CN108794556B - 化合物及其在治疗白内障中的应用 - Google Patents

化合物及其在治疗白内障中的应用 Download PDF

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CN108794556B
CN108794556B CN201710311108.6A CN201710311108A CN108794556B CN 108794556 B CN108794556 B CN 108794556B CN 201710311108 A CN201710311108 A CN 201710311108A CN 108794556 B CN108794556 B CN 108794556B
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饶燏
闫永彬
杨兴林
杨子默
陈祥军
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Tsinghua University
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Abstract

本发明公开了一种化合物及其在治疗白内障中的应用。所述化合物的结构式如式Ⅰ所示。式Ⅰ所示化合物、其前药或其药学上可接受的盐可用于阻止、缓解或者逆转晶状体蛋白在细胞内的聚集;在晶状体细胞中,90%以上的蛋白组分是晶状体蛋白(crystallin,CRY),包括α‑、β‑和γ‑CRY三个家族,而晶状体蛋白发生突变后,会引发细胞内的蛋白聚集,导致白内障疾病,本发明将选取α‑CRY家族突变体αA‑Y118D、αB‑R120G、β‑CRY家族突变体βB2‑V187E、γ‑CRY家族突变体γC‑G129C和γD‑W43R为白内障疾病的研究模型检测了本发明化合物的效果。本发明提供的具有新颖结构的小分子,与现有的小分子(如C29,Science,350,674)相比,在抑制细胞内晶状体蛋白突变导致的蛋白聚集具有更好的活性,且提高药物的可被机体吸收性,并且对正常晶状体细胞没有毒副作用。

Description

化合物及其在治疗白内障中的应用
技术领域
本发明涉及一种化合物及其在治疗白内障中的应用,属于生物医药领域。
背景技术
晶状体是眼球屈光系统的重要组成部分,也是唯一具有调节能力的屈光间质,晶状体由晶体囊、晶体上皮、晶体纤维和悬韧带组成。如果晶状体由于各种原因造成其部分或全部混浊,则发生白内障。白内障会导致单眼或者双眼的视力降低。通常白内障发展缓慢,症状主要包括视力模糊、晕光、夜视能力降低,严重会致盲。视力的降低会严重的影响人们的日常生活,比如开车、阅读,视力的降低也会导致心理疾病的产生。白内障多发于40岁以上的人群,随着且随年龄增长而增多,与多因素相关,如与老年人代谢缓慢,发生退行性病变有关,也有人认为与日光长期照射,内分泌紊乱,代谢障碍等因素有关。外伤、药物、放射性物质、并发症等也会引起后天性白内障,另外,有一些先天性的白内障患者,多在出生前后即已存在,有内生性与外生性两类,内生性者与胎儿发育障碍有关,外生性者是母体或胎儿的全身病变对晶状体造成损害所致。
国际公认的快速有效治疗白内障的方法是手术治疗,通过手术将患者浑浊的晶状体取出,然后植入人工晶体。但总体而言手术治疗费用较高,对患者而言是很大的经济负担,随着人类平均寿命的延长、人口老龄化的出现,这一难题更为突出,因此寻找有效、安全、廉价的药物治疗白内障具有重要的现实意义。
晶状体内90%的蛋白是由晶状体蛋白组成。其中α-、β-和γ-晶状体蛋白是晶状体内最主要的可溶性蛋白。其中,α-晶状体蛋白是由两个亚基组成的二聚体,属于小热休克蛋白家族,它可以在不依赖ATP的情况下有效地结合损伤的或者未能正确折叠的蛋白质从而阻止这些蛋白的聚集。从白内障患者的晶状体中可以分离得到的很多不同种类的蛋白,其中有很多是以高分子量的蛋白聚集体形式存在。这些蛋白聚集体导致了整个白内障晶状体的浑浊遮光性。因此需要提供一种可以逆转蛋白聚集的小分子化合物,其可以逆转白内障晶状体内的蛋白聚集,使其变为可溶蛋白,该小分子可以应用到白内障的预防或者治疗中。
发明内容
本发明的目的是提供一种具有新颖结构的小分子化合物,该小分子化合物在抑制晶状体细胞内蛋白聚集方面具有更好的活性,具有更好的水溶性,并且对正常晶状体细胞没有毒副作用。
本发明首先提供式Ⅰ所示化合物、其前药或其药学上可接受的盐,
Figure BDA0001287131450000021
式Ⅰ中,环A为六元环或七元环,当环A为六元环时,X不存在,当环A为七元环时,X表示O或NH;
3号碳原子与R1之间为单键或双键,当为单键时,R1选自如下基团中任一种:
Figure BDA0001287131450000022
R7为单糖或多糖;
当为双键时,R1选自如下基团中任一种:
Figure BDA0001287131450000023
R2为-OH、-F或-H;
R3选自如下基团中任一种:
Figure BDA0001287131450000024
Ac表示乙酰基;
5号碳原子与6号碳原子之间为单键或双键,当为单键时,R5和R6为H或OH或R5和R6形成环氧键,当为双键时,R5为H;
7号碳原子、8号碳原子、9号碳原子和11号碳原子相邻碳原子之间为单键或双键;
当8号碳原子与9号碳原子之间为单键时,8号碳原子与9号碳原子之间存在环氧结构或7号碳原子与8号碳原子之间为双键或9号原子与11号碳原子之间为双键;
R4为多取代的醇、羧基、酰胺、膦酸、磺酸、苷或烷烃,具体选自如下基团中任一种:
Figure BDA0001287131450000031
R8为-OH、-H、碳原子数为1~5的烷基或苯基;
R7为单糖或多糖;
R9、R10、R11和R12均为碳原子数为1~4的烷基;
n为0~4之间的数。
式Ⅰ中,7号碳原子、8号碳原子、9号碳原子和11号碳原子相邻碳原子之间的连接情况可为:当7号碳原子与8号碳原子之间为单键时,8号碳原子与9号碳原子之间为双键或9号原子与11号碳原子之间为双键;当7号碳原子与8号碳原子之间为双键时,9号原子与11号碳原子之间为双键;9号碳原子与11号碳原子之间的连接情况与7号碳原子与8号碳原子之间的连接情况相似。
所述化合物的结构式进一步如式Ⅱ所示,
Figure BDA0001287131450000032
式Ⅱ中,R1、R2、R3、R4、R5和R6的定义同式Ⅰ中。
所述化合物的结构式具体如式Ⅲ所示,
Figure BDA0001287131450000041
式Ⅲ中,R2和R4的定义同式Ⅰ中。
式Ⅲ所示化合物具体如式Ⅲ-1或式Ⅲ-2所示:
Figure BDA0001287131450000042
所述化合物的结构式具体如式Ⅳ所示,
Figure BDA0001287131450000043
式Ⅳ中,R2和R4的定义同式Ⅰ中。
式Ⅳ所示化合物具体为式Ⅳ-1-式Ⅳ-25中任一种:
Figure BDA0001287131450000044
Figure BDA0001287131450000051
Figure BDA0001287131450000061
Figure BDA0001287131450000071
所述化合物的结构式具体如式Ⅴ所示,
Figure BDA0001287131450000072
式Ⅴ中,R1和R4的定义同式Ⅰ中。
式Ⅴ所示化合物具体如式Ⅴ-1、式Ⅴ-2、式Ⅴ-3或式Ⅴ-4所示:
Figure BDA0001287131450000081
所述化合物的结构式具体如式Ⅵ所示,
Figure BDA0001287131450000091
式Ⅵ中,R4的定义同式Ⅰ中。
式Ⅵ所示化合物具体如式Ⅵ-1所示:
Figure BDA0001287131450000092
所述化合物的结构式具体如式Ⅶ、式Ⅷ、式Ⅸ、式Ⅹ、式Ⅺ或式Ⅻ所示:
Figure BDA0001287131450000093
Figure BDA0001287131450000101
本发明化合物可根据现有的常规方法进行制备,如采用氧化反应、还原反应和/或缩合反应等常规反应进行。
本发明所提供的化合物、其前药或其药学上可接受的盐可用于治疗白内障。
本发明提供的化合物、其前药或其药学上可接受的盐可用于阻止、缓解或者逆转晶状体蛋白在细胞内的聚集;
在晶状体细胞中,90%以上的蛋白组分是晶状体蛋白(crystallin,CRY),包括α-、β-和γ-CRY三个家族,而晶状体蛋白发生突变后,会引发细胞内的蛋白聚集,导致白内障疾病,本发明将选取α-CRY家族突变体αA-Y118D、αB-R120G、β-CRY家族突变体βB2-V187E、γ-CRY家族突变体γC-G129C和γD-W43R为白内障疾病的研究模型来检测本发明化合物的效果。
活性成分为本发明提供的化合物、其前药或其药学上可接受的盐的治疗白内障的药物也属于本发明的保护范围。
本发明提供的具有新颖结构的小分子,与现有的小分子(如C29,Science,350,674)相比,在抑制细胞内晶状体蛋白突变导致的蛋白聚集具有更好的活性,且提高药物的可被机体吸收性,并且对正常晶状体细胞没有毒副作用。
附图说明
图1为晶状体蛋白突变体αB R120G在细胞内发生错误折叠形成聚集小体的示意图。
图2为本发明化合物对多种晶状体蛋白突变体形成聚集体的效应。
图3为本发明化合物对晶状体蛋白突变体αB R120G聚集的半效应浓度。
图4为本发明所示化合物细胞毒性的检测结果。
具体实施方式
下述实施例中所使用的实验方法如无特殊说明,均为常规方法。
下述实施例中所用的材料、试剂等,如无特殊说明,均可从商业途径得到。
实施例1、式Ⅳ-1所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000111
化合物IV-23(1.0当量)、HCTU(1.2当量)和环丙胺(1.5当量)溶于DCM/DMF混合溶剂中,室温搅拌12小时。反应完成后采用二氯甲烷萃取所得产物,水洗除去DMF。无水碳酸钠干燥,然后用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯20:1),得化合物式Ⅳ-1,产率为80%。
1H-NMR(400MHz,CDCl3)δ(ppm)5.50(s,1H),3.25-3.21(m,1H),2.72-2.67(m,1H),2.23-2.17(m,1H),0.86(s,3H),0.47(s,2H);13C-NMR(100MHz,CDCl3)δ(ppm)175.2,134.5,134.5,79.1,50.5,50.4,49.9,44.6,39.0,37.2,36.3,35.7,33.8,32.1,31.1,30.9,29.8,28.1,28.0,26.6,24.4,22.7,21.1,19.3,18.6,18.4,15.9,15.6,7.8.
