CN1053103C - 24-同-维生素-d-衍生物在制药中的应用 - Google Patents
24-同-维生素-d-衍生物在制药中的应用 Download PDFInfo
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- CN1053103C CN1053103C CN94115050A CN94115050A CN1053103C CN 1053103 C CN1053103 C CN 1053103C CN 94115050 A CN94115050 A CN 94115050A CN 94115050 A CN94115050 A CN 94115050A CN 1053103 C CN1053103 C CN 1053103C
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- tetraene
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Abstract
本文描述了式I的新24-同一维生素-D-衍生物,
式中:
R1为一个氢原子、一个羟基或一个有1至8个碳原子的酰氧基,
R2和R3各自独立地为一个有1至4个碳原子的直链或有支链的烷基,一个三氟甲基或者共同为一个与碳原子25相连的有3至9个碳原子的饱和碳环,
R4和R5各自独立地为一个氢原子或有1至8个碳原子的酰基,
A和B各为一个氢原子或共同为一个第二键,
n为1、2、3、4或5,
以及它的一种制备方法,含有该化合物的药物制剂以及它用于制备药品的应用。
该新化合物具有抑制增殖和分异细胞的作用。
Description
R1为一个氢原子、一个羟基或有1至8个碳原子的酰氧基,
R2和R3各自独立地为一个有1至4个碳原子的直链或有支链的
烷基、一个三氟甲基或者共同为一个与碳原子25相连的有3
至9个碳原子的饱和碳环,
R4和R5各自独立地为一个氢原子或有1至8个碳原子的酰基,
A和B各为一个氢原子或者共同为一个第二键,
n为1、2、3、4或5,
本发明还涉及上述衍生物的制备方法、含有这些化合物的药物制剂以及其对于制造药品的应用。
可能作为取代基R1、R4和R5的酰氧基及酰基特别是由饱和的羧酸或也由苯酸衍生的。
如果R2和R3与碳原子25共同为一个饱和的碳环,则特别优先考虑环丙环、环戊环或环己环。
本发明优选的通式I的24-同-维生素-D-衍生物是,
R1为一个羟基,
R2和R3为一个甲基,
R4和R5为一个氢原子,和
n为1、2或3。
在碳原子22和23之间最好有一个双键。
特别优选的化合物是
(5Z,7E,22E)-(1S,3R,24R)-9,10-闭联-24a-同-5,7,10(19),22-胆甾四烯-1,3,24-三醇,和
(5Z,7E,22E)-(1S,3R,24S)-9,10-闭联-24a-同-5,7,10(19),22-胆甾四烯-1,3,24-三醇。
天然维生素D2和D3及其生物活性代谢物(天然维生素D2和D3本身是非生物活性,在肝的25位或肾的1位上羟基化后才是活性的)在C10和C19的位置之间有一个双键作为区别的结构特征,该双键对维生素D活性起决定性作用(见通式V)。维生素D2和D3的作用在于使等离子体Ca++和等离子体磷酸盐反射体稳定化,它们抑制等离子体Ca++反射体的沉积。
麦角钙化醇:Ra=Rb=H,Rc=CH3, 维生素D2
双键C-22/23
胆钙化醇:Ra=Rb=Rc=H 维生素D3
25-羟胆钙化醇:Ra=Rc=H,Rb=OH
1a-羟胆钙化醇:Ra=OH,Rb=Rc=H
1a,25-二羟基胆钙化醇:Ra=Rb=OH,Rc=H
钙三醇
除了对钙和磷酸盐物质交换的明显作用外,维生素D2和D3及其合成的衍生物还具有抑制增殖和区分细胞的作用(H、F、Deluca,维生素D在甾类激素生物化学中的代谢作用和功能,Hrsg、H.L.Makin,第二版,Blackwell科学出版社,1984,71-116页)。但在应用维生素D时可能出现过剂量现象(血钙过多)。
DE-AS2526981已经公开过在24位羟基化的1a-胆钙化醇;它的毒性低于未羟基化的相应1α-胆钙化醇。羟基化的化合物显示了肠钙吸收的选择性活化作用和比1α-胆钙化醇弱的骨吸收作用。
国际专利申请WO 87/00834中描述的24-羟基维生素-D-类似物可以用于治疗人和动物由于不正常的细胞增殖和/或细胞分化所引起的障碍。
对于各种1,25-二羟基-同-维生素-D-衍生物,Deluca不久前曾提及与骨吸收作用和HL-60细胞区分性质有关的离解。其中,体外的骨吸收作用是体内钙活动化作用的直接量度。
现已发现,与维生素-D-衍生物钙三醇(1a,25-二羟基胆钙化醇)相比,本发明通式I的24-同-维生素-D-衍生物具有好的惊人的作用图谱。当对于钙和磷酸盐物质交换的影响明显减弱时(通过过剂量或要求高剂量减少付作用),抑制增殖和区分细胞的作用大体保持不变(离解)。
本发明化合物的维生素-D-活性借助于钙三醇受体试验确定。用一种由患佝偻病的鸡肠中得到的特定受体蛋白质进行该试验。在一个试管中,用反应体积为0.575ml的3H-钙三醇(0.5ng/ml)将含有受体的粘合蛋白质培育1小时,分有和没有待试物质两种情况。用木炭-葡聚糖吸收分离没有和粘有受体的钙三醇。为此,向每个试管加入200μl木炭-葡聚糖悬浮液,并在22℃培育30分钟。接着,在4℃和1500×g条件下离心分离10分钟。沉淀分离剩余物,平衡1小时后,在一个β计数器中用原子光测量。用不同浓度的待试物质以及参比物(未作标记的钙三醇)得到一些排斥3H-标记的参比物的竞争曲线,将其相互关联,找出一个竞争因子(KF)。它被定义为50%竞争所需的待试物质浓度与参比物浓度的商:
因此,(5Z,7E,22E)-(1S,3R,24R)-9,10-闭联-24a-同-5,7,10(19),22-胆甾四烯-1,3,24-三醇(化合物A)的KF值为67,(5Z,7E,22E)-(1S,3R,24S)-9,10-闭联-24a-同-5,7,10(19),22-胆甾四烯-1,3,24-三醇(化合物B)的KF值为0.8。
