CN1114610C - 有治疗前列腺增生药效的化合物及制备方法 - Google Patents

有治疗前列腺增生药效的化合物及制备方法 Download PDF

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CN1114610C
CN1114610C CN 00116781 CN00116781A CN1114610C CN 1114610 C CN1114610 C CN 1114610C CN 00116781 CN00116781 CN 00116781 CN 00116781 A CN00116781 A CN 00116781A CN 1114610 C CN1114610 C CN 1114610C
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李瑞麟
卢琦华
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Shanghai Aoqi Medical Technology Co.,Ltd.
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Abstract

本发明公开了有治疗前列腺增生症药效的化合物。该类化合物为2α,17α-双乙炔基,A-失碳,5α-雄甾烷,2β,17β-双酯。本发明的化合物经动物实验证明药效好,副作用小,本发明提供了制备方法。

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有治疗前列腺增生药效的化合物及制备方法
本发明涉及药物化学,具体涉及一类有效治疗前列腺增生药效的化合物及制备方法。
目前世界各国男性随着年龄的增长,前列腺增生的发病率逐渐增加。据苏联学者1998年报道,前列腺增生发病率30岁以上达8%,40岁以上23%,50岁以上35~45%,60岁以上75%,70岁以上82%,80岁以上90%。现有治疗前列腺增生的药物,国内外品种甚多,1992年美国FDA批准默克公司生产的新药普罗斯卡(Proscar),埃伯特公司生产的泰拉佐松(Turosteride)波罗乍松,Epristeride(爱普列特),均有治疗效果,但需较长时期服用,停药后又将复发,且有不利的副作用。
本发明的目的在于克服上述不足之处,研制疗效好,副作用小的新药。
本发明公开了一类有治疗前列腺增生药效的新化合物,该类化合物具有下列通式III,具体有a、b、c三个化合物:III式中:
本发明的化合物经动物药理试验结果如下:
100g体重雄性大鼠以戊巴比妥钠麻醉,在无菌下切除双侧睾丸,一周后皮下注射丙酸睾丸酮0.5mg/只(5mg/kg)同时每天口服试验药,连续一个月,末次给药后24小时处死,取前列腺称重结果如下:
药名及用法 剂量(mg/kg)量  前列腺重量(mg)     P值
丙睾皮下注射     5.0     530.3     -
丙睾皮下注射+AHP-001口服     5.0+0.1     416.0     P<0.01
丙睾皮下注射+AHP-002     5.0+0.1     412.0     P<0.05
动物药效试验结果表明本发明的化合物有较好的疗效,个别患者有严重前列腺增生症状的高龄患者,每晚小便需十次左右,服药7-10天后基本恢复正常,停药后10个月才发现有轻度复发的情况,最长为18个月,并且未见不良副作用。由此可见,本发明的化合物将能进一步作为治疗前列腺增生药物。
本发明的另一目的是提供了上述化合物的制备方法。该方法包括下列步骤:(1)制备2α,17α-双乙炔基,A-失碳,5α-雄甾烷,2β-17β-双羟基化合物(II)以A-失碳,5α-雄甾烷2,17-双酮(I)为起始原料,采用金属钾与叔丁醇反应生成叔丁醇钾,然后在四氢呋喃溶剂中加入原料,低温条件下通乙炔反应生成2α,17α-双乙炔基、A失碳、5α-雄甾烷,2β-17β-双羟基化合物(II),或采用氢氧化钾粉末在四氢呋喃溶剂中低温通乙炔反应生成化合物II。(2)将化合物II在溶剂中与酸酐在20℃~100℃条件下搅拌反应1~12小时,生成2α,17α-双乙炔基,A-失碳5α-雄甾烷,2β,17β-双酯(化合物III)。本发明的制备方法中,化合物III的a、b、c、d的制备方法如下:(1)化合物II与琥珀酸酐在吡啶中以PTS为触媒,回流反应6-10小时,处理后得2β,17β-双乙炔基,A-失碳,5α-雄甾烷,2α,17α-双琥珀酸酯化合物IIIa。(2)化合物II与琥珀酸酐,在吡啶中以AcoNa为触媒,回流反应2-3h,处理后得2α,17α-双乙炔基,A-失碳5α-雄甾烷,2β,17β-双羟基,2β-单琥珀酸酯化合物IIIb。(3)化合物II与丁酸酐以PTS为解媒100℃搅拌反应1h,处理后得2α,17α-双乙炔基,A-失碳,5α-雄甾烷,2β,17β-双丁酸酯化合物IIIc。
实例1、制备2α,17α-双乙炔基-A失碳5α-雄烷,2β,17β-双羟基(II)
30g KOH粉末60mlTHF和0.2ml丙酮,冷至5℃以下通乙炔除尽空气后搅拌继续通乙炔至不吸收,然后保持5℃以下渐渐滴加10gA-失碳雄烷,2,17-双酮(I)溶于100mlTHF的冷溶液,通乙炔至板层层析见原料(I)消失,在搅拌下徐徐滴加18ml水冷却,防止突然升温,搅拌KOH溶解后,分去下层水层减压浓缩至干,加EtOCA溶解后水洗至中性,活性炭脱色,浓缩,用乙烷-苯重结晶得8g,mp169-70℃,[α]D-24±2°。
实例2、制备2α-双乙炔基A-失碳5α-雄烷2β,17β-双羟基双琥珀酸酯
5g II,加20ml吡啶和15g琥珀酸酐0.5g PTS搅拌回流10小时,加水50℃保温2小时,用EtOAC提取,水洗至中性浓缩,室温放置徐徐析出,固体滤出,用乙醇重结晶得1.5g mp 220-221℃[α]D24.6°(CHCL3)
实例3、制备2α,17α-双乙炔基,A-失碳5α-雄烷,2β,17β-双羟基2β-单琥珀酸酯
1g II,加5ml吡啶和2g琥珀酸酐,0.1g醋酸钠,搅拌回流3hrs,同上法处理,粗品用甲醇-H2O重结晶得0.5g mp 217-219℃,[α]0-24.88(EtOH)。
实例4、制备2α,17α-双乙炔基,A-失碳,5α-雄甾烷,2β,17β-双羟基双丁酸酯1g II加20ml丁酸酐,0.5g P.T.S.100℃搅拌反应1小时,加水放置过夜,析出长针状结晶1.4g,用95%乙醇重结晶mp 145-147℃。

