ClN2O2:C 70.49,H 6.16,N 6.85;Found:C 70.63,H 6.31,N 6.74
将化合物I-63g(7.35mmol)以丙酮溶解,在冰浴中通入干燥的HCl气体,有白色固体析出,得到I-6HCl2.9g,收率90%,mp.281~282℃。
Anal.Calcd.for C24H27Cl2N2O2.5:C 63.44,H 5.99,N 6.16;Found:C 63.56,H 6.24,N 6.09
实施例4
1-(四氢吡咯-1-甲基)-2-(4-氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-12)
化合物VI-1和化合物XI-4经同I-1操作,得白色固体I-12,收率40%,mp.135~136℃。
1H-NMR(500MHz,CDCl3),δ(ppm):7.14~7.70(14H,m,ArH),5.71/5.13~5.15(2H,dd/dd,H1,1 ),4.80~4.83/4.53(2H,dd/dd,H 16,16),4.75~4.79/4.02(2H,m/m,H3,3 ),2.44~3.17(22H,m,H3’,3’H9,9,9’,9’H17,17,17’,17’H4,4,4’,4’H11,11,11’,11’H14,14,14’,14’ ),1.54~1.87(8H,m,H12,12,12’,12’H1 3,13,13’,13’ )
IR(cm-1):3446,3425,2956,2925,2854,1724(C=O),1618(C=O),1460,1272,
1122,1068,821,779,754
MS(ESI(+)70V,m/z):409.2([M+H]+,base peak)
Anal.Calcd.for C24H25ClN2O2:C 70.49,H 6.16,N 6.85;Found:C 70.42,H 6.93,N 6.56
实施例5
1-(四氢吡咯-1-甲基)-2-(6-甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-13)α-氰基-β-(3-甲氧基苯基)-丙烯酸乙酯(VIII-b-4)
以3-甲氧基苯甲醛为原料,操作同VIII-b-2,得桔黄色油状物VIII-b-4,收率几乎定量,直接投下步反应。
α,β-二氰-β-(3-甲氧基苯基)丙酸乙酯(IX-b-4)
在500ml三颈瓶中,加入化合物VIII-b-4 69.3g(0.3mol),KCN 25.35g(0.39mol)的水溶液25ml,C2H5OH 480ml,室温搅拌反应18h。小心加入稀盐酸酸化,冷冻,过滤,干燥得土黄色固体,乙醇—水重结晶,得白色固体IX-b-4 46.44g,收率60%,mp.73℃。
3-甲氧基苯丁二酸(X-4)
化合物IX-b-4经同X-1操作,加热回流8h,粗品用丙酮重结晶,活性炭脱色,得白色固体X-4,收率78%。mp.174~175℃(文献值:174~175℃)。
6-甲氧基-2,3-二氢-茚-3-酮-1-羧酸(XI-5)
化合物X-4经同化合物XI-2操作,得白色固体XI-5,收率75%,mp.186~187.5℃,(文献值:186~187.5℃)。
化合物VI-1和化合物XI-5经同化合物I-1操作,得白色固体I-13,收率37%,mp.143~144℃。
1H-NMR(500MHz,CDCl3),δ(ppm):7.66~7.67/7.62~7.63(2H,d/d,ArH19,19 ),7.12~7.25(8H,m,ArH20,20,7,7,8,8,5,5 ),7.02/6.35(2H,s/s,ArH22,22 ),6.94~6.95/6.81~6.83(2H,dd/dd,ArH6,6 ),5.78/5. 46~5.49(2H,dd/dd,H1,1 ),4.89~4.91/4.57(2H,dd/dd,H 16,16),4.80~4.84/4.20~4.22(2H,m,H 3,3),3.20,3.87(6H,s,OCH3,OCH 3 ),3.36~3.40/3.17(2H,m/m,H 3’,3’),2.66~3.04(16H,m,H9,9,9’,9’H17,17,17’,17’H4,4,4’,4 4H 1111’H 1414’ ),2.45~2.59(4H,m,H11,11’,H14,14’),1.60~1.94(8H,m,H12,12,12’,12’H13,13,13’,13’ )IR(cm-1):3463,3419,2931,2819,1701(C=O),1643(C=O),1596,1433,1286,
1244(C-O-C),1087(C-O-C),831,748
MS(ESI(+)70V,m/z):405.1([M+H]+,base peak)
Anal.Calcd.for C25H28N2O3:C 74.23,H 6.98,N 6.93;Found:C 73.73,H 7.41,N 7.35
实施例6