为了确定本发明化合物的抗增殖能力,代之以化合物A和B作为待试物质,进行了下述试验:
用Yuspa,S和Harris,C.C,的改进方法,“用乙酸视黄酯体外处理老鼠表皮细胞的变更分异”,Exp.Cell Res.86:95-105,1974制备和培养新生老鼠的角化细胞。
通过断头杀死两种性别的新生NMRI老鼠,剥去皮肤,在一种抗菌素-抗霉菌剂溶液中洗净,用这一侧朝下在Dispase II溶液中(1.2U/ml在组织培养介质M19.9中+25mmol/LHEPS+15%胎儿小牛血清(FCS)+50U/ml青霉素/链霉素(P/S)(制备介质,PM))于4℃下培养一夜。取出表皮,通过受胰蛋白酶作用制备单细胞悬浮液。离心分离后,使细胞沉积物重新悬浮,变为锥虫蓝色后确定活的小圆细胞数目,在Primaria 24孔板中和组织培养介质(M199+15%FCS+50U/ml P/S )中以4×105细胞/cm2的密度播种细胞。在37℃培养24小时后,用以磷酸盐缓冲的盐溶液(PBS)洗细胞,再在32.5℃及有和没有待试物质的无血清组织培养介质(M199,50U/ml P/S+0.5%乙醇)中继续培养24小时。然后,加入0.4μCi/50μl3H-甲基胸苷(40Ci/mmol)。4小时后抽出介质,加入500μl冰冷的10%三氯醋酸(TCA)结束反应。用TCA和PBS洗细胞,并通过在一种朊酶K-溶液(10mmol/l三-HCl,10mmol/lEDTA,10mmol/l NaCl,0.2% Triton-X100,PH8.0,50μg/ml朊激酶K)中培养使之溶解,并通过离心分离提纯溶胞产物。在剩余物中用闪烁计光法确定放射性,用联咪苯基吲哚(DAPI)对DNA进行比染色后,用荧光计光法确定DNA浓度。
因此,钙三醇及化合物A和B按所用剂量以大约相同的IC50阻止3H-胸苷进入DNA:
钙三醇 2.7×10-9mol/l
化合物A 6.0×10-9mol/l
化合物B 9.5×10-9mol/l
由于减少了血钙过多的危险,本发明的物质适用于以特定方式制造治疗以过度增生为特征的疾病,例如皮肤的过度增生疾病(牛皮癣)和恶性肿瘤(白血病,结肠癌,乳腺癌)。成功治疗的前提条件是证明标的组织中的钙三醇受体。
该化合物可以配制成具有药理上可接受溶剂的溶液,或者在适当的药物溶剂或载体中的乳液、悬浮液或分散液,或者配成以已知方式含有固体载体的丸剂、片剂或胶囊。对于局部应用,这些化合物最好配制成乳脂、膏剂或一种适用于局部应用的类似药品形式。这类配制品中的每个还可以含有其它药学上可接受且无毒的助剂,例如稳定剂、抗氧化剂、粘合剂、色素、乳化剂或调味剂。这些化合物的施用方式优选注射或静脉注射合适的无菌溶液,或者作为口服药剂经食管(消化道)喂入,或以乳脂、膏剂、洗液或合适的经皮肤的硬膏剂(经皮肤的橡皮膏片)形式局部施用,如EP-A-0387077所述。
每天的剂量为
0.1μg(微克)/病人/天-1000μg(1mg)/病人/天,优选
1.0μg/病人/天-500μg/病人/天。
所以,本发明的化合物也与至少含有一种通式I的化合物和一种药理上容许的载体的医药制剂有关。
此外,本发明涉及用式I的化合物制备药品。
R1′为一个氢原子或一个被保护的羟基,
R4为一个羟基保护基团,
R2和R3及n与式I含义相同,
必要时对22,23-双键进行选择性加氢后,通过24-羰基官能团的还原转化成一种通式III的化合物,
式中R1′、R4′、R2和R3及n的含义与式IV相同,
式中R1′、R4′、R2和R3、n及A和B与式III含义相同,接着,通过裂化存在的羟基保护基团并在必要时使羟基基团部分或全部地酯化而转变为通式I的一种化合物。
通式IV化合物24-羰基官能团的还原例如用氯化铈(III)/硼氢化钠在一种极性溶剂中进行。还原时既有通式III的(24R)一又有(24S)-24-羟基异构体产生。这两种异构体可用色谱法分离。
在需要的情况下,可在羰基官能团还原之前对C22,C23的双键进行选择性加氢。
通式III的一种化合物接着向通式II的一种化合物的转变例如通过在所称的“三合镜感光剂”存在下用紫外光照射进行。在本发明的范围内,对此应用了蒽。通过5,6-双键π键的裂化、A环绕5,6-单键旋转180°和5,6-双键的重建,倒换了5,6-双键的立体异构体。
接着,裂解存在的羟基保护基团,优选使用四-n-丁基氟化铵以及希望时按通用方法用相应的羧酸卤化物(卤化物=氯化物、溴化物)或羧酸酐使自由的羟基部分或全部酯化。
式中羟基保护基团R1″和R4″为二甲基特丁基甲硅烷基;制备通式IV的原料化合物;按照本发明,也可设想其它的三烷基甲硅烷基作保护基团。
下面的合成实施例用来进一步说明本发明。
原料化合物的制备
I)异丁基羰基亚甲基三苯基正膦1
a)溴甲基异丁酮
将50ml异丁基甲基酮溶入240ml甲醇中,在0℃下掺入20ml溴,并在10℃下搅拌1.5小时。接着加入360ml水,在室温下搅拌16小时。用饱和食盐溶液稀释反应混合物,分离有机相,用乙醚萃取含水相。用10%的碳酸钠溶液洗涤合并起来的有机相并用氯化钙干燥。过滤后,蒸发溶剂并蒸馏残留物。得到无色油状的53.7g溴甲基异丁酮;Kp15-20为67-69℃。
b)异丁基羰甲基三苯基溴化磷
将53.6g溴甲基异丁酮加进78.5g三苯膦中,使冷却的反应混合物在二氯甲烷/乙醚(1∶2)中重结晶。得到111.7g熔点为244-245℃的溴化磷。
c)异丁基羰基亚甲基三苯基正膦1
将111.6g异丁基羰甲基三苯基溴化磷溶入1500ml二氯甲烷中,掺入1500ml 2N的NaOH,在室温下搅拌30分钟。分离出有机相,用水冲洗,并用硫酸钠干燥。过滤和蒸发溶剂后,使残余物在特丁甲醚中重结晶。得到72.2g熔点为120-121℃的标题化合物。通过改变反应步骤a)的酮组分,可以相似的方式制备下式其它的正膦。
II)(环丙基甲基)-(三苯基正膦亚基)-酮2