Claims (3)

1、一种有治疗前列腺增生药效的化合物III,其特征在于该化合物III具有下列通式结构:
Figure C0011678100021
式中:
Figure C0011678100022
2、如权利要求1所述的一种有治疗前列腺增生药效的化合物III的制备方法,其特征在于该方法包括下列步骤:(1)制备2α,17α-双乙炔基,A-失碳,5α-雄甾烷,2β-17β-双羟基化合物(II)以A-失碳,5α-雄甾烷2,17-双酮(I)为起始原料,采用金属钾与叔丁醇反应生成叔丁醇钾,然后在四氢呋喃溶剂中加入原料,低温条件下通乙炔反应生成2α,17α-双乙炔基、A失碳、5α-雄甾烷,2β-17β-双羟基化合物(II),或采用氢氧化钾粉末在四氢呋喃溶剂中低温通乙炔反应生成化合物(II);(2)将化合物在溶剂中与酸酐在20℃~100℃条件下搅拌反应1~12小时,生成2α,17α-双乙炔基,A-失碳5α-雄甾烷,2β,17β-双酯(化合物III)。
3、根据权利要求2所述的一种有治疗前列腺增生药效的化合物III的制备方法,其特征在于其中所述的化合物IIIa、IIIb、IIIc是由下列方法制得的:(1)化合物II与琥珀酸酐在此吡啶中的PTS为触媒,回流反应6-10小时,处理后得2β,17β-双乙炔基,A-失碳,5α-雄甾烷,2α,17α-双琥珀酸酯化合物IIIa;(2)化合物II与琥珀酸酐,在吡啶中以AcoNa为触媒,回流反应2-3h,处理后得2α,17α-双乙炔基,A-失碳5α-雄甾烷,2β,17β-双羟基,2β-单琥珀酸酯化合物IIIb;(3)化合物II与丁酸酐以PTS为解媒100℃搅拌反应1h,处理后得2α,17α-双乙炔基,A-失碳,5α-雄甾烷,2β,17β-双丁酸酯化合物IIIc。
CN 00116781 2000-06-26 2000-06-26 有治疗前列腺增生药效的化合物及制备方法 Expired - Lifetime CN1114610C (zh)

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CN105434444B (zh) * 2014-09-29 2021-02-05 上海奥奇医药科技有限公司 一种A-失碳-5α雄甾烷化合物的口服制剂
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