CN1426401A - 新的长效倍他米美类药物(betamimetics)其制备方法,及其作为药物组合物的用途 - Google Patents

新的长效倍他米美类药物(betamimetics)其制备方法,及其作为药物组合物的用途 Download PDF

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CN1426401A
CN1426401A CN01808610A CN01808610A CN1426401A CN 1426401 A CN1426401 A CN 1426401A CN 01808610 A CN01808610 A CN 01808610A CN 01808610 A CN01808610 A CN 01808610A CN 1426401 A CN1426401 A CN 1426401A
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库尔特·施罗姆
亚历山大·沃兰德
卡尔-海因茨·博曾格
赫曼·肖伦伯格
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Abstract

本发明关于通式1的新颖倍他米美类药物,其中R1是基团(a),其中R3是可被甲氧基任意取代的苄基,R4为氢或R3和R4相连结代表-CO-CH2-CO-桥接,该桥接的羰基连接到氮,R2是选自(b)和(c)的基团,其中R5是二甲氨基,甲氧基或丁氧基,X是一个氮或碳,如X是氮则R6是甲氧苯基或如X是碳则为一稠合的苯基环同时连结到X,本发明也涉及制备所述倍他米美类药物的方法并涉及其作为药物的用途。

Description

新的长效倍他米美类药物(BETAMIMETICS), 其制备方法,及其作为药物组合物的用途
本发明关于通式 1的新颖倍他米美类其中R1和R2具有权利要求和说明书中所述的意义,其制备方法以及其作为药物的用途。
发明背景
倍他米美药物(β-肾上腺素能物质)是由现有技术中已知。其可广泛用于各种治疗应用。
为了疾病的药物处置,往往希望制备具有长效持续的药物。通常,要保证在体内长时间达到治疗效果所必要的活性物质浓度,不需要经常重复投药。以较长时间间隔投药活性物质对于患者是很舒适的。
本发明的目的为制备倍他米美类,其特征为活性持续时间较长,因而能够用于制备具有长效的药物组合物。
发明详细说明
意外地发现,上述目的通过通式 1的化合物得到解决。
因此,本发明是关于通式 1的化合物
Figure A0180861000072
其中
R1表示以下基团
Figure A0180861000081
其中
R3表示苄基,必要时可被甲氧基取代;
R4表示氢
R3和R4一起表示-CO-CH2-O-桥接,该桥接的羰基连接到氮,R2表示选自以下的基团:
其中,
R5表示二甲氨基,甲氧基或丁氧基;
X表示氮或碳,
R6如X为氮则表示甲氧苯基,或者如X为碳则表示一稠合苯基环并也连结到X。
通式 1的优选化合物为:其中R1表示选自以下的基团,R2是一个选自以下的基团,
Figure A0180861000091
特别优选的通式 1化合物为,其中R1表示一个选自以下的基团,
Figure A0180861000094
R2表示一个选自以下的基团,
Figure A0180861000095
根据本发明尤其重要的式 1的化合物为,其中R1表示以下基团
Figure A0180861000097
其中
R3和R4一起表示-CO-CH2-O-桥接,其中的羰基连接在氮上,R2表示选自以下的基团,
Figure A0180861000102
其中,
R5表示二甲氨基,甲氧基或丁氧基;
X表示氮或碳,
R6如X为氮则表示甲氧苯基,或者如X为碳则表示一稠合苯基环,其也连结到X。
优选的通式 1化合物为:其中R1表示R2表示选自以下一基团,
根据本发明同样重要的式 1化合物为,其中R1表示下基团
其中
R3表示苄基,必要时可被甲氧基取代;
R4表示氢;R2表示下基团
Figure A0180861000111
其中