将180mg氯化锂和540mg氯化铜(I)在氮气存在下在9ml四氢呋喃中于室温下搅拌1.5小时。冷却到10℃后,加入溶入225ml四氢呋喃中的15.0g(溴甲基)-(三苯基正膦亚基)-酮(M.Le Corre,C.R.Acad.Sc.(C)273,81(1971)),并搅拌30分钟。接着,滴入29.5ml环丙基溴化镁在四氢呋喃中形成的1.6摩尔浓度的溶液(G.F.Reynolds等,有机化学杂志,23,1217(1958)),并在相同温度下搅拌1.5小时。为了分离,将反应混合物倒入冰/饱和氯化铵溶液中,接着用醋酸乙酯萃取。用硫酸钠为有机相脱水,然后浓缩。用带醋酸乙酯/丙酮(3∶1)的硅胶色谱分离固体剩余物,得到5.6g熔点为152℃的标题化合物2。
III)(5E,7E,22E)-(1S,3R)-1,3-双-(特丁基二甲基硅烷氧基)-9,10-闭联-24a-同-5,7,10(19)-22-胆甾四烯-24-酮3
在105℃和氮气存在下,将8.0g(1S,3R)-双-(特丁基二甲基硅烷氧基)-(20S)-甲酰基-9,10-闭联孕甾(5E,7E,10(19))-三烯(CalverleyTetrahedron43,4609(1987))和12.091在46ml二甲亚砜中搅拌6小时。接着,在室温下用醋酸乙酯稀释反应混合物,并用食盐溶液冲洗。用硫酸钠使有机相脱水并过滤。脱除溶剂后,用甲苯通过硅胶过滤残余物。蒸去溶剂并用硅胶对残余物进行梯度色谱分离(甲苯/己烷(1∶)→甲苯),产生3.6g非晶形固体标题化合物3。
(5E,7E,22E)-(1S,3R)-1,3-双-(特丁基二甲基硅烷氧基)-24-环丙基甲基-9,10-闭联胆汁-5,7,10(19),22-四烯-24-酮4
反应进行及处理同II。
加料:3.72g与II相同的(20S)-甲酰基化合物,
5.6g 2;在21ml二甲亚砜中。
产物:2.2g晶体油状的4,熔点:97-98℃。
IV)(5E,7E,22E)-(1S,3R,24R)-1,3-双-(特丁基二甲基硅烷氧基)-9,10-闭联-24a-同-5,7,10(19),22-胆甾四烯-24-醇5
V)(5E,7E,22E)-(1S,3R,24S)-1,3-双-(特丁基二甲基硅烷氧基)-9,10-闭联-24a-同-5,7,10(19),22-胆甾四烯-24-醇6
将3.5g化合物3放入9ml四氢呋喃和20.6ml甲醇中,并与20.6ml的一种0.4摩尔浓度的甲醇CeCl3·7H2O溶液混合。在氮气氛和冰冷条件,分份加入570mg硼氢化钠。将悬浮液再在冰冷却下搅拌4.0分钟,然后加到冰/食盐溶液中。用醋酸乙酯萃取水相,用水中和洗涤有机相,并在硫酸钠上干燥。过滤并除去溶剂,得到3.5g油。用醋酸乙酯/己烷(1∶9)在硅胶上进行色谱分离,得到作为晶体油的534mg 5和692mg 6。
(5E,7E,22E)-(1S,3R,24R)-1,3-双-(特丁基二甲基硅烷氧基)-24-环丙基甲基-9,10-闭联胆汁-5,7,10(19),22-四烯-24-醇7
(5E,7E,22E)-(1S,3R,24S)-1,3-双-(特丁基二甲基硅烷氧基)-24-环丙基甲基-9,10-闭联胆汁5,7,10(19),22-四烯-24-醇8
反应的进行和处理与IV/V相同。
加料:在5.8ml THF和13.0ml甲醇中的2.2g
4,13.0ml 0.4摩尔浓度的CeCl3·7H2O
溶液,359mg NaBH4。
2.22g油作为粗产物。
产物:1.05g 7(与8合在一起),
330mg 8作为树脂。
在下面的反应中仅仅描写8的进一步的转化:7也可以类似于下述方式继续加工。
VI)(5Z,7E,22E)-(1S,3R,24R)-1,3-双-(特丁基二甲基硅烷氧基)-9,10-闭联-24a-同-5,7,10(19),22-胆甾四烯-24-醇9
使534mg 5溶于75ml甲苯,加入89mg蒽和1滴三乙胺后,在室温下用一个高压水银灯(Heraeus TQ150)穿过派莱克斯玻璃照射5分钟。过滤、浓缩浑浊的反应混合物,并用醋酸乙酯/己烷(1∶9)在硅胶上色谱分离残余物。得到410mg油状的标题化合物。
VII)(5Z,7E,22E)-(1S,3R,24S)-1,3-双-(特丁基二甲基硅烷氧基)-9,10-闭联-24a-同-5,7,10(19),22-胆甾四烯-24-醇10
模拟VI的条件,由680mg化合物6得到570mg油状的标题化合物。
(5Z,7E,22E)-(1S,3R,24S)-1,3-双-(特丁基二甲基硅烷氧基)-24-环丙基甲基-9,10-闭联胆汁-5,7,10(19),22-四烯-24-醇11
使320mg 8溶于45ml甲苯中,加入54mg蒽和1滴三乙胺后,在室温下用一个高压水银灯(Hereaus TQ150)通过派莱克斯玻璃照射5分钟。浓缩反应混合物,残余物(375mg)-一种由11和蒽组成的混合物一直接与四丁基氟化铵进行反应。
例1
(5Z,7E,22E)-(1S,3R,24R)-9,10-闭联-24a-同-5,7,10(19),22-胆甾四烯-1,3,24-三醇12
使200mg化合物9溶于8.8ml四氢呋喃,使其与1.5ml由四丁基氟化铵和四氢呋喃形成的1摩尔浓度的溶液在60℃下放置50分钟。用醋酸乙酯稀释冷却后的反应混合物,并用碳酸氢钠溶液和食盐溶液洗涤。用水中和洗涤有机相,并用硫酸钠脱水。过滤和蒸发溶剂,形成210mg油作为残余物。用醋酸乙酯/己烷(2∶1)在硅胶上色谱分离,得到124mg作为非晶形固体的标题化合物12。UV(MeOH)λ=210(ε=14720),264(14240)。
例2
(5Z,7E,22E)-(1S,3R,24S)-9,10-闭联-24a-同-5,7,10(19),22-胆甾四烯-1,3,24-三醇13
在例1的条件下,由200mg化合物10得到88mg熔点为128-129℃的标题化合物13。
例3
(5Z,7E,22E)-(1S,3R,24S)-24-环丙基甲基-9,10-闭联胆汁-5,7,10(19),22-四烯-1,3,24-三醇14
使375mg 11的残余物溶于14.2ml四氢呋喃,使其与2.39ml由四丁基氟化铵和四氢呋喃形成的1摩尔浓度的溶液在60℃和氮气氛下放置60分钟。为了分离,将冷却后的反应混合物浇入冷的碳酸氢钠溶液中,接着用醋酸乙酯萃取。用硫酸钠对有机相脱水,过滤并蒸去溶剂后,得到400mg树脂状的残余物。用醋酸乙酯/己烷(2∶1)在硅胶上色谱分离,产生150mg熔点为137-139℃的14。
