尼普地洛

  • 基本信息
  • 制备方法及用途
  • 物化性质
  • 毒理性
  • 结构与计算化学
  • 上游产品

尼普地洛 基本信息

中文名称:
尼普地洛 
中文别名:
尼普地洛 
英文名称:
2H-1-Benzopyran-3-ol,3,4-dihydro-8-[2-hydroxy-3-[(1-methylethyl)amino]propoxy]-, 3-nitrate
英文别名:
[8-[2-hydroxy-3-(propan-2-ylamino)propoxy]-3,4-dihydro-2H-chromen-3-yl] nitrate;
Nipradilolum [Latin];
Nipradilol;
nipradilol(jan);
K-351;
3,4-dihydro-8-(2'-hydroxy-3'-isopropylamino)propoxy-3-nitroxy-2H-1-benzopyran;
Hypadil;
Nipradolol 
CAS No.:
81486-22-8
分 子 式:

C15H22N2O6

分 子 量:
326.34
精确分子量:
326.14800
PSA:
105.77000
InChI:
InChI=1/C15H22N2O6/c1-10(2)16-7-12(18)8-21-14-5-3-4-11-6-13(23-17(19)20)9-22-15(11)14/h3-5,10,12-13,
危险品标志:

 

风险术语:

 

安全术语:
分子结构式:
SDS:
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尼普地洛 制备方法及用途

制备方法

消旋体的制备。1.82g2-烯丙基-6-甲氧基苯基乙酸酯溶于20ml二氯甲烷,加入3.0ml40%(W/V)过氧乙酸溶液和0.18g乙酸钾,在室温下搅拌48h。将反应液加到100ml氯仿和50ml5%亚硫酸钠水溶液中。分出有机层,水洗,无水硫酸钠干燥。减压浓缩得1.74g淡黄色粘稠液体的化合物(Ⅰ),收率88.7%。1.74g化合物(Ⅰ)溶于10ml乙醚,在0℃加入5.0ml20%(W/V)氯化氢的乙醚溶液,在室温下搅拌12h。加入100ml乙醚,用饱和碳酸氢钠溶液中和。分出醚层,水洗,无水硫酸钠干燥。减压浓缩得1.83g淡黄色粘稠液体的化合物(Ⅱ),收率90.4%。1.82g化合物(Ⅱ)溶于10ml二甲基甲酰胺,加入1.26g碳酸钾,在室温下搅拌2h后,加入50ml水和100ml苯。分出有机层,水洗,无水硫酸钠干燥。减压浓缩得1.53g淡黄色粘稠液体的化合物(Ⅲ)。1.53g化合物(Ⅲ)溶于30ml甲醇,加入10ml1mol/L氢氧化钠溶液。在室温下搅拌1h后,加入12ml1mol/L盐酸。减压浓缩,剩余物用30ml苯提取。提取液水洗,无水硫酸钠干燥。减压浓缩得到的棕色粘稠油用苯-己烷重结晶,得0.66g无色棱状结晶的化合物c,收率52.1%,熔点79~82℃。1.50g化合物1mol/L加到8.60g47%氢溴酸中,在90℃下搅拌9h。冷至室温,用氢氧化钠水溶液调至弱酸性后,用30ml乙酸乙酯提取。提取液用饱和盐水洗,无水硫酸钠干燥。减压浓缩,丙酮结晶得棕色固体。再用乙酮和己烷重结晶,得1.23g无色针状结晶的化合物(Ⅴ),收率88.9%,熔点126~129℃。20mmol化合物(Ⅴ)和23mmol三乙胺溶于20ml四氢呋喃,在0~5℃加入23mmol氯甲酸乙酯(或三氯乙酰氯)溶于35ml四氢呋喃的溶液,再搅拌0.5h。过滤,滤液减压浓缩。剩余物(4.85g)溶于80ml乙腈,冷至-8~-10℃,加入乙酰硝酸酯(从2.22g乙酸酐和1.36g发烟硝酸制得),在此温度再搅拌0.5h。再在-8℃加入另一份乙酰硝酸酯(从1.36g乙酸酐和0.85g发烟硝酸制得),继续搅拌0.5h。加入碳酸氢钠以终止反应,用180ml乙酸乙酯提取。提取液用碳酸氢钠溶液和饱和盐水洗,干燥,浓缩至干。剩余物棕色油溶于10ml甲醇和0.93g氢氧化钠溶于5ml水的混合溶液,在室温下搅拌0.5h。用浓盐酸酸化后,减压蒸去甲醇,用60ml乙酸乙酯提取。提取液用饱和盐水洗,干燥,浓缩至干。剩余的深棕色油用硅胶柱层析,用苯洗脱。得到的固体再用苯和己烷结晶,得无色结晶的化合物(Ⅵ),收率65%,熔点101~103℃。4mmol化合物(Ⅵ)溶于15ml1mol/L氢氧化钠,加入16mmol环氧氯丙烷,在50℃下搅拌2h。加入30ml乙酸乙酯。分出有机层,用10ml1mol/L氢氧化钠溶液和10ml饱和盐水洗,干燥,浓缩至干。得到的油状物无需提纯,可直接用于下列反应。取4mmol该油溶于30ml甲醇,加入20mmol异丙胺,在70℃下加热1h。浓缩至干,剩余油状物用三氧化二铝柱层析,氯仿洗脱。得到的固体用乙酸乙酯和己烷结晶,得尼普地洛,收率61%,熔点110~122℃。

