CN1083830C - 经取代的苄脒,其制备及作为药物化合物的用途 - Google Patents
经取代的苄脒,其制备及作为药物化合物的用途 Download PDFInfo
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Abstract
结构式(I)的新化合物(其中,A及R1至R4的含义见说明书)可按一般方法制备,其在医药上用作例如LTB4-拮抗剂。
Description
本发明是有关新颖取代的苄脒,可按一般方法制备及其作为具有LTB4受体拮抗活性的药剂的用途。
(m等于2至6)或X1代表O、NH或NCH3;X2代表O、NH、NCH3或X3代表-X-CnH2n-;X4代表-CnH2n-X-(n=1或2,X=O、NH或NCH3);R1代表OH、CN、COR12、COOR12及CHO;R2代表Br、Cl、F、CF3、OH、C1-C6-烷基、C5-C7-环烷基、芳基、O-芳基、CH2-芳基、CR5R6-芳基、C(CH3)2-R7;
此外,若A是式III基或X2是式IV的基时,则R2代表H;
此外,若A是式II基,X1具有上述意义且X2是NH、NCH3或式IV基时,或A是式III基,X3具有上述含义,且X4中X是NH或NCH3时,则R2代表C1-C6-烷氧基;
R3代表H、C1-C6-烷基、OH、Cl、F,此外若R2是芳基、O-芳基、CH2-芳基、CR5R6-芳基或C(CH3)2-R7时,或X2是式IV基时,则R3代表C1-C6-烷氧基;
R2及R3亦可共同代表一稠合的芳香或杂芳香环;
R4代表H或C1-C6-烷基;
R5代表C1-C4-烷基、CF3、CH2OH、COOH或COO(C1-C4-烷基);
R6代表H、C1-C4-烷基或CF3;
R5及R6也可共同构成一C4-C6-亚烷基;
R7代表CH2OH、COOH、COO(C1-C4-烷基)、CONR10R11或CH2NR10R11;
R8、R9代表H、Br、Cl、F、OH、C1-C6-烷基或C1-C6-烷氧基;
R10代表H、C1-C6-烷基、苯基、苯基-(C1-C6-烷基)、COR12、COOR12、CHO、CONH2、CONHR12、SO2-(C1-C6-烷基)、SO2-苯基,其中苯基可被Cl、F、CF3、C1-C4-烷基、OH、C1-C4-烷氧基一取代或多取代。
R11代表H或C1-C6-烷基;
R10及R11也可共同代表一C1-C6-亚烷基。
R12代表C1-C6-烷基、C5-C7-环烷基、芳基、杂芳基、芳烷基或杂芳基-(C1-C6-烷基),其中芳基或杂芳基可被Cl、F、CF3、C1-C4-烷基、OH或C1-C4-烷氧基一取代或多取代。
新化合物可以是游离碱或是与酸,尤其是与生理上可接受的酸所形成的加成盐;若它们含有一个或多个手性中心,则可呈外消旋体,以纯对映体或浓缩状态存在,或呈非对映体对。亦包括一些互变异构体(具有-C(NH)-NHR1)。
优选的结构式I的化合物是如下定义的化合物,其中
A、m、n、X3、X4及R1具有上述含义;
X1代表0;
X2代表0或式IV基(其中X1等于0);
R2代表Cl、F、CF3、OH、C1-C6-烷基、芳基、O-芳基、CH2-芳基或CR5R6-芳基,而且若X2是式IV基时,则R2也可代表C1-C6-烷氧基;
R3代表H、C1-C6-烷基或OH、且若R2是CR5R6-芳基时,则R3也代表C1-C6-烷氧基;
R4代表H;
R5代表C1-C3-烷基、CF3、CH2OH。
R6代表H、C1-C3-烷基或CF3;
R5及R6可共同代表C4-C5-亚烷基。
R8、R9代表H、F或OH。
特别优选的化合物是具有下述定义的化合物
X1代表0;
X2代表式IV基(其中X1等于0);
X代表0;
R1代表COOR12;
R2代表C1-C6-烷基、芳基、O-芳基、CH2-芳基或CR5R6-芳基;
R3代表H、OH或C1-C6-烷基、且若R2是CR5R6-芳基时,R3也代表C1-C6-烷氧基;
R4代表H;
R5、R6代表C1-C3-烷基或CF3。
R8、R9代表H;
R12代表C1-C6-烷基、芳烷基或C7-C5-环烷基;
按上述定义的符号可以有相同或不同的含义时,应包括两种可能性。具有足够C原子数的脂肪链可以是直链或支链。