X表示氮或碳,
R6如X为氮则表示甲氧苯基,或如X为碳则表示一稠合苯基环,并也连接到X。
根据本发明尤其重要的为以下式 1表示的化合物:-1-[3-(4-甲氧苄基-氨基)-4-羟苯基]-2-[4-(1-苯并咪唑基)-2-甲基-2-丁氨基]乙醇,-1-[2H-5-羟基-3-氧-4H-1,4-苯并噁嗪-8-基]-2-[3-(4,-N,N-二甲氨苯基)-2-甲基-2-丙氨基]乙醇,-1-[2H-5-羟基-3-氧-4H-1,4-苯并噁嗪-8-基]-2-[3-(4-n-丁氧苯基)-2-甲基-2-丙氨基]乙醇。
在根据本发明式 1的化合物,R1可以表示以下基团
Figure A0180861000112
优选为以下基团之一
根据本发明式 1的化合物中,尤其优选的为其中在上述基团R1的羟基位于氨基取代基的邻位或间位。最好羟基位于氨基的邻位。
本发明的式 1的化合物,视需要可以为个别光学异构体,个别对映异构体或外消旋体的混合物形式,以及游离碱形式或其与药物可接受酸的相应酸的加成盐形式,例如与氢卤酸例如氢氯酸或氢溴酸的酸加成盐,或者与有机酸的加成盐类,如乙酸,草酸,甲酸,二甘醇酸或甲磺酸。
上述酸加成盐中,根据本发明,优选为氢氯酸,甲磺酸和乙酸的盐。
根据本发明化合物可按如下所述制备,部分类似于现有技术中已知的步骤(流程1)。 流程1:
由适当取代的醛 2开始,其必要时可以以其水合物形式存在,与胺 3进行反应而形成式 4的席夫碱(Schiffs base)。从现有技术已知形成席夫碱的方法。这些席夫碱最后经还原而形成本发明式 1的化合物。这还原反应可以类似于已知的标准方法例如以硼氢化钠形式的金属盐氢化物进行。必要时使用保护基(例如苄基保护基)。其使用和其后的去除为专业人员所熟知。
以下所述的合成法实例是用以进一步说明本发明。其仅仅作为步骤的实例,以进一步说明本发明,并非将本发明限制于以下实施例所述。实施例1:1-[2H-5-羟基-3-氧-4H-1,4-苯并噁嗪-8-基]-2-[3-(4,-N,N-二甲氨苯 基)-2-甲基-2-丙氨基]乙醇: 制备席夫碱(式4的化合物)
将19.1克(0.058摩尔)[2H-5-苄氧基-3-氧-4H-1,4-苯并噁嗪-8-基]-乙二醛水合物添加到加热至70℃的250毫升乙醇和9.6克(0.05摩尔)3-(4-N,N-二甲氨苯基)-2-甲基-2-丙胺的溶液中,并搅拌15分钟。冷却后将析出的晶体吸滤并干燥。产率:24克=理论值的99%;熔点=201-204℃。还原席夫碱,得到1-[2H-5-苄氢基-3-氧-4H-1.4-苯并噁嗪-8-基]-2-[3-(4,-N, N-二甲氨基-苯基)-2-甲基-2-丙氨基]乙醇:
将24克席夫碱(0.0495摩尔)悬浮于120毫升乙醇/120毫升二噁烷的混合物中,并在10-20℃于30分钟内与2克NaBH4反应,并搅拌1小时。添加10毫升丙酮后,混合物搅拌30分钟,以300毫升乙酸乙酯稀释,将乙酸乙酯相以约200毫升水清洗二次,以硫酸钠干燥,溶剂真空除去。将醇/丙酮处理残渣,以浓盐酸酸化分离二氢氯化物并吸滤。产率:17.5克=理论值的62.6%;熔点=180-185℃。裂解保护基,得到标题化合物:
将3.5克以上得到的苄基化合物(0.0066摩尔)于75毫升甲醇中在常温和常压下添加0.5克Pd/C进行氢化。吸滤除去催化剂,蒸发滤液,过筛并分离析出的晶体。产率2.4克=理论值的82.8%;熔点=216-218℃(氢氯化物)。实施例2:1-[2H-5-羟基-3-氢-4H-1,4-苯并噁嗪-8-基]-2-[3-(4-n-丁氧苯基)-2- 甲基-2-丙氨基]乙醇:
类似实施例1的方法制备标题化合物。熔点=189-190℃(甲磺酸盐)。实施例3:1-[3-(4-甲氧苄基-氨基)-4-羟苯基]-2-[4-(1-苯并咪唑基)-2-甲基-2- 丁氨基]乙醇:
按类似于实施例1的方法制备标题化合物。熔点=154-155℃(乙酸盐)。实施例4:1-[2H-5-羟基-3-氧-4H-1,4-苯并噁嗪-8-基]-2-[3-(4-甲氧苯基)-2- 甲基-2-丙氨基]乙醇:
Figure A0180861000141