实施例2、式Ⅳ-13和式Ⅳ-14所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000112
化合物1 140mg溶于无水DCM(20mL)中,在冰浴条件下,氮气保护加入TBDMSOTf(291uL,4.0eq),2,6-lutidine(187uL,5.0eq)。反应液在室温下搅拌,TLC检测反应至原料消失(2h)。旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯200:1),得化合物2(190mg),产率90%。
化合物2 1H-NMR(400MHz,CDCl3)δ(ppm)4.62-4.60(m,1H),1.19(s,3H),1.18(s,3H),1.05(s,3H),1.00(s,3H),0.95(s,12H),0.86(s,12H),0.73(s,3H),0.17(s,3H),0.15(s,3H),0.07(s,6H);13C-NMR(100MHz,CDCl3)δ(ppm)156.5,156.5,135.2,133.1,98.9,73.7,50.6,50.2,49.5,45.7,44.6,38.5,37.0,36.7,36.4,31.3,31.2,30.3,29.8,28.6,28.4,27.1,26.7,26.1,26.0,24.4,21.0,20.8,19.8,19.6,18.9,18.6,18.5,18.3,16.1,-1.88,-3.9,-4.5.
化合物2(100mg)溶于3ml的DCM和2ml的DMF的混合溶液,在冰浴条件下加入selectfluor(50mg,1.0eq),反应液在室温下搅拌1h。反应液用饱和碳酸氢钠溶液洗涤,无水碳酸钠干燥,然后再旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯50:1),得化合物3(60mg),产率71%。
化合物3 1H-NMR(400MHz,CDCl3)δ(ppm)5.34(ddd,J=48.0Hz,J=13.0Hz,J=6.2Hz,1H),2.53-2.74(m,1H),1.31(s,3H),1.177(s,3H),1.170(s,3H),1.15(s,3H),1.11(s,3H),0.91(d,J=6.4Hz,3H),0.89(s,3H),0.87(s,9H),0.71(s,3H),0.05(s,6H);13C-NMR(100MHz,CDCl3)δ(ppm)210.2(d,J=11.8Hz,1C),135.75,133.0,89.3(d,J=184.9Hz,1C),73.6,52.1,50.4,49.9,48.5,45.6,44.6,43.7,43.6,38.1,38.0,36.9,36.5,30.8,30.2,29.8,28.3,26.1,26.0,24.6,24.4,21.6,21.4,20.9,20.1,19.0,18.8,18.2,15.8,-1.9.
化合物3(57mg)溶于DCM/MeOH(1mL/3mL),室温下硼氢化钠(20mg,5eq)加入到反应液中,室温搅拌1h。反应液用饱和碳酸氢钠溶液洗涤,无水碳酸钠干燥,然后再旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯50:1),得化合物4(30mg),产率70%;化合物5(9mg),产率20%。
化合物4 1H-NMR(400MHz,CDCl3)δ(ppm)4.69-4.53(m,1H),3.29(t,J=12.0Hz,1H),1.18(s,3H),1.17(s,3H),1.08(s,3H),1.06(s,3H),0.87(d,J=6.4Hz,3H),0.88(s,3H),0.87(s,3H),0.85(s,9H),0.69(s,3H),0.06(s,6H).
化合物5 1H-NMR(400MHz,CDCl3)δ(ppm)5.00-4.85(m,1H),3.67(d,J=6.8Hz,1H),1.18(s,3H),1.17(s,3H),1.06(s,3H),1.04(s,3H),0.90(d,J=6.4Hz,3H),0.897(s,3H),0.88(s,3H),0.85(s,9H),0.69(s,3H),0.06(s,6H).
化合物4(30mg)溶于乙腈/THF(1ml/1mL),40%HF水溶液加入到反应液,50摄氏度搅拌过夜。反应液残留HF用氯化钙溶液中和,化合物用DCM萃取,无水碳酸钠干燥,然后再旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯10:1),得化合物(式Ⅳ-13)(18mg),产率75%.
化合物(式Ⅳ-13)1H-NMR(400MHz,CDCl3)δ(ppm)4.66-4.49(m,1H),3.28(dd,J=13.0Hz,J=9.6Hz,1H),1.21(s,6H),1.07(s,3H),1.05(s,3H),0.90(d,J=6.3Hz,3H),0.88(s,3H),0.86(s,3H),0.68(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)134.9,133.5,93.4(d,J=165.6Hz,1C),81.0(d,J=15.4Hz,1C),71.1,50.4,50.2,50.1,49.8,44.5,44.4,41.1,40.9,39.5,39.4,38.7,38.5,36.7,36.5,30.8,30.76,29.7,29.3,29.2,28.4,28.2,26.2,24.3,21.3,21.1,20.2,18.7,18.0,16.6,15.7.
化合物5(20mg)溶于乙腈/THF(1ml/1mL),40%HF水溶液加入到反应液,50摄氏度搅拌过夜。反应液残留HF用氯化钙溶液中和,化合物用DCM萃取,无水碳酸钠干燥,然后再旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯10:1),得化合物(式Ⅳ-14)(14mg),产率85%.
化合物(式Ⅳ-14)1H-NMR(400MHz,CDCl3)δ(ppm)5.01-4.85(m,1H),3.67(d,J=7.7Hz,1H),1.21(s,6H),1.05(s,3H),1.03(s,3H),0.92-0.88(m,9H),0.69(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)134.7,133.9,91.5(d,J=167.1Hz,1C),76.7,71.2,50.5,50.0,44.6,44.5,43.5,38.8,38.7,38.6,38.5,36.8,36.6,35.8,35.6,31.0,30.9,29.8,29.5,29.4,28.3,28.2,26.1,24.4,21.9,21.3,21.26,20.3,18.8,17.9,15.8.
实施例3、式Ⅳ-20所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000131
化合物2(380mg,0.56mmol)溶于DCM中,在冰浴条件下,将m-CPBA(1.0eq)与NaHCO3(0.7eq)的DCM混悬液缓慢加入反应液中,搅拌20min,TLC检测反应完成,反应液中加入饱和碳酸氢钠溶液停止反应,用水洗涤,DCM萃取,无水硫酸钠干燥,旋转蒸发仪蒸干溶剂,所得产品用硅胶柱分离(石油醚:乙酸乙酯80:1),得化合物6(290mg),产率90%。
化合物(f)1H-NMR(400MHz,CDCl3)δ(ppm)4.65-4.60(q,J1=6Hz,J2=12Hz,1H),1.17-1.16(d,6H),1.11(s,3H),1.08(s,3H),0.90(s,6H),0.71(s,3H),0.14(s,3H),0.02(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)214.08,135.16,133.69,73.64,71.62,52.11,50.45,49.86,48.19,46.85,45.62,44.60,37.87,36.87,36.52,32.02,30.91,30.84,30.18,29.74,29.45,28.29,26.21,25.96,25.94,24.97,24.34,22.78,21.84,21.55,20.92,20.07,19.31,19.17,18.81,18.71,18.19,15.82,14.50,-1.98,-4.50,-5.45.
化合物6(290mg,0.51mmol)溶于MeOH/DCM中,将NaBH4(10.0eq)缓慢加入反应液中,室温下搅拌过夜,TLC检测反应完成,旋转蒸发仪蒸干溶剂,所得产品用硅胶柱分离(石油醚:乙酸乙酯40:1),得化合物7,全部用于下一步反应。
化合物7溶于乙腈/THF(1ml/1mL),40%HF水溶液(100ul)加入到反应液,50摄氏度搅拌过夜。反应液残留HF用氯化钙溶液中和,化合物用DCM萃取,无水硫酸钠干燥,旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(DCM:MeOH 50:1),得化合物(式Ⅳ-20)(36mg),两步产率15%。
化合物(式Ⅳ-20)1H-NMR(400MHz,CD3OD)δ(ppm)3.66-3.60(m,1H),2.93-2.91(d,J=9.6Hz,1H),1.05(s,3H),1.01(s,3H),0.93-0.91(d,3H),0.89(s,3H),0.82(s,3H),0.92(s,3H);13C-NMR(100MHz,CD3OD)δ(ppm)135.48,135.14,83.97,71.26,69.66,51.49,51.41,50.61,45.38,44.98,44.75,40.02,38.91,37.70,37.39,31.88,31.57,29.11,28.99,28.95,28.91,27.18,24.55,21.97,21.84,20.58,19.12,19.09,17.07,16.18.
实施例4、式Ⅳ-8、式Ⅳ-11和式Ⅳ-12所示化合物的制备
反应方程式如下所示:
化合物8 16g(40%,13.7mmol)溶于DCM中,前3h在室温下加入一半m-CPBA与NaHCO3,后3h在冰浴条件下加入剩下的m-CPBA,TLC检测反应完,反应液用饱和碳酸氢钠溶液洗涤,无水硫酸钠干燥,旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯80:1),得化合物9,产率80%。
化合物9 1.1g(2.4mmol)溶于乙醚中,HIO4加入反应液中,室温下搅拌20min,TLC检测反应完全,反应液用水洗涤,无水硫酸钠干燥,旋转蒸发仪蒸干溶剂,所得产品即化合物(c)可直接用于下一步反应。
化合物10 200mg(0.4mmol)溶于DCM中,将前处理后的叶立徳试剂加入反应液中,氮气保护室温下搅拌4h,旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯50:1),得化合物11(190mg),产率90%。
Figure BDA0001287131450000151
化合物11 1H-NMR(400MHz,CDCl3)δ(ppm)5.01-4.85(m,1H),3.67(d,J=7.7Hz,1H),1.21(s,6H),1.05(s,3H),1.03(s,3H),0.92-0.88(m,9H),0.69(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)134.7,133.9,91.5(d,J=167.1Hz,1C),76.7,71.2,50.5,50.0,44.6,44.5,43.5,38.8,38.7,38.6,38.5,36.8,36.6,35.8,35.6,31.0,30.9,29.8,29.5,29.4,28.3,28.2,26.1,24.4,21.9,21.3,21.26,20.3,18.8,17.9,15.8.