“芳基”代表可任选(一或多)取代的芳基,如萘基,最好是可任选(一或多)取代的苯基。优选的取代基是Cl、F、Br、OH、C1-C6-烷基、C1-C6-烷氧基、CF3,此外,也可以是通常只可能单独存在的基,如NH2、NH(C1-C6-烷基)、N(C1-C6-烷基)2、NH(SO2-(C1-C6-烷基))、NH(SO2-苯基),其中苯基也可特别被F、Cl、CF3、C1-C4-烷基、C1-C4-烷氧基或OH取代。
术语“芳烷基”是一个可被芳基(如上述定义)取代的C1-C6-烷基。
术语“杂芳基”在本文优选是指吡啶基、嘧啶基、哒嗪基及吡嗪基、噻吩基及呋喃基、它们还可特别被Cl、F、Br、OH、C1-C6-烷基、C1-C6-烷氧基、CF3一取代或多取代。环烷基可被C1-C6-烷基取代,如基。
若R2及R3共同代表一稠环,则是指形成上述芳基及杂芳基的基础的环。
烷基及烷氧基的C原子数最好在1至4之间。在芳香或杂芳香基团中的优选取代基是具有最多3个,优选最多2个C原子的烷基和烷氧基。脒基C(NH2)NR1最好在A基的对位。
所述新化合物可按例如下述的已知方法制备:
与通式(VI)的化合物反应,
L-R′1 (VI)
式(V)中A、R2、R3及R4具有上述定义,除OH以外,R′1与R1具有相同含义,L为一亲核可交换的基团,如卤素原子(如Cl、Br)或酸基。
反应适当地在溶剂,如四氢呋喃、二氯甲烷、氯仿或二甲基甲酰胺中进行,并优选地在有碱,如碳酸钠,碳酸钾或氢氧化钠溶液存在或在有叔有机碱,如三乙胺、N-乙基-二异丙胺、N-甲基-吗啉或吡啶存在下,在反应温度是-30至100℃,最好是-10至80℃温度下进行,所述叔胺类同时也可作为溶剂。
2.使结构式(VII)的化合物(其中R2、R3、R4及X1具有上述含义)与一结构式(VIII)或(IX)的苄脒衍生物反应或(其中L、m、n、X、X2、X4、R1、R8及R9具有上述含义)。
方法2及3优选在质子惰性溶剂,如二甲基亚砜、二甲基甲酰胺、乙腈或醇(如甲醇、乙醇、异丙醇)中,并加入碱性物质(如金属碳酸盐、金属氢氧物、金属氢化物),在温度约0-140℃,或在反应混合物的沸腾温度下进行。
4.为了制备结构式I的其中R1代表OH的化合物,
方法4是在醇(甲醇、乙醇、丙醇)或质子惰性溶剂,如二甲亚砜、二甲基甲酰胺或乙腈中,或任选与水的混合物中,在加热条件下进行,羟胺可以盐酸盐或甲磺酸盐形式使用,并加入适当碱,如碳酸钠。
原料可用一般方法合成。
已经发现,结构式I的化合物的特征是在治疗领域中有广泛的用途。特别值得一提的这些化合物可能的应用是具有LTB4受体拮抗活性的作用。应用的例子尤其包括:关节炎、气喘、慢性阻塞性肺病如慢性支气管炎、牛皮癣、溃疡性结肠炎、由非类固醇消炎药引起的胃病或肠病,早老性疾呆病、休克,再灌流伤害/局部缺血、动脉粥样硬化、多发性硬化。
新化合物也可用于治疗其中细胞从血液穿过血管内皮进入组织(如转移)具有重要性的疾病或症状,或者其中LTB4或另一分子(如12-HETE)与LTB4受体的组合而对细胞增生有影响的疾病或症状(如慢性骨髓细胞白血病)。
这种新化合物也可和其他活性物质,如与用于相同适应症的活性物质组合使用,或例如与抗过敏药、祛痰药、β2-拟肾上腺素药、吸入给药的类固醇、抗组胺药和/或PAF-拮抗药组合使用。给药方法式可为局部、口服、经皮、经鼻、胃肠外的或吸入方法。
这种新化合物具有良好的耐受性和适当的生物利用度。
治疗或预防剂量不仅取决于具体化合物的效能、病人体重、而且也决定于疾病种类及严重性。口服剂量在10至500mg之间,最好是20至250mg之间。对病人的吸入剂量在0.5至25mg之间,最好是2至20mg活性物质。吸入溶液通常含约0.5至5%活性物质。新化合物可按一般剂型给药,如未包衣片剂、包衣片剂、胶囊、锭剂、粉剂、粒剂、溶液、乳剂、糖浆、吸入气溶胶、软膏、栓剂。
活性的药理及生物化学研究可使用描述于例如WO 93/16036第15至17页中的试验方法进行。
制剂的实施例
1.片剂
成分:
本发明的活性物质 20重量份
硬脂酸 6重量份
葡萄糖 474重量份
各成分以一般方法配制成500mg重的片剂。需要时活性物质的含量可提高或减少,并同时相对减少或提高葡萄糖的含量。
2.栓剂
成分:
本发明活性物质 100重量份
粉末状乳糖 45重量份
可可脂 1555重量份
将上述成分按一般方法加工成1.7克重量的栓剂。
3.吸入粉末
将5mg微细活性物质粉末(结构式I的化合物;颗粒大小约为0.5至7μm)填入硬明胶胶囊,任选加入微细颗粒乳糖。利用一般吸入器,如DE-A33 45 722所提出的,吸入粉末。
下述实施例说明新化合物的制备:
实施例1