7-甲氧基-1-(四氢吡咯-1-甲基)-2-(2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-14)
N-[2-(4-甲氧基苯基)-乙基]-2-氯乙酰胺(III-2)
以4-甲氧基苯乙胺为原料,操作同III-1,得白色晶体III-2,收率72%,mp.99~100℃(文献值:99~100℃)。
1-氯甲基-7-甲氧基-3,4-二氢异喹啉盐酸盐(IV-2)
化合物III-2经同IV-1操作,得到黄色固体IV-2,收率64%,mp.138~141℃(文献值:138~141℃)。
1-(四氢吡咯-1-甲基)-7-甲氧基-3,4-二氢异喹啉(V-2)
化合物IV-2经同V-1操作,得V-2棕黄色透明液,直接做下步反应。1-(四氢吡咯-1-甲基)-7-甲氧基-1,2,3,4-四氢异喹啉(VI-2)
化合物V-2经同VI-1操作,得桔黄色油状VI-2粗产物,收率60%,直接投下步反应。
化合物VI-2和化合物XI-1经同I-1操作,得白色固体I-14,收率42%,mp.135~136℃。
1H-NMR(500MHz,CDCl3),δ(ppm):7.59~7.77(4H,m,ArH19,19,20,20 ),7.33~7.44,7.12~7.14(4H,m,ArH21,21,22,22 ),7.05~7.06/7.00~7.02(2H,d/d,ArH5,5 ),6.83~6.85,6.73~6.78(4H,m,ArH 6,6,8,8),5.79/5.42~5.44(2H,dd/dd,H 1,1),4.97~5.00/4.74~4.76(2H,dd/dd,H 16,16),4.77~4.78/4.26~4.30(2H,m/m,H3,3 ),3.88~3.94/3.121~3.129(2H,m,H 9,9),3.78,3.83(6H,s,OCH3,OCH3),3.32~3.36(1H,m,H 3’ ),2.52~3.01(19H,m,H3’,H9’,9’H17,17,17’,17’H4,4,4’,4’H11,11,11’,11’H14,14,14’,14’ ),1.69~1.81(8H,m,H12,12,12’,12’H1 3,13,13’,13’ )
IR(cm-1):3456,3417,2929,2806,1714(C=O),1639(C=O),1610,1502,1442,
1249(C-O-C),1153,1037(C-O-C),765,811,765
MS(ESI(+)70V,m/z):405.2([M+H]+,base peak)
Anal.Calcd.for C25H28N2O3:C 74.23,H 6.98,N 6.93;Found:C 74.13,H 6.88,N 6.89
实施例7
7-甲氧基-1-(四氢吡咯-1-甲基)-2-(5,6-二甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-15)
化合物VI-2和化合物XI-2经同I-1操作,得白色固体I-15,收率39%,mp.122~124℃。
1H-NMR(500MHz,CDCl3),δ(ppm):7.20/7.15(2H,s/s,ArH19,19 ),7.11~7.13/7.03~7.05
(2H,dd/dd,ArH 5,5),6.94/6.33(2H,s/s,ArH22,22 ),6.80~6.82(2H,m,ArH 68 ),6.763~6.768(2H,m,ArH6,8),5.76~5.79/5.46~5.48(2H,dd/dd,H1,1 ),4.84~4.86/4.54~4.57(2H,dd,H 16,16),4.80~4.83/4.21~4.24(2H,m/m,H 3,3),3.17,3.78,3.80,3.85,3.93,3.95(18H,s,OCH3,OCH3),3.38~3.42(1H,m,H 3’ ),2.65~3.14(17H,m,H3’,H9,9,9’,9’H17,17,17’,17’H4,4,4’,4’H 1111’H14,14’ ),2.44~2.62(4H,m,H11,11’,H14,14’),1.63~1.80(8H,m,H12 ,12,12’,12’H13,13,13’,13’ )
IR(cm-1):3460,2960,2794,1701(C=O),1639(C=O),1500,1440,1296
(C-O-C),1253,1215,1039(C-O-C),856,819
MS(ESI(+)70V,m/z):465.5([M+H]+,base peak)
Anal.Calcd.for C27H32N2O5·1/2 H2O):C 68.48,H 7.02,N 5.92;Found:C 68.95,H 7.15,N 5.46
实施例8
7-甲氧基-1-(四氢吡咯-1-甲基)-2-(6-氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-18)