化合物11 100mg(0.2mmol)溶于乙醇/水(4ml/2ml)中,加入KOH(3.0eq),120℃加热过夜,TLC检测反应完全,反应液用旋转蒸发仪蒸去乙醇,水相中滴加浓盐酸调至PH<7,过滤所得产品采用硅胶柱分离(石油醚:乙酸乙酯5:1),得化合物式Ⅳ-12(30mg),产率33%。
化合物(式Ⅳ-12)1H-NMR(400MHz,DMSO)δ(ppm)12.09(s,1H),6.63(s,1H),4.31-4.32(d,1H),3.00-2.97(dd,1H),1.98(s,3H),1.12(s,3H),0.96-0.90(m,9H),0.83(s,3H),0.69(s,3H);13C-NMR(100MHz,DMSO)δ(ppm)168.81,141.99,134.30,133.48,127.38,76.72,50.01,49.75,49.34,44.02,38.50,36.52,35.74,35.16,34.50,30.48,30.37,28.07,27.65,27.54,25.97,24.94,23.99,20.47,18.96,18.30,17.85,15.79,15.52,12.10.
化合物11 80mg(0.15mmol)溶于甲醇中,加入20%钯碳,在氢气中室温下搅拌过夜,TLC检测反应完全,反应液用硅藻土过滤,旋转蒸发仪蒸干后所得产品溶于乙醇/水(3ml/1.5ml),加入KOH(3.0eq),120℃加热过夜,TLC检测反应完全,反应液用旋转蒸发仪蒸去乙醇,水相中滴加浓盐酸调至PH<7,过滤所得产品采用硅胶柱分离(石油醚:乙酸乙酯5:1),得化合物式Ⅳ-11(20mg),总产率29%。
化合物(式Ⅳ-11)1H-NMR(400MHz,DMSO)δ(ppm)3.02-2.98(dd,1H),2.31-2.28(t,1H),1.98(s,3H),1.03-1.02(d,3H),0.91-0.89(d,3H),0.85-0.83(m,3H),0.69(s,3H);
化合物11 100mg(0.19mmol)溶于无水DCM,在冰浴中缓慢滴加DIBAL(5.0eq),在氮气条件下反应3h,反应液中缓慢滴加甲醇中和剩余DIBAL,旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯10:1),得化合物IV-9(68mg),产率85%。
化合物1H-NMR(400MHz,CDCl3)δ(ppm)5.41-5.38(t,1H),4.00(s,2H),3.25-3.21(dd,1H),1.06-0.98(m,9H),0.93-0.92(d,3H),0.87(s,3H),0.80(s,3H),0.69(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)134.52,134.47,134.41,127.19,79.10,69.22,50.51,50.48,49.92,44.61,39.00,37.13,36.40,36.09,35.69,31.10,30.94,29.81,28.33,28.07,27.95,26.61,24.62,26.36,21.11,19.25,18.72,18.36,15.87,15.53,13.75.
化合物11(100mg)溶于THF(10ml)中,搅拌条件下加入四氢锂铝(2.0eq),反应在室温下搅拌6个小时。反应结束后,向反应液滴加甲醇,中和未反应的四氢锂铝,硅藻土过滤,然后用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(二氯甲烷:甲醇5:1),得化合物式Ⅳ-8,产率80%。
化合物(式Ⅳ-8)1H-NMR(400MHz,CDCl3)δ(ppm)3.52-3.48(m,1H),3.44-3.39(m,1H),3.25-3.21(m,1H),0.68(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)134.5,79.1,68.7,68.5,50.6,50.5,49.9,44.6,39.0,37.2,36.7,36.6,36.5,36.0,35.7,33.8,33.7,31.1,31.0,29.8,28.4,28.1,28.0,26.6,24.4,21.1,19.3,18.9,18.8,18.4,16.9,16.6,15.9,15.6
实施例5、式Ⅳ-9和式Ⅳ-10所示化合物的制备
反应方程式如下所示:
化合物12 400mg(0.8mmol)溶于DCM中,将前处理后的叶立徳试剂加入反应液中,氮气保护室温下搅拌4h,旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯30:1),得化合物13(436mg),产率95%。
化合物13 1H-NMR(400MHz,CDCl3)δ(ppm)5.01-4.85(m,1H),3.67(d,J=7.7Hz,1H),1.21(s,6H),1.05(s,3H),1.03(s,3H),0.92-0.88(m,9H),0.69(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)134.7,133.9,91.5(d,J=167.1Hz,1C),76.7,71.2,50.5,50.0,44.6,44.5,43.5,38.8,38.7,38.6,38.5,36.8,36.6,35.8,35.6,31.0,30.9,29.8,29.5,29.4,28.3,28.2,26.1,24.4,21.9,21.3,21.26,20.3,18.8,17.9,15.8.
Figure BDA0001287131450000171
化合物13 140mg(0.25mmol)溶于乙醇/水(4ml/2ml)中,加入KOH(3.0eq),120℃加热过夜,TLC检测反应完全,反应液用旋转蒸发仪蒸去乙醇,水相中滴加浓盐酸调至PH<7,过滤所得产品采用硅胶柱分离(石油醚:乙酸乙酯5:1),得化合物IV-10(反式,24.4mg),产率22%。
化合物(式Ⅳ-10)1H-NMR(400MHz,CDCl3)δ(ppm)6.83-6.76(td,1H),5.77-5.73(d,1H,J=15.2Hz),4.33-4.31(d,1H),3.02-2.97(dd,1H),1.15-1.11(t,3H),0.97-0.88(m,9H),0.84(s,3H),0.70(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)167.12,149.37,134.29,133.47,121.64,76.71,66.97,50.00,49.77,49.33,44.02,38.49,36.50,35.58,35.15,34.09,30.35,28.30,28.07,27,59,27.53,25.96,23.99,20.46,18.95,18.23,17.84,15.79,15.52.
化合物13 50mg(0.09mmol)溶于甲醇中,加入20%钯碳,在氢气中室温下搅拌过夜,TLC检测反应完全,反应液用硅藻土过滤,旋转蒸发仪蒸干后所得产品溶于乙醇/水(3ml/1.5ml),加入KOH(3.0eq),120℃加热过夜,TLC检测反应完全,反应液用旋转蒸发仪蒸去乙醇,水相中滴加浓盐酸调至PH<7,过滤所得产品采用硅胶柱分离(石油醚:乙酸乙酯5:1),得化合物IV-9(反式,10mg),总产率25%。
化合物(式Ⅳ-9)1H-NMR(400MHz,CDCl3)δ(ppm)4.32-4.31(d,1H),3.01-2.96(dd,1H),2.19-2.16(t,2H),1.14-1.09(t,3H),1.02-0.89(m,9H),0.85-0.83(m,7H),0.69(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)174.50,133.53,76.75,50.04,49.90,49.36,43.99,38.52,36.54,35.71,35.36,35.19,33.70,30.52,30.38,28.10,27.70,27.56,26.00,25,16,24.94,24.03,20.50,18.98,18.49,17.87,15.82,15.55.
实施例6、式Ⅳ-7和式Ⅵ-1所示化合物的制备
反应方程式如下所示:
25-hydro-lanosterol(224mg),Rh2(OAc)4(8mg,5%)和重氮乙酸乙酯溶于10mL二氯甲烷中,反应液在密封管中加热到40摄氏度,反应12h。所得反应液用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯20:1),得化合物投入到MeOH/H2O(2mL/1mL)中,加入5个当量碳酸钾,加入到80摄氏度,反应5h。化合物用DCM萃取,无水碳酸钠干燥,然后再旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(二氯甲烷:甲醇50:1),得化合物式Ⅵ-1和式Ⅳ-7,产率分别为20%和30%。
化合物(Ⅵ-1)1H-NMR(400MHz,CD3OD/CDCl3(2:1))δ(ppm)4.13-4.01(m,2H),2.90(d,J=9.9Hz,1H),1.15(s,6H),1.01(s,3H),0.96(s,3H),0.87-0.82(m,8H),0.66(s,3H);13C-NMR(100MHz,CD3OD/CDCl3(2:1))δ(ppm)134.4,88.5,70.8,67.1,50.8,50.5,49.7,44.4,44.1,38.9,36.9,36.7,36.4,35.4,30.9,30.7,28.6,28.4,28.1,27.8,26.4,24.1,23.2,21.1,20.9,19.0,18.5,18.0,16.0,15.6.
化合物(式Ⅳ-7)H1H-NMR(400MHz,CD3OD/CDCl3(2:1))δ(ppm)3.94(s,2H),3.18-3.14(m,1H),1.15(s,6H),0.94(s,6H),0.86(d,J=6.2Hz,3H),0.84(s,3H),0.76(s,3H),0.65(s,3H);13C-NMR(100MHz,CD3OD/CDCl3(2:1))δ(ppm)134.4,134.3,78.6,50.4,50.3,49.6,44.3,40.2,38.7,36.8,36.5,36.3,35.5,30.8,30.6,29.5,28.1,27.6,27.2,26.3,24.9,24.0,20.8,18.9,18.4,18.1,15.5,15.2.
Figure BDA0001287131450000181
实施例7、式Ⅳ-16、式Ⅳ-18和式Ⅳ-19所示化合物的制备
反应方程式如下所示:
化合物14(215mg)溶于THF(10ml)中,搅拌条件下加入四氢锂铝(38mg,2.0eq),反应在室温下搅拌6个小时。反应结束后,向反应液滴加甲醇,中和未反应的四氢锂铝,硅藻土过滤,然后用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(二氯甲烷:甲醇5:1),得化合物式Ⅳ-19,产率90%。
化合物式Ⅳ-19:1H-NMR(400MHz,CDCl3)δ(ppm)3.64(m,t,J=6.6Hz,2H),3.25-3.21(m,1H),1.00(s,3H),0.98(s,3H),0.87(s,3H),0.81(s,3H),0.68(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)134.53,79.13,63.25,50.57,50.53,49.94,44.59,39.02,37.15,36.51,36.31,35.72,33.03,31.11,30.97,28.36,28.10,27.98,26.63,26.35,26.28,24.40,21.14,19.28,18.84,18.39,15.88,15.56.