使3.8g上述结构式(R等于NH)的脒化合物(可利用一般方法制得,如按WO 93/16036所述方法)悬浮于200ml氯仿中。加入1.6ml三乙胺,并在室温下滴加0.8ml氯甲酸甲酯。各成分溶解后混合物搅拌3小时,然后用水萃取3次,蒸发,残留物与乙醚一起搅拌并吸滤。上述结构式(R等于NCOOCH3)化合物的产量:3.7g,熔点170-6℃。
实施例2
(苄氧羰基-亚氨基-{4′[2-(2-丙基苯氧基)-乙氧基]-联苯-4-基}-甲基)-胺
将2.6g上述结构式(R=NH)的脒化合物加入200ml氯仿中。再加入1.3ml三乙胺,并在室温下滴加1ml氯甲酸苄酯。各成分溶解后混合物搅拌3小时,然后用水萃取3次,蒸发,残留物与乙醚一起搅拌并吸滤。得到的物质由乙醇中重结晶。上述结构式(R等于NCOOCH2Ph)化合物的产量:2.2g,熔点128-131℃。
用相似方法制得的有其他R基团的化合物:
R=NCOOC2H5;熔点120-123℃R=NCOO-n-C3H7;熔点113-114℃R=NCOO-i-C3H7;熔点110-117℃R=NCOO-n-C4H9;熔点135-138℃R=NCOO-i-C4H9;熔点103℃R=NCOO-t-C4H9;熔点129-132℃R=NCOO-n-C6H13;熔点117-121℃
实施例3
将3.5g上述结构式(R=NH)的脒化合物加入150ml氯仿中。再加入2ml三乙胺,并在室温下滴加1ml碳酸二-叔-丁基酯。各成分溶解后混合物搅拌3小时,然后用水萃取3次,蒸发,残留物与乙醚一起搅拌并吸滤。得到的物质由20m1乙醇中重结晶。其中R=N-COO-叔-丁基的上述结构式化合物的产量:3g,熔点129-132℃。
实施例4
(a)[羟基-亚氨基-(4-{3-[4-(1-甲基-1-苯基乙基)-苯氧基甲基]-苄氧基}苯基)-甲基]-胺
将5.25g上述结构式(R=CN,以一般方法制备)的腈加到60ml乙醇中,并加热至沸腾。以30分钟的时间滴加由2.7g碳酸钠及3.4g盐酸羟胺溶于10ml水中所构成的溶液。接着混合物回流加热5小时。冷却后浓缩混合物,将残留物溶解于50ml水中,并以40ml乙酸乙酯萃取3次。用MgSO4干燥有机相,并过滤、用蒸发浓缩。将结晶溶解于20ml丙酮,并以醚化的盐酸酸化。溶解后得到5.3gR=C(NOH)-NH2的上述结构式的偕胺肟盐酸盐。熔点180-181℃。
(b)[亚氨基-(4-{3-[4-(1-甲基-1-苯基乙基)-苯氧基甲基]-苄氧基}苯基)-甲基]-胺
将5.1g上述结构式(R=NOH)的偕胺肟溶于120ml甲醇中,并以10g用甲醇湿润的阮内镍存在下在常压及室温下氢化2小时。镍被吸滤除去后,以硅藻土过滤溶液。用乙醇盐酸酸化滤液,浓缩溶液,并由乙醇重结晶。产量达3.3g脒化合物(上述结构式中R=NH)。熔点160℃。
(c)[乙氧羰基-亚氨基-(4-{3-[4-(1-甲基-1-苯基乙基)-苯氧甲基]-苄氧基}苯基)-甲基]-胺
将2.44g按(b)所得的上述结构式(R等于NH)的脒化合物加入150ml二氯甲烷中,并加入0.6g氯甲酸乙酯,然后以15分钟的时间在室温下滴加52.5ml 0.2N氢氧化钠溶液。在室温下搅拌所生成的溶液2小时,然后分离出有机相,以100ml的水萃取,并在硫酸钠上干燥。浓缩溶液,残留物由10ml乙醇中重结晶。得到2.1g标题化合物(R=NCOOC2H5),熔点99℃。
同样地可得到实施例4(b)所述结构式的下述化合物:
R=NCOO-(-)-基;熔点113℃。
R=NCO-C6H5;熔点101-103℃。
实施例5
[3-吡啶羰基-亚氨基-(4-{3-[4-(1-甲基-1-苯基乙基)-苯氧基甲基]-苄氧基}苯基)-甲基]-胺
将5.0g上述结构式(R=NH,参见实施例4(b))的脒化合物加入250ml二氯甲烷中。在10分钟内室温下滴加由3.9g菸酰氯盐酸盐(Nicotinic acidchlorid-hydrochlorid)和16.3ml三乙胺溶于50ml二氯甲烷所形成的溶液。在室温下15小时后以每次300ml水萃取两次。在硫酸钠上干燥有机相,过滤并浓缩滤液。残留物在硅胶60上以乙酸乙酯作洗脱液,用低压色层分离法纯化,使产物溶于50ml丙酮,以乙醇盐酸酸化,并用乙醚使其以氯氢化物形式沉淀。产物为2.0gR=N-CO-3-吡啶基的上述结构式的烟酰基衍生物,熔点为172℃。
Claims (16)
X3代表-X-CnH2n-;
X4代表-CnH2n-X-,其中n=1或2,X=O;
R1代表OH、CN、COR12、COOR12及CHO;