化合物VI-2和化合物XI-3经同I-1操作,得白色固体I-18,收率40%,mp.151~153℃。
1H-NMR(500MHz,CDCl3),δ(ppm):7.65~7.69(2H,d/d,ArH20,20 ),7.58/6.99(2H,s/s,ArH 22,22),7.39~7.40/7.30~7.32(2H,dd/dd,ArH 19,19),7.12~7.14/7.03~7.04(2H,d/dd,ArH5,5 ),6.83~6.86,6.74~6.77(4H,m,ArH6,6,8,8 ),5.76/5.31~5.32(2H,dd/dd,H 1,1),4.89/4.62(2H,dd/dd,H16,16 ),4.69~4.73/4 .21~4.24(2H,m/m,H3,3 ),3.90~3.96(1H,m,H9),3.78,3.82(6H,s,OCH3,OCH 3 ),3.28~3.32(1H,m,H3’),2.65~3.03(16H,m,H 3’ ,H 9,9’,9’H17,17,17’,17’H4,4,4’,4’H11,11’,H14,14’) 2.46~2.59(4H,m,H 1111’H 1414’ ),1.64~1.77(8H,m,H12,12,12’,12’H13,13 13’,13’ )
IR(cm-1):3469,3411,2956,2794,1708(C=O),1641(C=O),1600,1436,1311
(C-O-C),1242,1161,1035(C-O-C),881,835,806
MS(ESI(+)70V,m/z):439.2([M+H]+,base peak)
Anal.Calcd.for C25H27ClN2O3:C 68.41,H 6.20,N 6.38;Found:C 68.08,H 6.32,N 6.11
实施例9
7-甲氧基-1-(四氢吡咯-1-甲基)-2-(6-甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-19)
化合物VI-2和化合物XI-5经同I-1操作,得白色固体I-19,收率34%,mp.144~145℃。
1H-NMR(500MHz,CDCl3),δ(ppm):7.71~7.72/7.63~7.64(2H,d/d,ArH19,19 ),7.12,7.13
(1H,d/d,ArH 5 ),7.03~7.05(2H,m,ArH5,22),6.94~6.96(1H,dd/dd,ArH 20 ),6.76~6.84/6.82~6.84(5H,m,ArH20,6,6,8,8),6.36~6.37(1H,s,ArH 22 ),5.75~5.78/5.43~5.45(2H,dd/dd,H1,1 ),4.88~4.90/4.58~4.60(2H,dd/dd,H 16,16),4.80~4.83/4.21~4.25(2H,m/m,H 3,3),3.24,3.78,3.81,3.87,(12H,s,OCH3,OCH 3 ),3.37~3.42(1H,m,H 3’ ),2.64~3.17(17H,m,H3’,H9,9,9’,9’H17,17,17’,17’H4,4,4’,4’H 1111’H 1414’ ),2.45~2.59(4H,m,H11,11’,H14,14’),1.60~1.80(8H,m,H12,12,12’,12’H13,13,13’,13’ )
IR(cm-1):3475,3415,2960,2921,2804,1704(C=O),1645(C=O),1598,1498,
1436,1284,1249(C-O-C),1037(C-O-C),827,775
MS(ESI(+)70V,m/z):435.2([M+H]+,base peak)
Anal.Calcd.for C26H30N2O4·1/2H2O):C 70.41,H 7.04,N 6.32;Found:C 70.71,H 7.04,N 6.62
实施例10
6,7-二甲氧基-1-(四氢吡咯-1-甲基)-2-(2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-26)N-[2-(3,4-二甲氧基苯基)-乙基]-2-氯乙酰胺(III-3)
以3,4-二甲氧基苯乙胺为原料,操作同III-1,得白色晶体III-3,收率62%,mp.94~95℃(文献值:94~95℃)。
1-氯甲基-6,7-二甲氧基-3,4-二氢异喹啉盐酸盐(IV-3)
化合物III-3经同IV-1操作,得到黄色固体IV-3,收率57%,mp.194~196℃(文献值:196℃)。
1-(四氢异喹啉-1-甲基)-6,7-二甲氧基-3,4-二氢异喹啉(V-3)
化合物IV-3经同V-1操作,得V-3棕黄色透明液,直接做下步反应。
1-(四氢异喹啉-1-甲基)-6,7-二甲氧基-1,2,3,4-四氢异喹啉(VI-3)
化合物V-3经同VI-1操作,得桔黄色油状VI-3粗产物,收率55%,直接投下步反应。