按类似于实施例1的方法制备标题化合物。熔点=202-205℃(氢氯化物)。实施例5:1-[2H-5-羟基-3-氧-4H-1,4-苯并噁嗪-8-基]-2-{4-[3-(4-甲氧苯基)-1, 2,4-三唑-3-基]-2-甲基-2-丁氨基}乙醇:
按类似于实施例1的方法制备标题化合物。熔点=175-179℃(氢氯化物)。
正如所发现的,通式 1化合物的特征为其在治疗领域中的用途范围。尤其应该述及的本发明式 1化合物的应用,优选可以作为倍他米美的药物活性而使用。这些包括例如治疗支气管哮喘(支气管肌的松弛),处理COPD的发炎成份,抑制产科中过早发生的宫缩(宫缩抑制),在心房心室阻隔时恢复心脏的窦性心律(sinusthythmus),以及矫正心动徐缓心律紊乱(抗心律不齐药剂),处置循环性休克(血管扩张并提高心-时体积)以及处置搔痒刺激和皮肤发炎。
通式 1化合物可以单独使用或与其它本发明式 1的活性物质组合使用。必要时,通式 1化合物也可以与其它药物活性物质组合使用。这里尤其涉及抗胆碱能物,必要时的其它倍他米美类药物,抗过敏剂,PAF拮抗剂,白三烯拮抗剂和类甾醇类以及其活性物质的组合物。
可以述及的抗胆碱能物的实例包括异丙基阿托品(ipratropium)溴化物,溴乙东莨菪碱(oxitropium)溴化物,特别是替沃托品(tiotropium)溴化物。除本发明化合物外还含有替沃托品(tiotropium)溴化物作为另一活性物质的药剂组合物是尤其优选。这组合物在处置气喘或COPD时,尤为重要,特别是COPD。
1化合物给药的适当使用方式包括例如片剂,胶囊,栓剂,液剂等等。药物活性化合物含量应该是组合物总量的0.05至90重量%(优选0.1至50重量%)范围内。例如,合适的片剂可通过混合活性物质与已知赋形剂而制得,例如如碳酸钙,磷酸钙或乳糖的惰性稀释剂,如玉米淀粉或藻酸的崩解剂,如淀粉或明胶的粘合剂,如硬脂酸镁或滑石的润滑剂和/或用以延迟释放用的制剂,如羧甲基纤维素,苯二甲酸纤维素乙酸酯,或聚乙酸乙烯酯。片剂也可以包括多层。
糖衣片剂可通过以正常用于片剂涂层的物质涂布类似片剂制得的核心而制备,例如可力酮(collidone)或虫胶,阿拉伯胶,滑石,二氧化钛或蔗糖。为了达到延迟释放或避免不相容性,核心也可以由多层组成。片剂涂层同样可由多层组成以达到延迟释放,其中也能使用上述用于片剂的赋形剂。
本发明活性物质或活性物质组合物的糖浆可另外含有甜化剂,如糖精,环己烷氨磺酸盐,甘油或糖类及增味剂,例如香精或如香草或柑橘萃取物。另外也可含有悬浮助剂或增稠剂,如羧甲基纤维素钠,湿润剂,如脂肪醇与环氧乙烷的缩合产物,或防腐剂,如对羟基苯甲酸盐类。
液剂以常用方式制备,例如添加等渗剂、防腐剂如对羟基苯甲酸盐,或稳定剂,如乙二胺四乙酸的碱金属盐类,必要时使用乳化剂和/或分散剂,然而,如使用水作为稀释剂,必要时可使用有机溶剂作为溶剂或助溶剂,并转移到注射瓶或安瓿或灌输瓶中。
含一种或多种活性物质或活性物质组合物的胶囊,可以例如通过将活性物质与惰性载体,如乳糖或山梨糖醇进行混合,并将其包装在明胶胶囊内而制备。
适当栓剂可以例如通过和预先准备的载体,如中性脂肪或聚乙二醇或其衍生物混合而制得。
作为助剂可以使用,例如,水,药物可接受的有机溶剂,如石蜡(例如石油馏份),植物基油(例如花生油或芝麻油),单-或多官能醇类(例如乙醇或甘油),载体,如天然岩石粉末(例如高岭土,粘土,滑石,白垩土),合成矿物粉末(例如高度分散的硅酸和硅酸盐),糖(例如蔗糖,乳糖或葡萄糖),乳化剂(例如木质素,亚硫酸盐废碱液,甲基纤维素,淀粉和聚乙烯吡咯烷酮)和润滑剂(例如硬脂酸镁,滑石,硬脂酸和月桂基硫酸钠)。
制剂以常用方法给药,在处置哮喘或COPD时优选为吸入法。关于口服使用的片剂,除了上述载体外,当然还可以包含添加剂,如柠檬酸钠,碳酸钙和磷酸二钙与各种添加剂,如淀粉,优选是马铃薯淀粉,明胶和类似物。此外,制片时可同时使用润滑剂,如硬脂酸镁,月桂基硫酸钠和滑石。水性悬浮液时,除了上述助剂外,活性物质可以掺入各种增味剂或染色剂。
根据本发明化合物剂量是非常取决于给药方式和所治疗的疾病而定。当以吸入方式使用式 1化合物时,以微克范围内的剂量表明为高效力。式 1化合物也可以有效地使用微克范围以上。剂量也可以在克的范围内。