R2代表Br、Cl、F、CF3、OH、C1-C6-烷基、C5-C7-环烷基、芳基、O-芳基、CH2-芳基、CR5R6-芳基、C(CH3)2-R7;
此外,若A是式III的基团或X2是式IV的基团时,则R2代表H;
此外,若A是式II的基团,X1及m具有上述含义且X2是式IV基团,或若A是式III基团,X3具有上述含义时,则R2代表C1-C6-烷氧基;
R3代表H、C1-C6-烷基、OH、Cl、F,此外若R2是芳基、O-芳基、CH2-芳基、CR5R6-芳基或C(CH3)2-R7时,或X2是式IV的基因时,则R3代表C1-C6-烷氧基;
R2及R3也可共同代表一稠合的芳香或杂芳香环;
R4代表H或C1-C6-烷基;
R5代表C1-C4-烷基、CF3、CH2OH、COOH或COO(C1-C4-烷基);
R6代表H、C1-C4-烷基或CF3;R5及R6也可共同构成C4-C6-亚烷基;
R7代表CH2OH、COOH、COO(C1-C4-烷基)、CONR10R11或CH2NR10R11;
R8和R9各自独立地代表H、Br、Cl、F、OH、C1-C6-烷基或C1-C6-烷氧基;
R10代表H、C1-C6-烷基、苯基、苯基-(C1-C6-烷基)、COR12、COOR12、CHO、CONH2、CONHR12、SO2-(C1-C6-烷基)、SO2-苯基,其中苯基可被Cl、F、CF3、C1-C4-烷基、OH和C1-C4-烷氧基单取代或多取代;
R11代表H或C1-C6-烷基,R10及R11也可共同代表C4-C6-亚烷基;
R12代表C1-C6-烷基、C5-C7-环烷基、芳基、杂芳基、芳烷基或杂芳基-(C1-C6-烷基),其中芳基或杂芳基可被Cl、F、CF3、C1-C4-烷基、OH或C1-C4-烷氧基单取代或多取代;
具有以下规则,当
A代表-X1-CmH2m-X2,其中m是2,3或4的整数,
X1代表O;
R4代表H、C1-C6烷基
R1不应代表-OH。
2、根据权利要求1的化合物,其中芳基代表苯基或单取代或多取代的苯基,杂芳基代表吡啶基、哒嗪基、嘧啶基、吡嗪基、噻吩基及呋喃基。
3、根据权利要求1或2的化合物,其中
A、m、n、X3、X4及R1具有上述含义;
X1代表O;
X2代表O或式IV基团;
R2代表Cl、F、CF3、OH、C1-C6-烷基、芳基、O-芳基、CH2-芳基或CR5R6-芳基,而若X2是式IV基团时,R2代表C1-C6-烷氧基;
R3代表H、C1-C6-烷基或OH,且若R2是CR5R6-芳基时,R3代表C1-C6-烷氧基;
R4代表H;
R5代表C1-C3-烷基、CF3或CH2OH;
R6代表H、C1-C3-烷基或CF3;R5及R6共同代表C4-C5-亚烷基;
R8、R9代表H、F或OH。
4、根据权利要求1或2的化合物,其中
X1代表O;
X2代表式IV基团;
X代表O;
R1代表COOR12;
R2代表C1-C6-烷基、芳基、O-芳基、CH2-芳基或CR5R6-芳基;
R3代表H、OH或C1-C6-烷基,且若R2是CR5R6-芳基时,则R3也代表C1-C6-烷氧基;
R4代表H;
R5、R6代表C1-C3-烷基或CF3;
R8、R9代表H;
R12代表C1-C6-烷基、芳烷基或C7-C5-环烷基。
5、权利要求1的化合物,其为(甲氧羰基-亚氨基-{4′-[2-(2-丙基苯氧基)-乙氧基]-联苯基-4-基}-甲基)-胺及其酸加成盐。
6、权利要求1的化合物,其为(苄氧羰基-亚氨基-{4′-[2-(2-丙基苯氧基)-乙氧基]-联苯基-4-基}-甲基)-胺及其酸加成盐。
7、权利要求1的化合物,其为(羟基-亚氨基-(4-{3-[4-(1-甲基-1-苯基乙基)-苯氧基甲基]-苄氧基}苯基)-甲基]-胺及其酸加成盐。
8、权利要求1的化合物,其为(乙氧羰基-亚氨基-(4-{3-[4-(1-甲基-1-苯基乙基)-苯氧基甲基]-苄氧基}苯基)-甲基]-胺及其酸加成盐。
9、权利要求1的化合物,其为(3′-吡啶羰基-亚氨基-(4-{3-[4-(1-甲基-1-苯基乙基)-苯氧基甲基]-苄氧基}苯基)-甲基]-胺及其酸加成盐。
10、权利要求1的化合物,其为(乙氧羰基-亚氨基-(4-{3-[4-(1-甲基-1-(4-羟基苯基)乙基)-苯氧基甲基]-苄氧基}苯基)-甲基]-胺及其酸加成盐。
11、一种药物组合物,包含权利要求1至10中任一项的化合物和一般助剂和/或载体物质。
X3代表-X-CnH2n-;
X4代表-CnH2n-X-,其中n=1或2,X=O;