Figure BDA0001287131450000191
三苯基膦(262mg,1.0eq),咪唑(75mg,1.1eq)溶于20mLDCM中,碘(252mg,1.0eq)加入到上述溶液中,搅拌至碘被完全消耗,形成黄色的悬浊液(大约需要20分钟),之后化合物14H(431mg)加入到上述溶液中,室温搅拌过夜,化合物用DCM萃取,无水碳酸钠干燥,然后再旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯50:1),得化合物式14-I,产率为50%。
化合物式14-I:1H-NMR(400MHz,CDCl3)δ(ppm)3.24-3.1(m,3H),0.80(s,3H),0.68(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)134.53,134.49,79.07,50.53,49.92,44.59,39.00,37.13,36.47,36.10,35.72,33.76,31.12,30.96,28.34,28.10,27.97,26.63,25.40,24.39,21.12,19.27,18.82,15.88,15.55,7.42.
化合物14-I(30mg)溶于乙醇/THF/5%亚硫酸钠(2ml/2mL/2mL)混合溶液中,用密封管密封,加热到100摄氏度,反应过夜。反应液用旋转蒸发仪蒸干,所得产品采用硅胶柱分离(DCM:甲醇8:1),得化合物(式Ⅳ-16)(26mg),产率95%。
化合物式Ⅳ-16:1H-NMR(400MHz,DMSO-d6)δ(ppm)4.30(s,d,J=4.4Hz,1H),3.16(d,J=4.8Hz,1H),3.00-2.99(m,1H),0.69(s,3H),0.65(s,3H);13C-NMR(100MHz,DMSO-d6)δ(ppm)134.80,134.05,77.25,52.07,50.48,49.86,44.49,39.01,37.03,36.33,36.07,31.04,30.88,29.42,28.59,28.23,28.06,26.49,26.05,25.64,24.53,20.99,19.47,19.04,18.37,16.31,16.06.
实施例8、式Ⅳ-5所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000201
化合物15(50mg)溶于DCM,DMP(50mg,1.2eq)加入到反应体系中,室温搅拌5小时,反应液用饱和碳酸氢钠溶液洗涤,无水碳酸钠干燥,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯10:1),得化合物16(43mg),产率85%。
1H-NMR(400MHz,CDCl3)δ(ppm)4.51-4.47(m,1H),2.60-2.43(m,2H),2.04(s,3H),1.38(s,6H),1.00(s,3H),0.91-0.88(m,12H),0.68(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)215.2,171.2,134.5,134.4,81.0,76.3,50.6,50.5,50.0,44.7,37.9,37.0,36.2,35.4,32.7,31.1,30.9,30.3,28.3,28.0,26.7,26.5,24.4,24.3,21.5,21.1,19.3,18.6,18.2,16.7,15.9.
化合物16溶于10%的氢氧化钾乙醇溶液中,90℃,反应两个小时,反应结束后,乙醇溶液在旋转蒸发仪上蒸干,加入稀盐酸调节PH值到酸性,用DCM萃取,有机相用无水碳酸钠干燥,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯5:1),得化合物式Ⅳ-5(43mg),产率90%。
化合物式Ⅳ-5:1H-NMR(400MHz,CDCl3)δ(ppm)3.25-3.22(m,1H),2.57-2.48(m,2H),1.00(s,3H),0.98(s,3H),0.91-0.88(m,10H),0.81(s,3H),0.69(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)215.1,134.6,134.5,79.1,76.4,50.60,50.57,50.0,44.7,39.1,37.2,36.3,35.8,32.8,32.1,31.2,31.0,30.4,29.9,29.5,28.3,28.1,26.72,26.67,24.4,22.8,21.2,19.3,18.6,18.4,15.9,15.6,14.3
实施例9、式Ⅳ-3和式Ⅳ-2合物的制备
反应方程式如下所示:
化合物17(60mg),三氯乙腈糖供体(130mg,1.3eq)和活化过的3A分子筛溶于无水二氯甲烷中,氮气保护,在冰浴条件下,加入(3uL,10%)的TMSOTf,室温搅拌1h。加入1当量三乙胺中和未反应的原料。反应液用饱和碳酸氢钠溶液洗涤,无水碳酸钠干燥,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯10:1),得化合物18(118mg),产率85%
1H-NMR(400MHz,CDCl3)δ(ppm)8.00(d,J=7.7Hz,2H),7.94(d,J=7.7Hz,2H),7.90(d,J=7.7Hz,2H),7.82(d,J=7.7Hz,2H),7.55-7.50(m,3H),7.44-7.33(m,10H),7.30-7.26(m,2H),5.92(t,J=9.7Hz,1H),5.58(t,J=9.7Hz,1H),5.50(t,J=8.4Hz,1H),5.00(d,J=7.9Hz,2H),4.60-4.56(m,1H),4.50-4.45(m,1H),4.19-4.15(m,1H),2.62-2.54(m,1H),2.42-2.37(m,1H),1.20(s,6H),1.12(s,3H),1.09(s,3H),1.06(s,3H),0.84(s,3H),0.72(d,J=6.1Hz,3H),0.67(s,3H).
Figure BDA0001287131450000211
化合物18(100mg)溶于甲醇(5mL),硼氢化钠(10mg)加入到反应体系中,室温下搅拌30分钟,反应液用饱和碳酸氢钠溶液洗涤,无水碳酸钠干燥,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯5:1),得化合物式Ⅳ-3(95mg),产率95%。
化合物式Ⅳ-3:1H-NMR(400MHz,CDCl3)δ(ppm)8.00(d,J=7.7Hz,2H),7.94(d,J=7.7Hz,2H),7.90(d,J=7.7Hz,2H),7.82(d,J=7.7Hz,2H),7.55-7.50(m,3H),7.44-7.33(m,10H),7.30-7.26(m,2H),5.92(t,J=9.7Hz,1H),5.58(t,J=9.7Hz,1H),5.50(t,J=8.4Hz,1H),5.00(d,J=7.9Hz,2H),4.60-4.56(m,1H),4.50-4.49(m,1H),4.17-4.15(m,1H),3.24-3.22(m,1H),0.64(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)166.21,165.9,165.4,165.0,134.49,133.52,133.28,133.18,129.93,129.87,129.79,129.73,129.55,129.00,128.92,128.52,128.44,128.41,128.38,95.91,79.06,78.92,73.25,72.14,72.10,70.32,63.81,50.61,50.50,49.86,44.51,42.84,38.99,37.10,36.69,36.50,35.70,31.05,30.91,28.28,28.07,27.95,27.19,26.59,25.31,24.37,21.09,20.70,19.25,18.64,18.35,15.85,15.54.
化合物式Ⅳ-3(58mg)溶于DCM/MeOH(1:3)溶液中,加入甲醇钠(6mg),室温反应3h,反应液用饱和碳酸氢钠溶液洗涤,二氯甲烷萃取,无水碳酸钠干燥,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯5:1),得化合物式Ⅳ-2(28mg),产率80%。
化合物式Ⅳ-2:1H-NMR(400MHz,CD3OD/CDCl3(2:1))δ(ppm)4.43(d,J=7.7Hz,1H),3.79-3.77(m,1H),3.70-3.66(m,1H),3.38-3.35(m,2H),3.24-3.23(m,1H),3.18-3.14(m,2H),0.85(s,3H),0.77(s,3H),0.67(s,3H);13C-NMR(100MHz,CD3OD/CDCl3(2:1))δ(ppm)135.05,134.91,97.67,79.10,79.00,77.22,76.32,74.25,70.94,62.41,51.16,51.06,50.32,49.63,48.36,45.00,42.90,39.34,37.51,37.35,37.07,36.24,31.55,31.32,30.14,28.74,28.24,27.82,27.01,26.72,26.37,24.55,21.49,19.44,19.00,18.78,16.09,15.80.
实施例10、式Ⅳ-17所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000221
化合物19(50mg)溶于四氢呋喃溶液,顺丁烯二酸甲酯(1.2eq)和三正丁基膦相继加入到反应体系中,室温搅拌4小时反应液用饱和碳酸氢钠溶液洗涤,无水碳酸钠干燥,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯10:1),得化合物20,产率65%(Z/E构型9:1)。化合物20溶于10%的氢氧化钾乙醇溶液中,90℃加热,反应2个小时,反应结束后,乙醇溶液在旋转蒸发仪上蒸干,加入稀盐酸调节PH值到酸性,用DCM萃取,有机相用无水碳酸钠干燥,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(二氯甲烷:甲醇,20:1),得化合物IV-17产率90%。
化合物式Ⅳ-17:1H-NMR(400MHz,DMSO-d6)δ(ppm)12.20(s,1H),6.75(t,J=7.5Hz,1H),4.32(d,J=4.7Hz,1H),3.18(s,2H),3.02-2.97(m,1H),0.69(s,3H),0.65(s,3H);13C-NMR(100MHz,DMSO-d6)δ(ppm)171.97,168.09,144.48,134.32,133.53,126.42,76.76,50.04,49.76,49.38,44.06,38.53,36.55,35.72,35.20,34.51,31.94,30.50,30.41,28.11,27.63,27.57,26.01,25.13,24.03,20.51,18.99,18.32,17.89,15.83,15.57.