例4
(5Z,7E,22E)-(1S,3R,24S)-24-环戊基甲基-9,10-闭联胆汁-5,7,10(19),22-四烯-1,3,24-三醇(16)
I)异戊基羰基亚甲基三苯基正膦15
类似于制备异丁基羰基亚甲基三苯基正膦的方法,由异戊基甲基酮得到熔点为64-67℃的固体标题化合物15。
II)-V)类似于例1中II)-V)所述的方法,由5.69g(1S,3R)-双-(特丁基二甲基硅烷氧基)-(20S)-甲酰基-9,10-闭联孕烷-(5E,7E,10(19))-三烯A和8.93g异戊基羰基亚甲基三苯基正膦15,得到熔点为119-120.5℃的固体标题化合物16。
例5
(5Z,7E,22E)-(1S,3R,24S)-24-环戊基甲基-9,10-闭联胆汁-5,7,10(19),22-四烯-1,3,24-三醇18
I)环戊基甲基羰基亚甲基三苯正膦17
类似于制备异丁基羰基亚甲基三苯正膦的所述方法,由环戊基丙酮得到熔点为84-87℃的晶体油状标题化合物17。
II)-V)、类似于例1中II)-V)所述顺序,由3.50g(1S,3R)-双-(特丁基二甲基硅烷氧基)-(20S)-甲酰基-9,10-闭联孕烷-(5E,7E,10(19))-三烯A和5.68g 17得到熔点为90-93℃的固体标题化合物18。
例6
(5Z,7E,22E)-(1S,3R,24R)-24-(2-乙丁基)-9,10-闭联胆汁-5,7,10(19),22-四烯-1,3,24-三醇25
例7
(5Z,7E,22E)-(1S,3R,24S)-24-(2-乙丁基)-9,10-闭联胆汁-5,7,10(19),22-四烯-1,3,24-三醇26
I)4-乙基-戊酰基亚甲基三苯基正膦19
a)乙基-2-丁烯-1(2)-腈19a
将170g(2摩尔)氰基醋酸、10g醋酸铵、10g醋酸和100ml苯一起放在一个1L的烧瓶中。向其加入172g(2摩尔)二乙基丙酮,并在用一个冷凝器回流的情况下非常小心地煮沸18小时。苯蒸发后,将残余物放入1000ml 2n的HCl中,用乙醚萃取,分出有机相,用饱和的NaCl溶液洗涤,由Na2SO4脱水并浓缩。在18mmHg柱条件下对残余物蒸馏2次。得到96.7g无色油状的19。
沸点:66-68℃,IRν(CN)2240-2212cm-1。
b)乙基-2-丁烷腈19b
用乙醇使96.7g(886mMol)4-乙基-2-丁烯-1(2)-腈19a补充至体积为150ml。向其加入2g10%的pd/碳,并在50℃氢化7小时。用硅藻土过滤反应混合物并浓缩,用400ml 2n的HCl吸收,用乙醚萃取,脱水,浓缩,并在真空下蒸馏。得到50.5g无色油状的物质19b。
KP6-8 45℃,NMR(300MHz)〔δ〕0.92(6H,t)1.5(5H,m)2.34(2H,d)
c)4-乙基-2-己酮19C
将14.4g(600mMol)Mg屑和150ml二乙醚一起放在一个三颈瓶中。向其滴入85.2g(600mMol)溶于50ml乙醚中的碘甲烷。接着加入100ml苯,并蒸馏出一部分二乙醚。加入33.3g(300mMol)乙基-2-丁基腈19b,并回流煮沸5小时。用NH4Cl溶液水解该反应混合物,用乙醚萃取;用水洗涤,用Na2SO4脱水、浓缩并经一个维格罗分馏柱真空蒸馏。得到12.4g无色油状的19C。
KP16 54℃,IRν(CO)1730cm-1
NMR〔δ〕0.86(6H,t)1.30(4H,m)1.80(1H,m)
2.13(3H,s)2.33(2H,d)
d)溴甲基-4-乙基戊基酮19d
将12g(93mMol)溶于60ml甲醇的4-乙基-2-己酮在0℃下与14.8g(93mMol)溴相混合,在0℃再搅拌30分钟。接着在冷却条件下加入100ml水,并在室温下搅拌16小时。用饱和的食盐溶液稀释反应混合物,用乙醚萃取,用饱和NaHCO3洗涤并用Na2SO4干燥脱水。过滤后蒸去溶剂并蒸馏残留物。得到13.4g溴甲基-4-乙基戊基酮19d。
KP12 54℃
NMR(300MHz)〔δ〕0.86(6H,t)1.23
(4H,m)1.86(1H,m)2.58(2H,d)
3.88(2H,s)
e)4-乙基戊酰基甲基三苯基溴化磷19e
将13.4g(65mMol)溴甲基-4-乙基戊基酮19d加到17.3g(65mMol)三苯膦中。放置过夜后再加入76ml二氯甲烷并回流煮沸30分钟。冷却后用110ml乙醚稀释反应混合物,再用80ml二氯甲烷/乙醚(3∶5)洗涤。得到26.4g溴化磷19e。
NMR(300MHz)〔δ〕0.78(6H,t)1.20
(4H,m)1.77(1H,m)2.87(2H,d)
5.7(2H,d)7.78(15H,m)
f)4-乙基戊酰基亚甲基三苯基正膦19
将26g(55mMol)溶于70ml甲醇的4-乙基戊酰基甲基三苯基溴化磷19e用5.04g(60mMol)溶于70ml水的碳酸氢钠稀释,在室温下搅拌30分钟。将反应混合物加入水中,用二氯甲烷萃取,分离有机相,用水洗涤,用Na2SO4脱水并浓缩。用醋酸乙酯搅动残余物。得到18.8g标题化合物19。
NMR(300MHz)〔δ〕0.93(6H,t)1.52
(4H,m)2.31(1H,m)2.48(2H,d)
3.94(1H,宽d)7.48和7.88(15H,
m)
II)(5E,7E,22E)-(1S,3R)-1,3-双-(特丁基二甲基硅烷氧基)-24-(2-乙基丁基)-9,10闭联胆汁-5,7,10(19),22-四烯-24-酮(20)
将3.4g(5.9mMol)(20S)甲酰化合物A和5.7g(14.7mMol)19在100ml甲苯中加热至80℃过一夜。接着将反应混合物加入水中,分出有机相,用饱和食盐溶液洗涤,用Na2SO4脱水并浓缩。在硅胶上用甲苯色谱分离该油状残余物。得到到1.1g油状化合物20。
NMR(300MHz)〔δ〕0.53(3H,S)0.79
(24H)1.2(3H,d)4.17(1H,m)