R1代表OH、CN、COR12、COOR12及CHO;
R2代表Br、Cl、F、CF3、OH、C1-C6-烷基、C5-C7-环烷基、芳基、O-芳基、CH2-芳基、CR5R6-芳基、C(CH3)2-R7;
此外,若A是式III的基团或X2是式IV的基团时,则R2代表H;
此外,若A是式II的基团,X1及m具有上述含义且X2是式IV基团,或若A是式III基团,X3具有上述含义时,则R2代表C1-C6-烷氧基;
R3代表H、C1-C6-烷基、OH、Cl、F,此外若R2是芳基、O-芳基、CH2-芳基、CR5R6-芳基或C(CH3)2-R7时,或X2是式IV的基团时,则R3代表C1-C6-烷氧基;
R2及R3也可共同代表一稠合的芳香或杂芳香环;
R4代表H或C1-C6-烷基;
R5代表C1-C4-烷基、CF3、CH2OH、COOH或COO(C1-C4-烷基);
R6代表H、C1-C4-烷基或CF3;R5及R6也可共同构成C4-C6-亚烷基;
R7代表CH2OH、COOH、COO(C1-C4-烷基)、CONR10R11或CH2NR10R11;
R8和R9各自独立地代表H、Br、Cl、F、OH、C1-C6-烷基或C1-C6-烷氧基;
R10代表H、C1-C6-烷基、苯基、苯基-(C1-C6-烷基)、COR12、COOR12、CHO、CONH2、CONHR12、SO2-(C1-C6-烷基)、SO2-苯基,其中苯基可被Cl、F、CF3、C1-C4-烷基、OH和C1-C4-烷氧基单取代或多取代;
R11代表H或C1-C6-烷基,R10及R11也可共同代表C4-C6-亚烷基;
R12代表C1-C6-烷基、C5-C7-环烷基、芳基、杂芳基、芳烷基或杂芳基-(C1-C6-烷基),其中芳基或杂芳基可被Cl、F、CF3、C1-C4-烷基、OH或C1-C4-烷氧基单取代或多取代。
13、根据权利要求12的用途,其中所述疾病为发炎和/或过敏性疾病。
14、根据权利要求13的用途,其中所述疾病为关节炎、气喘、慢性阻塞性肺病、牛皮癣、溃疡性结肠炎、早老性疾呆病、休克、动脉硬化、多发性硬化、因非类固醇消炎药引起的胃病、转移性疾病及慢性骨髓细胞白血病。
15、根据权利要求1至10中任一项化合物的制备方法,其特征是:
与式(VI)的化合物反应,
L-R′1 (VI)
(V)式中A、R2、R3及R4具有上述含义,除OH外,R′1与R1相同及L为一亲核脱离基,如卤素原子或丙烯酰氧基;
或
或
d)制备其中R1代表OH的结构式I的化合物,使下列结构式的腈其中A、R2、R3及R4具有上述含义,与羟胺进行反应;由所得到的产物,视其性质而定,可制得光学对映体或非对映体对映对,或由得到的碱而制得酸加成盐,由首先得到的酸加成盐而获得游离碱。
16.根据权利要求15的方法,其中卤素为氯或溴。
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DE4424713A DE4424713A1 (de) | 1994-07-13 | 1994-07-13 | Substituierte Benzamidine, ihre Herstellung und Verwendung als Arnzneistoffe |
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US6486181B1 (en) | 1992-08-28 | 2002-11-26 | City Of Hope | Human leukocutye 12-lipoxygenase and its role in the pathogenesis of disease states |
US6191169B1 (en) | 1992-08-28 | 2001-02-20 | City Of Hope | Human leukocyte 12-lipoxygenase and its role in the pathogenesis of disease states |
DK0813525T3 (da) * | 1995-03-10 | 2004-02-16 | Berlex Lab | Benzamidinderivater, deres fremstilling og anvendelse som antikoagulanter |