实施例11、式Ⅳ-21所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000231
化合物21溶于THF中,N-羟基琥珀酰亚胺(1.5当量)和DCC(1.5当量)加入到反应体系中,室温搅拌12小时,反应也采用二氯甲烷和饱和碳酸氢钠萃取,有机相用无水碳酸钠干燥,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯,10:1),得化合物22,产率80%。化合物22溶于甲醇之中,盐酸羟胺(10当量)和醋酸钠(10当量)加入到反应体系中。室温反应过夜,旋转蒸发仪蒸干溶剂,采用硅胶柱分离(DCM/MeOH 20:1),得到化合物IV-21,产率80%。
化合物式Ⅳ-21:1H-NMR(400MHz,DMSO-d6)δ(ppm)12.20(s,1H),6.75(t,J=7.5Hz,1H),4.32(d,J=4.7Hz,1H),3.18(s,2H),3.02-2.97(m,1H),0.69(s,3H),0.65(s,3H);13C-NMR(100MHz,DMSO-d6)δ(ppm)171.97,168.09,144.48,134.32,133.53,126.42,76.76,50.04,49.76,49.38,44.06,38.53,36.55,35.72,35.20,34.51,31.94,30.50,30.41,28.11,27.63,27.57,26.01,25.13,24.03,20.51,18.99,18.32,17.89,15.83,15.57.
实施例12、式Ⅳ-24所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000241
化合物23溶于1mL甲苯溶液中,吡啶(50当量)、醋酸酐(50当量)和三氧化硫吡啶(3当量)加入到反应溶剂中,60℃反应4小时,随后过滤得到白色固体即为磺酸衍生物的吡啶盐。所得吡啶盐化合物24(66mg,0.1mmol)溶于DCM(3mL)中,在反应体系中加入Et3N(304uL,20.0eq),反应液在室温下搅拌4h。旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(二氯甲烷:甲醇10:1),得产物式Ⅳ-24(16mg),产率20%。
1H-NMR(400MHz,CDCl3)δ(ppm)3.95-3.91(dd,J=15.6Hz,J=3.6Hz,1H),3.24-3.18(q,10H),1.33-1.29(t,18H),0.94-0.92(t,6H),0.86(d,3H),0.74(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)135.83,135.76,87.51,85.73,52.40,51.97,50.99,47.92,45.68,44.05,39.62,38.05,37.79,36.70,32.27,31.88,29.26,28.67,27.53,26.90,25.82,24.64,22.07,21.97,19.62,19.38,19.21,16.76,16.31.
实施例13、式Ⅴ-1所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000242
化合物25(44mg)、三氯乙腈糖供体(185mg,2.5eq)和活化过的3A分子筛(100mg)溶于无水二氯甲烷(10ml)中,氮气保护,室温搅拌30min。在冰浴条件下,加入(4uL,20%)的TMSOTf,室温搅拌1h。加入1当量三乙胺中和未反应的原料。反应液用饱和碳酸氢钠溶液洗涤,无水碳酸钠干燥,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯10:1),得化合物26(133mg),产率80%。
1H-NMR(400MHz,CDCl3)δ(ppm)8.09-7.82(m,14H),7.57-7.28(m,26H),5.92(td,J=9.7Hz,J=2.2Hz,2H),5.58(t,J=9.5Hz,3H),5.51(t,J=8.3Hz,1H),5.00(t,J=7.8Hz,1H),4.86(d,J=7.9Hz,1H),4.61-4.45(m,4H),4.16-4.09(m,3H),3.13-3.09(m,1H),0.80(s,3H),0.74(d,J=6.0Hz,3H),0.66(s,3H),0.61(s,3H)
化合物26(100mg)溶于DCM/MeOH(1:3)溶液中,加入甲醇钠(6mg),室温反应12h,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(甲醇:二氯甲烷10:1),得化合物式Ⅴ-1(39mg),产率80%。
1H-NMR(400MHz,CD3OD/CDCl3(2:1))δ(ppm)4.43(d,J=7.7Hz,1H),4.31(d,J=7.7Hz,1H),3.80-3.69(m,4H),3.39-3.35(m,3H),3.24(s,3H),3.18-3.16(m,2H),1.03(s,3H),0.97(s,3H),0.88-0.84(m,12H),0.67(s,3H)
实施例14、式Ⅴ-3所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000251
化合物27(1.0当量)、乙酰氯(5.0当量)、三乙胺(5.0当量)和DMAP(0.25当量)溶于适量DCM中,室温搅拌反应24小时。反应完成后采用二氯甲烷萃取所得产物,饱和碳酸氢钠洗涤。无水碳酸钠干燥,然后用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯50:1),得化合物28,产率为50%。所得化合物(1.0当量)和硼氢化钠(2.0当量)溶解到适量甲醇中,室温搅拌1小时,旋干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯50:1),得化合物29,产率为90%。
1H-NMR(400MHz,CDCl3)δ(ppm)3.25-3.21(m,1H),1.96(s,3H),1.42(s,6H),1.00(s,3H),0.98(s,3H),0.81(s,3H),0.69(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)170.6,134.6,82.7,79.1,50.7,50.6,50.0,44.7,41.3,39.0,37.2,36.6,36.5,35.8,31.2,31.0,29.8,28.4,28.1,28.0,26.7,26.2,24.4,22.6,21.2,20.8,19.3,18.8,18.4,15.9,15.6.
化合物29(1.0当量)、三氯乙腈糖供体(2.0当量)和活化过的3A分子筛溶于无水二氯甲烷中,氮气保护,室温搅拌30min。在冰浴条件下,加入(20%)的TMSOTf,室温搅拌1h。加入1当量三乙胺中和未反应的原料。反应液用饱和碳酸氢钠溶液洗涤,无水碳酸钠干燥,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯10:1),得化合物30,产率80%。所得化合物30(1.0当量)溶于DCM/MeOH(1:3)溶液中,加入甲醇钠(5当量),室温反应12h,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(甲醇:二氯甲烷10:1),得化合物31,产率80%。
1H-NMR(400MHz,CD3OD/CDCl3(2:1))δ(ppm)4.30(d,J=7.8Hz,1H),3.80-3.59(m,4H),3.38-3.37(m,2H),3.23(s,2H),3.14-3.13(m,1H),1.93(s,3H),0.64(s,3H).13C-NMR(100MHz,CD3OD/CDCl3(2:1))δ(ppm)170.7,133.8,104.5,89.4,82.4,75.8,74.9,73.5,69.6,61.3,50.1,49.9,49.1,48.9,48.6,48.4,48.2,48.0,47.8,47.6,43.8,40.5,38.5,36.1,35.8,35.7,35.0,30.4,30.1,29.0,27.5,27.0,25.9,25.8,25.2,23.5,21.7,20.3,20.0,18.4,17.9,17.4,15.5.
化合物31(1当量)溶于水/甲醇/THF(1:1:2)的混合溶液中,氢氧化锂(2.0当量)加入到反应体系中,反应55摄氏度搅拌24小时。采用旋转蒸发仪旋干溶剂,所得产品采用硅胶柱分离(DCM/MeOH 10:1),得化合物式Ⅴ-3,产率为56%。
1H-NMR(400MHz,CD3OD/CDCl3(2:1))δ(ppm)3.85-3.52(m,3H),3.45-3.39(m,2H),3.29(s,2H),3.19-3.15(m,1H),0.69(s,3H).
实施例15、式Ⅴ-4所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000271
化合物IV-10(1.0当量)、碘甲烷(2.0当量)、碳酸钾(2.0当量)和DMF加入到圆底烧瓶中,50℃搅拌过夜,采用二氯甲烷萃取所得产物,水洗除去DMF。无水碳酸钠干燥,然后用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯50:1),得化合物32,产率为80%。
1H-NMR(400MHz,CDCl3)δ(ppm)6.99-6.95(m,1H),5.81(d,J=15.6Hz,1H),3.71(s,3H),3.26-3.18(m,1H),0.68(s,3H).
化合物32(1.0当量)、三氯乙腈糖供体(1.3当量)和活化过的3A分子筛溶于无水二氯甲烷中,氮气保护,在冰浴条件下,加入TMSOTf(0.1当量),室温搅拌1h。加入1当量三乙胺中和未反应的原料。反应液用饱和碳酸氢钠溶液洗涤,无水碳酸钠干燥,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯10:1),得化合物33,产率70%。随后该化合物33(1.0当量)溶于DCM/MeOH(1:3)溶液中,加入甲醇钠(5当量),室温反应3h,反应液用饱和碳酸氢钠溶液洗涤,二氯甲烷萃取,无水碳酸钠干燥,然后再用旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯5:1),得化合物34产率81%。
化合物34:1H-NMR(400MHz,CD3OD/CDCl3(2:1))δ(ppm)6.99-6.95(m,1H),5.81(d,J=15.6Hz,1H),3.79-3.77(m,1H),3.71(s,3H),3.70-3.66(m,1H),3.38-3.35(m,2H),3.24-3.23(m,3H),3.18-3.14(m,1H),0.67(s,3H);13C-NMR(100MHz,CD3OD/CDCl3(2:1))δ(ppm)167.7,150.8,134.4,134.2,120.3,105.1,90.0,76.4,75.5,74.0,70.1,61.9,51.4,50.6,50.2,49.7,44.4,39.0,36.6,36.1,35.5,34.4,30.9,30.7,29.6,29.2,28.1,27.6,26.5,26.3,24.1,20.9,19.0,18.3,18.0,16.1,15.6.