4.48(1H,m)4.81(2H,d)5.78
(1H,d)5.98(1H,d)6.39(1H,d)
6.62(1H,q)
III)(5E,7E,22E)-(1S,3R,24R)-1,3-双-(特丁基二甲基硅烷氧基)-24-(2-乙基丁基)-9,10-闭联胆汁-5,7,10(19),22-四烯-24-醇21
(5E,7E,22E)-(1S,3R,24S)-1,3-双(特丁基二甲基硅烷氧基)-24-(2-乙基丁基)-9,10-闭联胆汁-5,7,10(19),22-四烯-24-醇22
反应的进行和处理同III例1/2所述。
加料:1.1g(1.6mMol)溶于2.8ml THF和
6.3ml甲醇的20
920mg(2.47mMol)溶于6.1ml甲醇的
CeCl3×7H2O
263mg(6.96mMol)NaBH4
产物:油状的340mg 21和140mg 22。
21和22 NMR(300MHz)〔δ〕0.50(3H,s)0.7-0.88(24H)4.05
(1H,m)4.14(1H,m)4.48(1H,m)
4.91(2H,d)5.32(1H,dd)5.47(1
H,dd)5.77(1H,d)6.40(1H,d)
(IV)(5Z,7E,22E)-(1S,3R,24R)-1,3-双-(特丁基二甲基硅烷氧基)-24-(2-乙基丁基)-9,10-闭联胆汁-5,7,10(19),22-四烯-24-醇23
将340mg 21溶于60ml甲苯,加入53mg(0.30mMol)蒽和1滴三乙胺后,在室温下用一个高压水银灯(选自TQ150)通过派莱克斯玻璃照射5分钟。过滤混浊的反应混合物,并浓缩。得到340mg标题化合物23。
(5Z,7E,22E)-(1S,3R,24S)-1,3-双(特丁基二甲基硅烷氧基)-24-(2-乙基丁基)-9,10-闭联胆汁-5,7,10(19),22-四烯-24-醇24
类似于IV)所述的条件,由130mg化合物22得到130mg油状的标题化合物24。
V)将340mg溶于10ml四氢呋喃的化合物23与2ml在四氢呋喃的1n四丁基氟化铵在55℃下保待1小时。用醋酸乙酯稀释冷却后的反应混合物,并用碳酸氢钠溶液和食盐溶液洗涤。用水中和洗涤有机相,由硫酸钠脱水并浓缩。用醋酸乙酯在硅胶上色谱分离并蒸发浓缩后,用己烷吸收残余物并过滤。得到110mg作为非晶形固体的标题化合物25。
熔点:147-154℃。
(5Z,7E,22E)-(1S,3R,24S)-24-(2-乙基丁基)-9,10-闭联胆汁-5,7,10(19),22-四烯-1,3,24-三醇26
在制备25的条件下,由130mg化合物24得到40mg熔点为135-138℃的标题化合物26。
Claims (1)
1.式I的24-同-维生素-D-衍生物在制备药物中的应用式中:
R1为一个氢原子、一个羟基
R2和R3各自独立地为一个有1至4个碳原子的直链或支链烷基、或者共同为一个与碳原子25相连的有3至9个碳原子的饱和碳环,
R5和R6各自独立地为一个氢原子,
A和B各为一个氢原子或者共同为一个第二键,
n为1、2、3、4或5。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3933034A DE3933034A1 (de) | 1989-10-02 | 1989-10-02 | 24-homo-vitamin-d-derivate, verfahren zu ihrer herstellung |
| DEP3933034.6 | 1989-10-02 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN90108993A Division CN1031705C (zh) | 1989-10-02 | 1990-10-01 | 24-加碳-维生素-d-衍生物的制备方法 |
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| Publication Number | Publication Date |
|---|---|
| CN1106666A CN1106666A (zh) | 1995-08-16 |
| CN1053103C true CN1053103C (zh) | 2000-06-07 |
Family
ID=6390762
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN90108993A Expired - Fee Related CN1031705C (zh) | 1989-10-02 | 1990-10-01 | 24-加碳-维生素-d-衍生物的制备方法 |
| CN94115050A Expired - Fee Related CN1053103C (zh) | 1989-10-02 | 1994-08-18 | 24-同-维生素-d-衍生物在制药中的应用 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN90108993A Expired - Fee Related CN1031705C (zh) | 1989-10-02 | 1990-10-01 | 24-加碳-维生素-d-衍生物的制备方法 |
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| Country | Link |
|---|---|
| US (1) | US5665716A (zh) |
| EP (1) | EP0421561B1 (zh) |
| JP (1) | JPH03246273A (zh) |
| CN (2) | CN1031705C (zh) |
| AT (1) | ATE103893T1 (zh) |
| AU (1) | AU639717B2 (zh) |
| CA (1) | CA2026671C (zh) |
| DD (1) | DD299178A5 (zh) |