化合物VI-3和化合物XI-1经同I-1操作,得白色固体I-26,收率42%,mp.174~175℃。
1H-NMR(500MHz,CDCl3),δ(ppm):7.74~7.78(2H,m,ArH 1920 ),7.58/7.61(2H,m,
ArH19,20),7.34~7.45(3H,m,ArH 21,21,22),7.00,7.01(1H,d/d,H 22 ),6.74,6.70(2H,s/s,ArH8,8 ),6.68~6.70,6. 61(2H,s/s,ArH5,5 ),5.71/5.37~5.40(2H,dd/dd,H1,1 ),4.96~4.99/4.66(2H,dd/dd,H 16,16),4.78~4.82/4.27~4.31(2H,m/m,H 3,3),3.85,3.90(12H,s,OCH3,OCH 3 ),3.34~ 3.38(1H,m,H 3’ ),2.66~3.14(17H,m,H3’,H9,9,9’,9’H17,17,17’,17’H4,4,4’,4’H11,11’,H14,14’),2.47~2.56(4H,m,H11,11’,H14,14’),1.65~1.78(8H,m,H12,12,12’,12’H13,13,13’,13’ )
IR(cm-1):3448,3406,2958,2790,1708(C=O),1639(C=O),1515,1436,1257,
1234(C-O-C),1120,1024(C-O-C),883,837,775
MS(ESI(+)70V,m/z):435.5([M+H]+,base peak)
Anal.Calcd.for C26H30N2O4:C 71.87,H 6.96,N 6.45;Found:C 72.19,H 6.87,N 6.38
实施例11
6,7-二甲氧基-1-(四氢吡咯-1-甲基)-2-(5,6-二甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-27)
化合物VI-3和化合物XI-2经同I-1操作,得白色固体I-27,收率33%,mp.125℃。
1H-NMR(500MHz,CDCl3),δ(ppm):7.19/7.15(2H,s/s,ArH19,19 ),6.94/6.75(2H,s/s,
ArH22,22 ),6.73/6.67(2H,s/s,ArH8,8 ),6.59/6.36(2H,s/s,ArH5,5 ),5.70~5.73/5.40~5.43(2H,dd/dd,H1,1 ),4. 84~4.85,4.54~4.56(2H,dd,H 16,16),4.81~4.83,4.20~4.25(2H,m/m,H 3,3),
3.20,3.85~3.95(24H,s,OCH3,OCH 3 ),3.37~3.42(1H,m,H 3’ ),2.65~3.13(17H,m,H3’,H9,9 9’,9’H17,17,17’,17’H4,4,4’,4’H 1111’H 1414’ ),2.47~2.59(4H,m,H11,11’,H14,14’),1.58~1.80(8H,m,H12,12,12’,12’H13,13,13’,13’ )
IR(cm-1):3415,2947,2800,1695(C=O),1633(C=O),1500,1442,1307
(C-O-C),1269,1251,1215,1116,1043(C-O-C),864,775
MS(ESI(+)70V,m/z):495.5([M+H]+,base peak)
Anal.Calcd.for C28H34N2O6·H2O:C 65.61,H 7.08,N 5.47;Found:C 65.79,H 6.86,N 5.23
实施例12
6,7-二甲氧基-1-(四氢吡咯-1-甲基)-2-(6-氯-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-30)
化合物VI-3和化合物XI-3经同I-1操作,得白色固体I-30,收率35%,mp.178~179℃。
1H-NMR(500MHz,CDCl3),δ(ppm):7.66~7.70(2H,d/d,ArH20,20 ),7.59/7.00(2H,s/s,
ArH 22,22),7.40~7.42/7.32~7.33(2H,dd/dd,ArH 19,19),6.69,6.61(4H,s/s,ArH5,8,8,5),5.72/5.28~5.31(2H,dd/dd,H 1,1),4.90~4.92/4.64(2H,dd/dd,H16,16 ),4.73~4.77/4.24~4.28(2H,m/m,H3,3 ),3.86,3.90(12H,s,OCH3,OCH3),3.30~3.34(1H,m,H 3’ ),2.65~3.03(17H,m,H3’,H9,9,9’,9’H17,17,17’,17’H4,4,4’,4’H11,11’,H14,14’),2.46~2.59(4H,m,H 1111’ ,H 14,14’ ),1.64~1.79(8H,m,H12,12,12’,12’H13,13,13’,13’ )