以下实施例和配方例说明本发明而非限定其范围:药物配方实施例 A)  片剂                 每片
活性物质              100毫克
乳糖                  140毫克
玉米淀粉              240毫克
聚乙烯吡咯烷酮        15毫克
硬脂酸镁              5毫克
                      500毫克
将细研磨的活性物质,乳糖和部分玉米淀粉混合。将混合物过筛,其后以聚乙烯吡咯烷酮的水溶液湿润,捏和,湿磨并干燥。将颗粒,剩余的玉米淀粉和硬脂酸镁过筛并混合。将混合物压制为适当形状和大小的片剂。B)   片剂                 每片
活性物质              80毫克
乳糖                  55毫克
玉米淀粉              190毫克
微晶纤维素            35毫克
聚乙烯吡咯烷酮        15毫克
羧甲基钠淀粉          23毫克
硬脂酸镁              2毫克
                     400毫克
将细研磨的活性物质,部分玉米淀粉,乳糖,微晶纤维素和聚乙烯吡咯烷酮混合,将混合物过筛并以剩余的玉米淀粉和水处理成粒状并将其干燥和过筛。添加羧甲基钠淀粉和硬脂酸镁并混合,将混合物压制成适当大小的片剂。C)   安瓿溶液
活性物质          50毫克
氯化钠            50毫克
注射用水          5毫升
将活性物质于其pH或必要时在pH5.5至6.5下溶于水中,添加氯化钠使其等渗压。将得到的溶液在无热源下过滤,并在无菌状态下将滤液移入安瓿中,其后将其消毒并密封。安瓿含5毫克,25毫克和50毫克活性物质。D)   计量气雾剂
活性物质                0.005
失水山梨糖醇三油酸酯    0.1
单氟三氯甲烷和
二氟二氯甲烷2∶3        添加至100
将悬浮液移至通常的具有计量阀的喷雾容器中。最好每喷一次输送50微升悬浮液。必要时也能以较高剂量(例如0.02重量%)输送。F)   溶液(以毫克/100毫升计)
活性物质                    333.3毫克
替沃托品(tiotropium)溴化物  333.3毫克
氯苄烷铵                    10.0毫克
EDTA                        50.0毫克
HCl(1N)                     添加至pH3.4
此溶液能够以通常方法生产。F)   可吸入式粉末
活性物质                    6微克
替沃托品(tritropium)溴化物  6微克
乳糖单水合物                添加至25毫克
可吸入式粉末可通过将各成份混合并以常用方法制备。

Claims (17)

1.通式 1的化合物
Figure A0180861000021
其中R1表示基团:
其中
R3表示苄基,必要时可被甲氧基取代;
R4表示氢
R3和R4一起表示-CO-CH2-O-桥接,桥接中的羰基连接到氮上,R2表示选自下述基团:
其中,
R5表示二甲氨基,甲氧基或丁氧基;
X表示氮或碳,
R6如X为氮则表示甲氧苯基,或者如X为碳则表示一稠合苯基环,它也连接到X。
2.根据权利要求1的通式 1化合物,其中R1表示选自下述基团,
Figure A0180861000031
R2表示选自下述基团,
Figure A0180861000035
3.根据权利要求1,2或3的通式 1化合物,其中R1表示选自下述基团R2表示选自下述基团
Figure A0180861000038
4.根据权利要求1的式 1化合物,其中R1表示以下基团
Figure A0180861000041
其中
R3和R4一起表示-CO-CH2-O-桥接,此桥接的羰基连接到氮上,R2表示选自下述基团
其中,
R5表示二甲氨基,甲氧基或丁氧基;
X表示氮或碳,