EP0743064A1 (en) * | 1995-05-17 | 1996-11-20 | Eli Lilly And Company | Leukotriene antagonists for use in the treatment or prevention of alzheimer's disease |
DE19636689A1 (de) | 1996-09-10 | 1998-03-12 | Boehringer Ingelheim Kg | Neue Benzamidinderivate |
DE19718334A1 (de) * | 1997-04-30 | 1998-11-05 | Boehringer Ingelheim Pharma | Neue Benzylaminderivate und Phenylethylaminderivate, Verfahren zu ihrer Herstellung und ihre Verwendung als Arzneimittel |
TW513402B (en) * | 1997-05-30 | 2002-12-11 | Daiichi Seiyaku Co | Process for preparing 3-(7-amidino-2-naphthyl)-2-phenylpropionic acid derivatives |
EP1023064A1 (en) * | 1997-10-15 | 2000-08-02 | City Of Hope | 12(s)-hete receptor blockers |
ID24720A (id) | 1997-12-12 | 2000-08-03 | Novartis Ag | Senyawa amidino tersubstitusi dalam perawatan penyakit gangguan paru-paru kronis |
DE19834713A1 (de) * | 1998-07-31 | 2000-02-03 | Boehringer Ingelheim Pharma | Neue Phenylethylaminderivate, Verfahren zu ihrer Herstellung und ihre Verwendung als Arzneimittel |
US6291531B1 (en) * | 1999-10-07 | 2001-09-18 | Boehringer Ingelheim Pharma Kg | LTB4 antagonist, processes for the preparation thereof and its use as a pharmaceutical composition |
DE10000907A1 (de) * | 2000-01-12 | 2001-07-19 | Boehringer Ingelheim Pharma | Verfahren zur Herstellung von Aryl-iminomethyl-carbaminsäureestern |
US6417382B2 (en) | 2000-01-12 | 2002-07-09 | Boehringer Ingelheim Pharma Kg | Process for preparing aryl-iminomethyl-carbamino acid esters |
US6528491B2 (en) * | 2000-10-24 | 2003-03-04 | Boehringer Ingelheim Pharma Kg | Pyranoside derivatives |
MXPA03006328A (es) * | 2001-01-16 | 2004-04-05 | Boehringer Ingelheim Pharma | Uso de antagonista de ltb4 para tratamiento y/o prevencion de enfermedades causadas por aumento de expresion de genes de mucina. |
US20030119901A1 (en) * | 2001-07-14 | 2003-06-26 | Boehringer Ingelheim Pharma Kg | Pharmaceutical formulation containing an LTB4 antagonist |