| DE (2) | DE3933034A1 (zh) |
| DK (1) | DK0421561T3 (zh) |
| ES (1) | ES2052166T3 (zh) |
| FI (1) | FI93643C (zh) |
| HU (1) | HU210032B (zh) |
| IE (1) | IE71227B1 (zh) |
| IL (1) | IL95872A (zh) |
| NO (1) | NO178923C (zh) |
| PT (1) | PT95473B (zh) |
| ZA (1) | ZA907876B (zh) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5260290A (en) * | 1990-02-14 | 1993-11-09 | Wisconsin Alumni Research Foundation | Homologated vitamin D2 compounds and the corresponding 1α-hydroxylated derivatives |
| US5030772A (en) * | 1990-02-14 | 1991-07-09 | Deluca Hector F | Process for preparing vitamin D2 compounds and the corresponding 1 α-hydroxylated derivatives |
| US20040009958A1 (en) * | 1991-01-08 | 2004-01-15 | Bone Care International, Inc. | Methods for preparation and use of 1alpha,24(S)-dihydroxyvitamin D2 |
| DE4200783C2 (de) * | 1992-01-10 | 1997-02-06 | Schering Ag | (5Z,7E,22E)-(1S,3R,24S)-24-Benzyl-9,10-secochola-5,7,10(19),22-tetraen-1,3,24-triol, Verfahren zur Herstellung und Pharmazeutische Präparate |
| IL107185A (en) * | 1992-10-06 | 1998-02-22 | Schering Ag | Vitamin d, 25-carboxylic acid derivatives and pharmaceutical compositions containing the same |
| DE4328217C2 (de) * | 1993-08-21 | 1996-01-11 | Lohmann Therapie Syst Lts | Therapeutisches System zur Behandlung der Psoriasis |
| US6242434B1 (en) * | 1997-08-08 | 2001-06-05 | Bone Care International, Inc. | 24-hydroxyvitamin D, analogs and uses thereof |
| DE19619036A1 (de) | 1996-04-30 | 1997-11-13 | Schering Ag | Neue Vitamin D-Derivate mit carbo- oder heterocyclischen Substituenten an C-25, Verfahren zu ihrer Herstellung und die Verwendung zur Herstellung von Arzneimitteln |
| US5939408A (en) | 1996-05-23 | 1999-08-17 | Hoffman-La Roche Inc. | Vitamin D3 analogs |
| US20020128240A1 (en) * | 1996-12-30 | 2002-09-12 | Bone Care International, Inc. | Treatment of hyperproliferative diseases using active vitamin D analogues |
| US20030129194A1 (en) * | 1997-02-13 | 2003-07-10 | Bone Care International, Inc. | Targeted therapeutic delivery of vitamin D compounds |
| DE19935771A1 (de) | 1999-07-23 | 2001-02-01 | Schering Ag | Neue Vitamin D-Derivate mit cyclischen Substrukturen in den Seitenketten, Verfahren und Zwischenprodukte zu ihrer Herstellung und die Verwendung zur Herstellung von Arzneimitteln |
| WO2002006218A2 (en) * | 2000-07-18 | 2002-01-24 | Bone Care International, Inc. | STABILIZED 1α-HYDROXY VITAMIN D |
| DE10156596A1 (de) * | 2001-11-13 | 2003-05-28 | Schering Ag | Vitamin D-Derivate mit Acyloxygruppen in der Seitenkette, Verfahren zu ihrer Herstellung und die Verwendung zur Herstellung von Arzneimitteln |