IR(cm-1):3456,3413,3328,2927,2796,1712(C=O),1637(C=O),1591,1517,
1438,1313(C-O-C),1261,1238,1118(C-O-C),887,840,777
MS(ESI(+)70V,m/z):469.2([M+H]+,base peak)
Anal.Calcd.for C26H29ClN2O4:C 66.59,H 6.23,N 5.97;Found:C 66.48,H 6.67,N 5.93
实施例13
6,7-二甲氧基-1-(四氢吡咯-1-甲基)-2-(6-甲氧基-2,3-二氢-茚-3-酮-1-羰基)-1,2,3,4-四氢异喹啉(I-31)
化合物VI-3和化合物XI-5经同I-1操作,得白色固体I-31,收率44%,mp.193~195℃。
1H-NMR(500MHz,CDCl3),δ(ppm):7.70~7.72/7.63~7.64(2H,d/d,ArH19,19 ),7.02~7.03/6.38~6.39(2H,m/m,ArH22,22 ),6.94~6.96/6.82~6.84(2H,dd/dd,ArH20,20 ),6.73/6.67(2H,s/s,ArH8,8 ),6. 67/6.60(2H,s/s,ArH 5,5),5.69~5.72/5.37~5.40(2H,dd/dd,H1,1 ),4.87~4.90/4.57~4.60(2H,dd/dd,H 16,16),4.81~4.84/4.22~4.26(2H,m/m,H 3,3),3.28,3.85~3.88(18H,s,OCH3,OCH 3 ),3.36~3.41(1H,m,H 3’ ),2.64~3.13(17H,m,H3’,H9,9,9’,9’H17,17,17’,17’H4,4,4’,4’H 1111’H 1414’ ),2.46~2.58(4H,m,H11,11’,H14,14’),1.61~1.79(8H,m,H12,12,12’,12’H13,13,13’,13’ )
IR(cm-1):3446,2960,2933,2796,1701(C=O),1637(C=O),1596,1515,1442,
1282,1253(C-O-C),1114,1022(C-O-C),837,775
MS(ESI(+)70V,m/z):465.2([M+H]+,base peak)
Anal.Calcd.for C27H32N2O5:C 69.81,H 6.94,N 6.03;Found:C 70.04,H 6.96,N 5.90
实施例14
片剂
取实施例3制得的化合物I-610mg与淀粉50mg,糊精50mg混合,用适量30%乙醇作湿润剂,制成软材,常规方法制粒,加入适量硬脂酸镁混合,制成片剂。

Claims (9)

1、通式(I)的化合物或其药学上可接受的盐:
Figure C200610088349C00021
其中R1代表:
Figure C200610088349C00022
R2代表:氢或OR5
R3、R4代表:氢、氟、氯、溴或OR5
R5代表:氢或C1~C4烷烃。
2、权利要求1的化合物,其中R1代表
Figure C200610088349C00023
R2代表氢或甲氧基;R3、R4代表氢、氟、氯或甲氧基。
3、权利要求2的化合物,其中R1代表
Figure C200610088349C00024
R2代表氢,R3代表氢,R4代表氯。
4、权利要求1的化合物,其中药学上可接受的盐为化合物I与下列酸形成的酸加成盐:盐酸、氢溴酸、硫酸、碳酸、柠檬酸、酒石酸、磷酸、乳酸、丙酮酸、乙酸、马来酸、甲磺酸、苯磺酸、对甲苯磺酸或精氨酸。
5、权利要求1的通式(I)化合物的制备方法,包括以下步骤:
Figure C200610088349C00025
其中a代表反应条件:缩合剂为二环己基碳二亚胺或1-乙基-3-(3-二甲胺基丙基)碳二亚胺盐酸盐;
催化剂为4-二甲氨基吡啶或1-羟基苯并三唑;
溶剂为二氯甲烷、1,2-二氯乙烷、乙腈、N,N-二甲基甲酰胺或N,N-二甲基乙酰胺或二甲亚砜;
R1、R2、R3、R4的定义同权利要求1。
6、一种药物组合物,其中含有治疗有效量的权利要求1的通式(I)化合物和药学上可接受的载体。
7、权利要求1至4中任一项的化合物在制备用于预防或治疗与κ-阿片受体激动剂有关的疾病的药物中的用途。
8、权利要求7的用途,其中用于预防或治疗与κ-阿片受体激动剂有关的疾病的药物可用作一般镇痛、消炎镇痛、抗痛觉过敏或治疗分娩疼痛药物;或用作抗惊厥治疗、抗高血压、神经保护或治疗HIV感染药物;或用作可卡因、吗啡成瘾的戒断药物,或用作利水剂、止痒剂。
9、权利要求8的用途,其中与κ-阿片受体激动剂有关的疾病是外科手术或癌症疼痛。
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