CN1298316C (zh) * | 2001-07-14 | 2007-02-07 | 贝林格尔英格海姆法玛两合公司 | 含有ltb4拮抗剂的药物制剂 |
EP1420773A1 (en) * | 2001-08-31 | 2004-05-26 | Neurochem (International) Limited | Amidine derivatives for treating amyloidosis |
RS20050390A (en) * | 2002-11-26 | 2008-04-04 | Boehringer Ingelheim Pharma Gmbh. & Co.Kg., | Pharmaceutical composition comprising a ltb4 antagonist and a cox-2 inhibitor or a combined cox 1/2 inhibitor |
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US7262223B2 (en) * | 2004-01-23 | 2007-08-28 | Neurochem (International) Limited | Amidine derivatives for treating amyloidosis |
CN103012200B (zh) * | 2011-09-20 | 2014-12-17 | 北京大学 | 具有β-分泌酶抑制功能的化合物及其制备方法与应用 |
CN110869362A (zh) | 2017-05-12 | 2020-03-06 | 国立研究开发法人理化学研究所 | A类gpcr结合性化合物改性体 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0518818A2 (en) * | 1991-06-11 | 1992-12-16 | Ciba-Geigy Ag | Arylethers, their manufacture and use as medicament |
EP0518819A2 (en) * | 1991-06-11 | 1992-12-16 | Ciba-Geigy Ag | Amidino compounds, their manufacture and use as medicament |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5451700A (en) * | 1991-06-11 | 1995-09-19 | Ciba-Geigy Corporation | Amidino compounds, their manufacture and methods of treatment |
CZ287209B6 (en) * | 1992-02-05 | 2000-10-11 | Boehringer Ingelheim Kg | Amidine derivatives, process of their preparation and pharmaceutical preparations containing thereof |
US5455274A (en) * | 1992-12-09 | 1995-10-03 | Ciba-Geigy Corporation | Hydroxyamidine derivatives |
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1994
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0518818A2 (en) * | 1991-06-11 | 1992-12-16 | Ciba-Geigy Ag | Arylethers, their manufacture and use as medicament |
EP0518819A2 (en) * | 1991-06-11 | 1992-12-16 | Ciba-Geigy Ag | Amidino compounds, their manufacture and use as medicament |
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