| EP1470220B1 (en) * | 2002-01-10 | 2011-10-05 | Teva Pharmaceutical Industries, Ltd. | Selective enzymatic esterification and solvolysis of epimeric vitamin d analog and separation of the epimers |
| EP1461314A1 (en) * | 2002-06-13 | 2004-09-29 | Teva Pharmaceutical Industries Limited | Epimerization of analogs of vitamin d |
| US7094775B2 (en) | 2004-06-30 | 2006-08-22 | Bone Care International, Llc | Method of treating breast cancer using a combination of vitamin D analogues and other agents |
| KR20090039833A (ko) * | 2006-08-29 | 2009-04-22 | 테바 파마슈티컬 인더스트리즈 리미티드 | 비타민 d 및 코르티코스테로이드를 포함하는 약학 조성물 |
| US8716334B2 (en) | 2008-06-17 | 2014-05-06 | Ben Gurion University Of The Negev Research And Development Authority | Substituted cyclohexylidene-ethylidene-octahydro-indene compounds |
| SG2014006324A (en) | 2009-01-27 | 2014-03-28 | Berg Llc | Vitamin d3 and analogs thereof for alleviating side effects associated with chemotherapy |
| CN102655869B (zh) | 2009-08-14 | 2016-08-10 | 博格有限责任公司 | 用于治疗脱发的维生素d3及其类似物 |
| HK1222819A1 (zh) | 2013-05-29 | 2017-07-14 | 博格有限责任公司 | 使用维生素d预防或减轻化疗诱发的脱发 |
| US10548908B2 (en) | 2016-09-15 | 2020-02-04 | Nostopharma, LLC | Compositions and methods for preventing and treating heterotopic ossification and pathologic calcification |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986002078A1 (en) * | 1984-10-04 | 1986-04-10 | Wisconsin Alumni Research Foundation | Vitamin d derivatives and methods for preparing same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987003282A1 (fr) * | 1985-11-21 | 1987-06-04 | Taisho Pharmaceutical Co., Ltd. | Derive de la vitamine d3 |
| US4847012A (en) * | 1988-04-29 | 1989-07-11 | Wisconsin Alumni Research Foundation | Vitamin D related compounds and processes for their preparation |
| US4927815A (en) * | 1988-04-29 | 1990-05-22 | Wisconsin Alumni Research Foundation | Compounds effective in inducing cell differentiation and process for preparing same |
| US5030772A (en) * | 1990-02-14 | 1991-07-09 | Deluca Hector F | Process for preparing vitamin D2 compounds and the corresponding 1 α-hydroxylated derivatives |
| US5260290A (en) * | 1990-02-14 | 1993-11-09 | Wisconsin Alumni Research Foundation | Homologated vitamin D2 compounds and the corresponding 1α-hydroxylated derivatives |
-
1989
- 1989-10-02 DE DE3933034A patent/DE3933034A1/de not_active Withdrawn
-
1990
- 1990-10-01 EP EP90250249A patent/EP0421561B1/de not_active Expired - Lifetime
- 1990-10-01 DD DD90344338A patent/DD299178A5/de not_active IP Right Cessation