化合物34(1.0当量)溶于甲醇/THF/水(1/2/1)的混合溶剂中,氢氧化锂(2.0当量)加入到上述溶液中,55摄氏度反应6小时。反应结束后加入1M盐酸调节溶液pH值至酸性,过滤得到白色固体。所得固体采用反相填料柱分离纯化(Daisogel,SP-120-50-ODS RPS)。
化合物式Ⅴ-4:1H-NMR(400MHz,DMSO-d6)δ(ppm)6.29-6.18(m,1H),5.68(d,J=15.6Hz,1H),4.14(d,J=5.6Hz,1H),3.68-3.62(m,1H),3.18-2.95(m,7H),0.84(s,3H),0.67(s,3H)
实施例16、式Ⅶ所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000281
将250mg豆甾醇(式35所示)溶于5ml吡啶中,加入116mg TsCl,8mg DMAP催化,室温下搅拌12h后,TLC监测反应完全。用饱和碳酸氢钠水溶液、二氯甲烷萃取,分离有机相,旋转蒸干,硅胶色谱柱分离纯化得到190mg化合物式36。
1H-NMR(400MHz,CDCl3)δ(ppm)7.79(d,J=8.24Hz,2H),7.32(d,J=8.08Hz,2H),5.29-5.29(m,1H),5.14-5.10(m,1H),5.04-4.97(m,1H),2.46-2.39(m,4H),2.28-2.23(m,1H),2.04-1.91(m,4H),0.67(s,3H);
13C-NMR(100MHz,CDCl3)δ(ppm)144.5,138.9,138.4,134.8,134.8,129.8,129.4,127.7,123.6,82.46,56.8,56.0,51.3,50.0,42.3,40.6,39.6,39.0,37.0,36.6,36.4,32.0,31.9,31.8,29.0,28.7,25.5,24.4,21.7,21.3,21.2,21.1,19.2,19.1,12.4,12.1;
将190mg化合物式36溶于5ml甲醇中,加入190mg醋酸钾,加热回流3小时。TLC监测反应完全。用饱和碳酸氢钠水溶液、二氯甲烷萃取,分离有机相,旋转蒸干,硅胶色谱柱分离纯化得到109mg化合物式37。
1H-NMR(400MHz,CDCl3)δ(ppm)5.18-5.12(m,1H),5.04-4.98(m,1H),3.32(s,3H),2.76(dd,J=2.5Hz,J’=2.5Hz,1H),0.74(s,3H),0.66(dd,J=4.5,J’=4.5Hz,1H),0.44(dd,J=8.0Hz,J’=5.0Hz,1H)
13C-NMR(100MHz,CDCl3)δ(ppm)138.4,129.2,82,4,56.7,56.6,56.1,51.3,48.1,43.4,42.7,40.6,40.2,35.3,35.0,33.4,31.9,30.5,29.1,25.4,25.0,24.3,22.8,21.5,21.2,21.1,19.3,19.0,13.1,12.5,12.3.
Figure BDA0001287131450000291
将70mg化合物式37溶于4ml二氯甲烷中,冰浴下加入33mg间氯过氧苯甲酸,15mg碳酸氢钠搅拌10分钟,然后允许恢复室温搅拌12小时。12小时后TLC监测反应完全,加入1ml水终止反应。用饱和碳酸氢钠水溶液、二氯甲烷萃取,分离有机相,旋转蒸干,硅胶色谱柱分离纯化得到42mg化合物式38。
将化合物式38溶于5m1 1,4-二氧六环水溶液中(1,4-二氧六环:水=4:1),加入一水合对甲苯磺酸5mg,80℃下搅拌10小时,TLC监测反应完全,用饱和碳酸氢钠水溶液、二氯甲烷萃取,分离有机相,旋转蒸干,硅胶色谱柱分离纯化得到20mg化合物式Ⅶ。
1H-NMR(400MHz,CDCl3)δ(ppm)5.35(d,J=4.80Hz,1H),3.56-3.50(m,1H),2.74(dd,J1=7.04Hz,J2=2.00Hz,1H),2.49(d,J=3.56Hz,1H),0.68(s,3H);
13C-NMR(100MHz,CDCl3)δ(ppm)140.93,121.72,71.92,62.28,56.50,53.56,50.21,48.45,42.78,42.41,39.70,38.86,37.37,36.63,32.00,31.78,29.29,28.09,24.70,21.17,21.00,20.34,19.70,19.54,16.36,12.63,11.99.
实施例17、式Ⅷ所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000292
将90.5mg化合物式38溶于5ml二氯甲烷中,冰浴下加入120mg三氯化铝,90m四氢铝锂搅拌10分钟,然后置于80℃下搅拌2小时,TLC监测反应完全,加入1ml水终止反应。用饱和碳酸氢钠水溶液、二氯甲烷萃取,分离有机相,旋转蒸干,硅胶色谱柱分离纯化得到70mg化合物式39。
将化合物式39溶于5ml 1,4-二氧六环水溶液中(1,4-二氧六环:水=4:1),加入一水合对甲苯磺酸16mg,80℃下搅拌10小时,TLC监测反应完全,用饱和碳酸氢钠水溶液、二氯甲烷萃取,分离有机相,旋转蒸干,硅胶色谱柱分离纯化得到30mg式Ⅷ所示化合物。
1H-NMR(400MHz,CDCl3)δ(ppm)5.34(s,1H),3.91(t,J=6.66Hz,1H),3.56-3.48(m,1H),2.32-2.19(m,2H),0.06(s,3H);
13C-NMR(100MHz,CDCl3)δ(ppm)140.89,121.79,71.91,70.76,57.06,56.84,50.20,49.37,42.67,42.54,42.42,39.91,37.37,36.62,34.34,32.00,31.78,28.74,28.62,24.42,21.28,21.20,19.56,18.47,13.99,11.96.
实施例18、式Ⅸ和式Ⅹ所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000301
将106mg化合物40于5ml THF中,于冰浴条件下缓慢加入90mg四氢铝锂,加完后允许恢复至室温并回流搅拌1.5小时,TLC监测反应完全,加入1ml水终止反应。用饱和碳酸氢钠水溶液、二氯甲烷萃取,分离有机相,旋转蒸干,硅胶色谱柱分离纯化得到90mg式Ⅸ所示化合物和13mg式Ⅹ所示化合物。
式Ⅸ所示化合物:1H-NMR(400MHz,CDCl3)δ(ppm)4.07-4.05(m,1H),2.71(d,J=6.76Hz,1H),2.47(d,J=8.68Hz,1H),1.97-1.81(m,5H),0.63(s,3H);
13C-NMR(100MHz,CDCl3)δ(ppm)75.39,67.34,63.22,62.24,58.65,56.21,55.88,53.58,53.54,48.86,48.38,45.99,45.90,44.00,43.15,43.11,40.02,39.90,38.98,38.88,38.80,34.83,34.50,30.95,30.91,29.41,29.22,28.05,27.19,26.02,24.46,24.42,21.45,21.40.21.02,20.96,20.29,19.66,19.55,19.45,16.33,16.25,12.57,12,47,12.36,12.21.
式Ⅹ所示化合物:1H-NMR(400MHz,CDCl3)δ(ppm)3.80(s,br,1H),3.69-3.60(m,1H),2.74(d,J=6.12Hz,1H),2.49(d,J=7.88Hz,1H),0.68-0.66(m,6H);
13C-NMR(100MHz,CDCl3)δ(ppm)72.15,71.85,67.49,63.25,62.78,58.71,57.16,56.31,55.91,54.44,54.36,48.93,48.45,47.52,46.00,43.17,40.18,39.97,39.80,39.04,38.76,38.67,35.54,34.54,34.37,31.65,31.03,30.94,30.53,29.75,29.48,29.30,27.22,26.06,24.62,24.23,21.49,21.21,21.09,20.31,20.06,19.58,19.51,18.49,16.42,15.93,12.53,12.39,12.24.
实施例19、式Ⅺ所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000311
将200mg豆甾醇35溶于7ml二氯甲烷中,于冰水浴条件下加入300mg间氯过氧酸(85%)和164mg碳酸氢钠,搅拌1小时后恢复至室温继续搅拌12小时,TLC监测反应完全。用饱和碳酸氢钠水溶液、二氯甲烷萃取,分离有机相,旋转蒸干,硅胶色谱柱分离纯化得到126mg式Ⅺ所示化合物,其中包含4种异构体。
1H-NMR(400MHz,CDCl3)δ(ppm)0.61(m,3H),0.95(m,3H),1.05(s,3H),2.91(d,J=4.3Hz,1H,),3.06(d,J=2.1Hz,1H),3.61-3.78(m,1H),3.81-3.99(m,1H);
13C-NMR(100MHz,CDCl3)δ(ppm)12.01,12.15,12.53,12.66,16.08,16.36,16.45,19.51,19.59,19.68,20.38,20.75,20.80,20.98,21.07,24.42,24.27,27.04,27.94,28.91,29.29,29.46,30.03,31.17,32.56,35.01,38.89,39.01,39.34,39.35,39.96,42.70,42.81,42.81,42.83,48.43,48.91,53.26,55.91,56.58,56.61,58.74,59.41,59.48,62.26,62.42,63.28,65.96,68.74,11.90,12.61,16.25,17.22,19.75,20.33,22.09,22.14,24.60,27.19,29.94,32.72,37.41,38.70,42.33,51.44,51.53,53.62,55.97,56.22,63.18,63.8,69.48.
实施例20、式Ⅻ所示化合物的制备
反应方程式如下所示:
Figure BDA0001287131450000312
化合物41(1.0当量)、醋酸钯(0.1当量)、碘苯二乙酸(2.0当量)和醋酸/醋酸酐的混合溶液加入到密封管中,将磁子加入到密封管中,密封后在80摄氏度反应,TLC检测反应进程,反应完成后,反应液用饱和碳酸氢钠溶液洗涤,无水硫酸钠干燥,旋转蒸发仪蒸干溶剂,所得产品采用硅胶柱分离(石油醚:乙酸乙酯10:1),得化合物式Ⅻ,产率50%。
1H-NMR(400MHz,CDCl3)δ(ppm)4.64(d,J=11.56Hz,1H),4.45(d,J=11.16Hz,1H),4.27(d,J=11.48Hz,1H),4.00(d,J=11.16Hz,1H),3.78(s,3H),2.04(s,3H),2.01(s,3H),0.78(s,3H);13C-NMR(100MHz,CDCl3)δ(ppm)171.1,170.9,157.2,135.2,133.5,71.2,65.1,64.0,61.7,50.6,50.0,47.1,45.8,44.6,44.5,36.8,36.7,36.6,34.4,31.1,31.0,29.5,29.3,28.3,26.5,24.3,21.3,21.2,21.1,21.0,19.2,19.0,18.8,16.0.