R6如X为氮则表示甲氧苯基,或者如X为碳则表示稠合苯环,其也连接至X上。
5.根据权利要求1或4的通式 1化合物,其中R1表示R2表示选自下述基团
Figure A0180861000046
6.根据权利要求1的通式 1化合物,其中R1表示以下基团
Figure A0180861000051
其中
R3表示苄基,必要时可被甲氧基取代;
R4表示氢;R2表示以下基团
其中
X表示氮或碳,
R6如X为氮则表示甲氧苯基,或者如X为碳则表示一稠合苯基环,其亦连接于X上。
7.根据权利要求1的通式 1化合物,特征为,在R1基中的羟基是位于氨基的邻位或间位。
8. 1-[3-(4-甲氧苄基-氨基)-4-羟苯基]-2-[4-(1-苯并咪唑基)-2-甲基-2-丁氨基]乙醇。
9. 1-[2H-5-羟基-3-氧-4H-1,4-苯并噁嗪-8-基]-2-[3-(4,-N,N-二甲氨苯基)-2-甲基-2-丙氨基]乙醇。
10. 1-[2H-5-羟基-3-氧-4H-1,4-苯并噁嗪-8-基]-2-[3-(4-正-丁氧苯基)-2-甲基-2-丙氨基]乙醇。
11.根据权利要求1~10的式 1化合物,其呈个别光学异构体,个别对映异构体的混合物或外消旋异构体形式,以及呈游离碱或其与药理可接受酸的相应酸的加成盐的形式。
12.根据权利要求1~11的通式 1的化合物的用途,其可用作药物。
13.根据权利要求1~11的通式 1的化合物的用途,其可用于制备处置疾病的药物组合物,其中倍他米美类药物具有治疗应用性。
14.根据权利要求1~11的通式 1的化合物的用途,其可用于制备药物组合物以治疗支气管性哮喘(支气管肌的松弛),COPD的发炎成份,抑制产科中过早发生的宫缩(宫缩抑制),在心房心室阻隔时恢复心脏的窦性心律,以及矫正心动徐缓心律紊乱(心律不齐药剂),循环性休克(血管扩张并提高心-时体积)以及搔痒刺激和皮肤发炎。
15.一种药物制剂,其包含一种或多种权利要求1的通式 1化合物作为活性物质,且必要时可以组合常用助剂和/或载体。
16.根据权利要求15的药物制剂,特征为,除了一种或多种式 1化合物外,其也可包含至少一种选自抗胆碱能物、倍他米美类剂、抗过敏剂、PAF拮抗剂、白三烯拮抗剂和类甾醇类的其它活性物质。
17.根据权利要求16的药物制剂,特征为,除了一种或多种式 1化合物外,其也可包含替沃托品(tiotropium)溴化物作为活性物质。
CN01808610A 2000-04-27 2001-04-14 新的长效倍他米美类药物(betamimetics)其制备方法,及其作为药物组合物的用途 Pending CN1426401A (zh)

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AU5629301A (en) 2001-11-12
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AR035637A1 (es) 2004-06-23
SK15382002A3 (sk) 2003-03-04
NO20025133L (no) 2002-10-25
US20050137242A1 (en) 2005-06-23
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CA2405745A1 (en) 2001-11-08
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EA200201056A1 (ru) 2003-04-24
EP1305300A1 (de) 2003-05-02
NO20025133D0 (no) 2002-10-25
WO2001083462A1 (de) 2001-11-08
KR20020093083A (ko) 2002-12-12
HUP0300832A2 (hu) 2003-08-28
HRP20020845A2 (en) 2003-10-31
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