- 1990-10-01 AT AT90250249T patent/ATE103893T1/de not_active IP Right Cessation
- 1990-10-01 DE DE90250249T patent/DE59005254D1/de not_active Expired - Lifetime
- 1990-10-01 PT PT95473A patent/PT95473B/pt not_active IP Right Cessation
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- 1990-10-01 NO NO904269A patent/NO178923C/no not_active IP Right Cessation
- 1990-10-01 DK DK90250249.1T patent/DK0421561T3/da active
- 1990-10-01 ES ES90250249T patent/ES2052166T3/es not_active Expired - Lifetime
- 1990-10-01 CN CN90108993A patent/CN1031705C/zh not_active Expired - Fee Related
- 1990-10-02 JP JP2263263A patent/JPH03246273A/ja active Pending
- 1990-10-02 CA CA002026671A patent/CA2026671C/en not_active Expired - Fee Related
- 1990-10-02 US US07/592,017 patent/US5665716A/en not_active Expired - Fee Related
- 1990-10-02 FI FI904850A patent/FI93643C/fi not_active IP Right Cessation
- 1990-10-02 ZA ZA907876A patent/ZA907876B/xx unknown
- 1990-10-02 AU AU63715/90A patent/AU639717B2/en not_active Ceased
- 1990-10-02 IL IL9587290A patent/IL95872A/en not_active IP Right Cessation
- 1990-10-02 IE IE352090A patent/IE71227B1/en not_active IP Right Cessation
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986002078A1 (en) * | 1984-10-04 | 1986-04-10 | Wisconsin Alumni Research Foundation | Vitamin d derivatives and methods for preparing same |
Also Published As
| Publication number | Publication date |
|---|---|
| PT95473B (pt) | 1997-07-31 |
| DE59005254D1 (de) | 1994-05-11 |
| DK0421561T3 (da) | 1994-07-25 |
| NO904269D0 (no) | 1990-10-01 |
| AU639717B2 (en) | 1993-08-05 |
| ES2052166T3 (es) | 1994-07-01 |
| DE3933034A1 (de) | 1991-04-11 |
| HUT55751A (en) | 1991-06-28 |
| CA2026671A1 (en) | 1991-04-03 |
| JPH03246273A (ja) | 1991-11-01 |
| ATE103893T1 (de) | 1994-04-15 |
| ZA907876B (en) | 1992-04-29 |
| CN1051907A (zh) | 1991-06-05 |
| NO904269L (no) | 1991-04-03 |
| IL95872A (en) | 1995-03-15 |
| IE903520A1 (en) | 1991-04-10 |
| NO178923B (no) | 1996-03-25 |
| PT95473A (pt) | 1991-06-25 |
| CN1031705C (zh) | 1996-05-01 |
| AU6371590A (en) | 1991-04-11 |
| EP0421561A3 (en) | 1991-06-12 |
| FI904850A0 (fi) | 1990-10-02 |
| HU210032B (en) | 1995-01-30 |
| US5665716A (en) | 1997-09-09 |
| EP0421561A2 (de) | 1991-04-10 |
| IE71227B1 (en) | 1997-02-12 |
| IL95872A0 (en) | 1991-07-18 |
| NO178923C (no) | 1996-07-03 |
| EP0421561B1 (de) | 1994-04-06 |
| HU906284D0 (en) | 1991-03-28 |
| CN1106666A (zh) | 1995-08-16 |
| FI93643B (fi) | 1995-01-31 |
| FI93643C (fi) | 1995-05-10 |
| DD299178A5 (de) | 1992-04-02 |
| CA2026671C (en) | 1998-12-08 |
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