本测试例用到的部分实验材料来源:
高纯度羊毛甾醇(L5768)、胆固醇(C3045)、二甲基亚砜(D8418)、多聚甲醛、TritonX-100和NP-40(Nonidet P40)购买自Sigma公司。
DAPI-Fluoromount-G荧光封片剂(0100-20)购买自SouthernBiotech(SBA)。
Anti-p62抗体(ab56416)购买自Abcam公司。
羊毛甾醇粗品购买自TCI(C0427),纯度>50.0%(GC)。
细胞培养基、抗生素、转染试剂LipofectamineTM 2000均购买自Invitrogen公司。
Cell counting kit-8(CK04-500)购买自日本同仁化学。
其他未注明具体来源的化学试剂均为分析纯。
晶状体蛋白αA-Y118D、αB-R120G、βB2-V187E、γC-G129C和γD-W43R突变体为本研究组克隆构建,具体过程如下:
将DNA分子1插入pEGFP-N1载体(Clontech)的XhoⅠ和BamHⅠ酶切位点之间,得到重组质粒1。DNA分子1:将序列表的序列1所示的DNA分子的第354位核苷酸由T突变为G(相应的第118位氨基酸由Y突变为D)得到的DNA分子。序列表的序列1所示的DNA分子为CRY-αA的开放阅读框。
将DNA分子2插入pEGFP-N1载体(Clontech)的XhoⅠ和HindⅢ酶切位点之间,得到重组质粒2。DNA分子2:将序列表的序列2所示的DNA分子的第360位核苷酸由A突变为G(相应的第120位氨基酸由R突变为G)得到的DNA分子。序列表的序列2所示的DNA分子为CRY-αB的开放阅读框。
将DNA分子3插入pEGFP-N1载体(Clontech)的XhoⅠ和HindⅢ酶切位点之间,得到重组质粒3。DNA分子3:将序列表的序列3所示的DNA分子的第562位核苷酸由T突变为A(相应的第187位氨基酸由V突变为E)得到的DNA分子。序列表的序列3所示的DNA分子为CRY-βB2的开放阅读框。
将DNA分子4插入pEGFP-N1载体(Clontech)的XhoⅠ和HindⅢ酶切位点之间,得到重组质粒4。DNA分子4:将序列表的序列4所示的DNA分子的第387位核苷酸由G突变为T(相应的第129位氨基酸由G突变为C)得到的DNA分子。序列表的序列3所示的DNA分子为CRY-γC的开放阅读框。
将DNA分子5插入pEGFP-N1载体(Clontech)的Xho Ⅰ和HindⅢ酶切位点之间,得到重组质粒5。DNA分子5:将序列表的序列5所示的DNA分子的第129位核苷酸由T突变为C(相应的第43位氨基酸由W突变为R)得到的DNA分子。序列表的序列3所示的DNA分子为CRY-γD的开放阅读框。
HeLa(
Figure BDA0001287131450000332
CCL-2TM),人类晶状体上皮细胞HLE-B-3(
Figure BDA0001287131450000333
CRL-11421TM)均购买自ATCC细胞库,培养条件按ATCC公司所建议的条件进行。
本发明测试例中未注明具体条件的实验方法,通常按照常规条件。
实施例15、本发明化合物对晶状体蛋白突变体在细胞内聚集的影响
本实施例用以下方法来测定本发明化合物对晶状体蛋白αA-Y118D、αB-R120G、βB2-V187E、γC-G129C和γD-W43R突变体在HeLa细胞内聚集情况的影响。
测试中以溶剂DMSO为空白对照,Lanosterol(羊毛甾醇,如式A所示)为阳性对照,Cholesterol(胆固醇)为阴性对照,并测试了现有化合物C29(WO2014015024)和羊毛甾醇(WO2016029197A1和WO2016029199A1),作为本发明化合物的对照。具体方法如下:
Figure BDA0001287131450000331
(1)以晶状体蛋白αB-R120G突变体为研究模型研究本发明化合物的性能
晶状体蛋白αB-R120G突变体在细胞内发生错误折叠,形成显微镜下可见的聚集小体,如图1所示,其形成聚集小体的形态均一,聚集比例稳定,是研究化学药物缓解蛋白质错误折叠的理想模型。因此,本发明首先采用晶状体蛋白αB-R120G突变体为研究模型筛选有效的化合物。
具体实验方案如下:
将状态良好的HeLa细胞接种到预先已铺好细胞爬片的12孔板中,细胞密度40%~50%;培养24h左右,细胞密度80%左右,即可以进行细胞转染,具体操作按照Invitrogen公司的转染试剂LipofectamineTM2000所建议方案进行;转染4h后,换成DMEM新鲜培养基继续培养16h,这时晶状体蛋白αB-R120G突变体在细胞内已大量表达,形成一定比例的聚集小体;将细胞培养基换做opti-MEM,并加入本发明化合物,至终浓度为4uM;培养4h后,换成DMEM新鲜培养基,再培养4h;进行免疫荧光标片的制备:PBS洗细胞爬片3遍,4%多聚甲醛室温固定细胞30分钟,PBS洗细胞爬片3遍,0.4%Triton X-100室温孵育细胞爬片15分钟,PBS洗细胞爬片3遍,4%山羊血清室温封闭40分钟,p62抗体室温孵育1小时,PBS洗细胞爬片3遍,相应来源的荧光二抗室温孵育40分钟,PBS洗细胞爬片3遍,用DAPI-Fluoromount-G荧光封片剂封片,室温避光放置1小时左右;应用Zeiss 710三通道显微镜进行观察,采取单盲统计细胞内的聚集情况,分析本发明化合物的药效。
所有样品设三组平行实验,并对实验进行了三次重复,通过上述方法统计分析本发明化合物对晶状体蛋白αB-R120G突变体在HeLa细胞内聚集情况,结果如表1中所示。
表1中数据显示,本发明化合物对对晶状体蛋白αB-R120G突变体在HeLa细胞内形成的聚集现象具有缓解作用,尤其是式IV-9、式IV-10、式IV-12、式IV-13、式IV-22、式IV-23所示化合物对晶状体蛋白αB-R120G突变体在HeLa细胞内形成的聚集现象具有明显的缓解作用,相对于化合物C29和式A所示化合物具有更好的活性。
表1 本发明化合物对晶状体蛋白αB-R120G突变体在细胞内聚集影响的统计
化合物 聚集比例 化合物 聚集比例
DMSO 71.8 式Ⅳ-12 21.32
Lanosterol 46.82 式Ⅳ-13 26.58
Cholesterol 69.65 式Ⅳ-14 27.98
C29 29.67 式IV-15 26.5
式Ⅲ‐1 54.1 式IV-16 51.0
式Ⅲ‐2 44.6 式Ⅳ-17 61.6
式Ⅳ-1 36.1 式IV-18 33.1
式Ⅳ-2 43.84 式Ⅳ-19 41.6
式Ⅳ-3 73.7 式IV-20 33.6
式Ⅳ-4 61.4 式IV-22 21.3
式Ⅳ-5 36.6 式IV-23 28.1
式Ⅳ-6 31.2 式IV-24 29.0
式Ⅳ-7 34.4 式IV-25 36.5
式Ⅳ-8 24.8 式Ⅴ-1 31.7
式Ⅳ-9 21.52 式Ⅴ-2 43.4
式Ⅳ-10 21.36 式Ⅴ-3 57.3
式Ⅵ-1 69.96 式Ⅶ 64.83
式Ⅸ 74.6 式Ⅷ 65.3
式Ⅺ 64.1 式Ⅹ 57.6
式Ⅳ-11 25.44 式Ⅻ 36.8
(2)多种晶状体蛋白突变体中验证本发明化合物的有效性。
晶状体内的蛋白质突变后发生错误折叠,大多都会导致白内障疾病。因此,在多种晶状体蛋白突变体中验证本发明化合物的药效是否具有普遍效应对白内障疾病的治疗具有重要的意义。
除αB R120G突变体外,本发明选用了晶状体蛋白αB R120G、αA-Y118D、βB2-V187E、γC-G129C和γD-W43R突变体对初步筛选有效的药物做进一步验证。具体方案同药物筛选的过程。通过进一步的验证,如图2所示的结果表明,本发明式IV-9、式IV-10、式IV-13和式IV-23所示化合物在多种晶状体蛋白(αB R120G、αA-Y118D、βB2-V187E、γC-G129C和γD-W43R)突变体形成聚集的细胞模型中都具有明显的效果,而化合物C29仅对α晶状体蛋白(αBR120G和αA-Y118D))突变体形成聚集的细胞模型有效,因此本发明化合物相对于现有化合物C29具有更好的活性。
(3)初步标定本发明物的药效
本发明初步以晶状体蛋白αB-R120G突变体为研究模型,标定本发明式IV-9、式IV-10、式IV-13和式IV-23所示化合物的半效应浓度EC50值,如图3所示,所有化合对比已有化合物羊毛甾醇和C29均有很大程度的活性提高,例如羊毛甾醇EC50为1.4uM,式IV-10的EC50为5.5nM有着数量级上的提升,白内障疾病的药物治疗具有巨大的潜力。
实施例16、本发明化合物细胞毒性的检测
安全有效的药物是本发明的研究原则,本发明将进一步检测本发明式IV-9、式IV-10、式IV-13和式IV-23所示化合物对细胞是否具有细胞毒性。测试设立1个对照组,转染空载体的HLE-B3细胞;5个实验组,转染晶状体蛋白αA-Y118D、αB-R120G、βB2-V187E、γC-G129C和γD-W43R突变体的HLE-B3细胞,模拟不同晶状体蛋白突变导致的白内障疾病。
用以下方法检测本发明化合物对不同细胞株的细胞毒性:
将状态良好的HLE-B3细胞接种到12孔板中,细胞密度40%~50%;培养24h左右,细胞密度80%左右,即可以进行细胞转染,分别转染晶状体蛋白αA-Y118D、αB-R120G、βB2-V187E、γC-G129C和γD-W43R突变体,及一个空载对照组。具体操作按照Invitrogen公司的转染试剂LipofectamineTM 2000所建议方案进行;转染4h后,换成DMEM新鲜培养基继续培养16h,这时晶状体蛋白突变体在细胞内已大量表达;用0.25%胰酶(EDTA)消化吹散后,接种到96孔板,每孔2000细胞,继续培养12小时;将细胞培养基换做opti-MEM,并加入本发明化合物,设定两个浓度梯度,终浓度为5uM或50nM,孵育12小时;加入10μL CKK-8,孵育1小时,450nm测吸收值。
所有样品设三组平行实验,并对实验进行了三次重复,通过上述方法统计分析本发明化合物对正常晶状体上皮细胞以及转染各种晶状体蛋白突变体的细胞株均不存在细胞毒性,反而在一定程度上提高了细胞活力,结果如图4所示。
实施例17、本发明化合物的水溶性指数测定
本发明测试了化合物的油水分配系数(LogP和CLogP),各化合物的测试结果如下:
羊毛甾醇:LogP为8.17,CLogP为10.593。
化合物C29:LogP为5.98,CLogP为7.313。
式Ⅴ-4所示化合物:LogP为5.15。
式Ⅴ-1所示化合物:CLogP为6.4461。
由上述测试结果可以看出,本发明化合物中部分化合物较现有化合物(C29和羊毛甾醇)具有更好的水溶性。
因此,本发明提供的小分子化合物可以应用到预防或者治疗白内障的眼药水开发中,小分子好的溶解度会利于眼药水的配制。另外,好的溶解度会增加药物在白内障晶状体内的浓度,提高药物的功效。
序列表
<160> 5
<210> 1
<211> 522
<212> DNA
<213> 人工序列
<220>
<223>
<400> 1
ATGGACGTGA CCATCCAGCA CCCCTGGTTC AAGCGCACCC TGGGGCCCTT CTACCCCAGC 60
CGGCTGTTCG ACCAGTTTTT CGGCGAGGGC CTTTTTGAGT ATGACCTGCT GCCCTTCCTG 120
TCGTCCACCA TCAGCCCCTA CTACCGCCAG TCCCTCTTCC GCACCGTGCT GGACTCCGGC 180
ATCTCTGAGG TTCGATCCGA CCGGGACAAG TTCGTCATCT TCCTCGATGT GAAGCACTTC 240
TCCCCGGAGG ACCTCACCGT GAAGGTGCAG GACGACTTTG TGGAGATCCA CGGAAAGCAC 300
AACGAGCGCC AGGACGACCA CGGCTACATT TCCCGTGAGT TCCACCGCCG CTACCGCCTG 360
CCGTCCAACG TGGACCAGTC GGCCCTCTCT TGCTCCCTGT CTGCCGATGG CATGCTGACC 420
TTCTGTGGCC CCAAGATCCA GACTGGCCTG GATGCCACCC ACGCCGAGCG AGCCATCCCC 480
GTGTCGCGGG AGGAGAAGCC CACCTCGGCT CCCTCGTCCT AA 522
<210> 2
<211> 528
<212> DNA
<213> 人工序列
<220>
<223>
<400> 2
ATGGACATCG CCATCCACCA CCCCTGGATC CGCCGCCCCT TCTTTCCTTT CCACTCCCCC 60
AGCCGCCTCT TTGACCAGTT CTTCGGAGAG CACCTGTTGG AGTCTGATCT TTTCCCGACG 120
TCTACTTCCC TGAGTCCCTT CTACCTTCGG CCACCCTCCT TCCTGCGGGC ACCCAGCTGG 180
TTTGACACTG GACTCTCAGA GATGCGCCTG GAGAAGGACA GGTTCTCTGT CAACCTGGAT 240
GTGAAGCACT TCTCCCCAGA GGAACTCAAA GTTAAGGTGT TGGGAGATGT GATTGAGGTG 300
CATGGAAAAC ATGAAGAGCG CCAGGATGAA CATGGTTTCA TCTCCAGGGA GTTCCACAGG 360
AAATACCGGA TCCCAGCTGA TGTAGACCCT CTCACCATTA CTTCATCCCT GTCATCTGAT 420
GGGGTCCTCA CTGTGAATGG ACCAAGGAAA CAGGTCTCTG GCCCTGAGCG CACCATTCCC 480
ATCACCCGTG AAGAGAAGCC TGCTGTCACC GCAGCCCCCA AGAAATAG 528
<210> 3
<211> 617
<212> DNA
<213> 人工序列
<220>
<223>
<400> 3
ATGGCCTCAG ATCACCAGAC CCAGGCGGGC AAGCCACAGT CCCTCAACCC CAAGATCATC 60
ATCTTTGAGC AGGAAAACTT TCAAGGCCAC TCGCATGAGC TCAATGGGCC CTGCCCCAAC 120
CTGAAGGAAA CTGGCGTGGA GAAGGCAGGT TCTGTCCTAG TGCAGGCTGG ACCCTGGGTG 180
GGCTATGAAC AGGCCAACTG CAAGGGCGAG CAGTTTGTGT TTGAGAAGGG TGAGTACCCC 240
CGCTGGGACT CATGGACCAG CAGCCGAAGG ACGGACTCCC TCAGCTCCCT GAGGCCCATC 300
AAAGTGGACA GCCAAGAGCA CAAGATCATC CTCTATGAAA ACCCCAACTT CACCGGGAAG 360
AAGATGGAAA TCATAGATGA CGATGTACCC AGCTTCCACG CCCATGGCTA CCAGGAGAAG 420
GTGTCATCTG TGCGGGTGCA GAGTGGCACG TGGGTTGGCT ACCAGTACCC CGGCTACCGT 480
GGGCTGCAGT ACCTGCTGGA GAAGGGAGAC TACAAGGACA GCAGCGACTT TGGGGCCCCT 540
CACCCCCAGG TGCAGTCCGT GCGCCGTATC CGCGACATGC AGTGGCACCA ACGTGGTGCC 600
TTCCACCCCT C CAACTAG 617
<210> 4
<211> 524
<212> DNA
<213> 人工序列
<220>
<223>
<400> 4
ATGGGGAAGA TCACCTTCTA TGAGGACAGG GCCTTCCAGG GCCGCAGCTA CGAAACCACC 60
ACTGACTGCC CCAACCTGCA GCCGTATTTC AGCCGCTGCA ACTCCATCCG GGTGGAGAGC 120
GGCTGCTGGA TGCTCTATGA GCGTCCCAAC TACCAAGGTC AACAATACTT GCTGCGGCGA 180
GGGGAGTACC CCGACTACCA GCAATGGATG GGCCTCAGCG ACTCCATCCG CTCCTGTTGT 240
CTCATCCCCC AAACAGTCTC CCACAGGCTG CGGCTGTACG AGAGGGAAGA CCACAAAGGC 300
CTCATGATGG AGCTGAGTGA AGACTGCCCC AGCATCCAGG ACCGCTTCCA CCTCAGCGAG 360
ATCCGTTCCC TCCACGTGCT GGAGGGCTGC TGGGTCCTCT ACGAGCTGCC CAACTACCGG 420
GGGCGGCAAT ACCTGCTGAG GCCCCAAGAG TACAGGCGGT GCCAGGACTG GGGGGCCATG 480
GATGCTAAGG CAGGCTCTTT GCGGAGAGTG GTGGATTTGTA TTAA 524
<210> 5
<211> 525
<212> DNA
<213> 人工序列
<220>
<223>
<400> 5
ATGGGGAAGA TCACCCTCTA CGAGGACCGG GGCTTCCAGG GCCGCCACTA TGAATGCAGC 60
AGCGACCACC CCAACCTGCA GCCCTACTTG AGCCGCTGCA ACTCGGCGCG CGTGGACAGC 120
GGCTGCTGGA TGCTCTATGA GCAGCCCAAC TACTCGGGCC TCCAGTACTT CCTGCGCCGC 180
GGCGACTATG CCGACCACCA GCAGTGGATG GGCCTCAGCG ACTCGGTCCG CTCCTGCCGC 240
CTCATCCCCC ACTCTGGCTC TCACAGGATC AGACTCTATG AGAGAGAGGA CTACAGAGGC 300
CAGATGATAG AGTTCACTGA GGACTGCTCC TGTCTTCAGG ACCGCTTCCG CTTCAATGAA 360
ATCCACTCCC TCAACGTGCT GGAGGGCTCC TGGGTCCTCT ACGAGCTGTC CAACTACCGA 420
GGACGGCAGT ACCTGCTGAT GCCAGGGGAC TATAGGCGCT ACCAGGACTG GGGGGCCACG 480
AATGCCAGAG TGGGCTCTCT GAGGAGAGTC ATAGATTTCT CCTGA 525

Claims (4)

1.化合物或其药学上可接受的盐,所述化合物的结构式如下所示:
Figure FDA0002684817940000011
Figure FDA0002684817940000021
2.权利要求1所述化合物或其药学上可接受的盐在制备治疗白内障的药物中的应用。
3.权利要求1所述化合物或其药学上可接受的盐在制备阻止、缓解或逆转晶状体蛋白在细胞内聚集的产品中的应用。
4.一种治疗白内障的药物,其活性成分为权利要求1所述化合物或其药学上可接受的盐。
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008130449A2 (en) * 2006-11-20 2008-10-30 Satori Pharmaceuticals, Inc. Modulators of amyloid-beta production
WO2014117710A1 (en) * 2013-02-01 2014-08-07 Xin Liu Commands and method of treating cancer via rho pathway
WO2016029197A1 (en) * 2014-08-22 2016-02-25 Kang Zhang Compositions and methods to treat and/or prevent vision disorders of the lens of the eye
WO2017044659A1 (en) * 2015-09-08 2017-03-16 Viewpoint Therapeutics, Inc. Compounds and formulations for treating ophthalmic diseases
CN107312053A (zh) * 2016-04-27 2017-11-03 清华大学 一种化合物及其在治疗白内障中的应用

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EP2874709B1 (en) * 2012-07-17 2018-12-19 The Regents Of The University Of Michigan Inhibitors of alpha-crystallin aggregation for the treatment for cataract

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008130449A2 (en) * 2006-11-20 2008-10-30 Satori Pharmaceuticals, Inc. Modulators of amyloid-beta production
WO2014117710A1 (en) * 2013-02-01 2014-08-07 Xin Liu Commands and method of treating cancer via rho pathway
WO2016029197A1 (en) * 2014-08-22 2016-02-25 Kang Zhang Compositions and methods to treat and/or prevent vision disorders of the lens of the eye
WO2017044659A1 (en) * 2015-09-08 2017-03-16 Viewpoint Therapeutics, Inc. Compounds and formulations for treating ophthalmic diseases
CN107312053A (zh) * 2016-04-27 2017-11-03 清华大学 一种化合物及其在治疗白内障中的应用

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