合成制备方法

消旋体的制备。1.82g2-烯丙基-6-甲氧基苯基乙酸酯溶于20ml二氯甲烷,加入3.0ml40%(W/V)过氧乙酸溶液和0.18g乙酸钾,在室温下搅拌48h。将反应液加到100ml氯仿和50ml5%亚硫酸钠水溶液中。分出有机层,水洗,无水硫酸钠干燥。减压浓缩得1.74g淡黄色粘稠液体的化合物(Ⅰ),收率88.7%。

1.74g化合物(Ⅰ)溶于10ml乙醚,在0℃加入5.0ml20%(W/V)氯化氢的乙醚溶液,在室温下搅拌12h。加入100ml乙醚,用饱和碳酸氢钠溶液中和。分出醚层,水洗,无水硫酸钠干燥。减压浓缩得1.83g淡黄色粘稠液体的化合物(Ⅱ),收率90.4%。

1.82g化合物(Ⅱ)溶于10ml二甲基甲酰胺,加入1.26g碳酸钾,在室温下搅拌2h后,加入50ml水和100ml苯。分出有机层,水洗,无水硫酸钠干燥。减压浓缩得1.53g淡黄色粘稠液体的化合物(Ⅲ)。

1.53g化合物(Ⅲ)溶于30ml甲醇,加入10ml1mol/L氢氧化钠溶液。在室温下搅拌1h后,加入12ml1mol/L盐酸。减压浓缩,剩余物用30ml苯提取。提取液水洗,无水硫酸钠干燥。减压浓缩得到的棕色粘稠油用苯-己烷重结晶,得0.66g无色棱状结晶的化合物c,收率52.1%,熔点79~82℃。

1.50g化合物1mol/L加到8.60g47%氢溴酸中,在90℃下搅拌9h。冷至室温,用氢氧化钠水溶液调至弱酸性后,用30ml乙酸乙酯提取。提取液用饱和盐水洗,无水硫酸钠干燥。减压浓缩,丙酮结晶得棕色固体。再用乙酮和己烷重结晶,得1.23g无色针状结晶的化合物(Ⅴ),收率88.9%,熔点126~129℃。

20mmol化合物(Ⅴ)和23mmol三乙胺溶于20ml四氢呋喃,在0~5℃加入23mmol氯甲酸乙酯(或三氯乙酰氯)溶于35ml四氢呋喃的溶液,再搅拌0.5h。过滤,滤液减压浓缩。剩余物(4.85g)溶于80ml乙腈,冷至-8~-10℃,加入乙酰硝酸酯(从2.22g乙酸酐和1.36g发烟硝酸制得),在此温度再搅拌0.5h。再在-8℃加入另一份乙酰硝酸酯(从1.36g乙酸酐和0.85g发烟硝酸制得),继续搅拌0.5h。加入碳酸氢钠以终止反应,用180ml乙酸乙酯提取。提取液用碳酸氢钠溶液和饱和盐水洗,干燥,浓缩至干。剩余物棕色油溶于10ml甲醇和0.93g氢氧化钠溶于5ml水的混合溶液,在室温下搅拌0.5h。用浓盐酸酸化后,减压蒸去甲醇,用60ml乙酸乙酯提取。提取液用饱和盐水洗,干燥,浓缩至干。剩余的深棕色油用硅胶柱层析,用苯洗脱。得到的固体再用苯和己烷结晶,得无色结晶的化合物(Ⅵ),收率65%,熔点101~103℃。

4mmol化合物(Ⅵ)溶于15ml1mol/L氢氧化钠,加入16mmol环氧氯丙烷,在50℃下搅拌2h。加入30ml乙酸乙酯。分出有机层,用10ml1mol/L氢氧化钠溶液和10ml饱和盐水洗,干燥,浓缩至干。得到的油状物无需提纯,可直接用于下列反应。取4mmol该油溶于30ml甲醇,加入20mmol异丙胺,在70℃下加热1h。浓缩至干,剩余油状物用三氧化二铝柱层析,氯仿洗脱。得到的固体用乙酸乙酯和己烷结晶,得尼普地洛,收率61%,熔点110~122℃。

用途简介

β-阻断作用和血管扩张作用,无内源性拟交感作用,可降低心搏数,减少心肌耗氧量和冠脉血流量,还有抗心律不齐作用。用于轻至中度原发性高血压。

用途

β-阻断作用和血管扩张作用,无内源性拟交感作用,可降低心搏数,减少心肌耗氧量和冠脉血流量,还有抗心律不齐作用。用于轻至中度原发性高血压。

尼普地洛 物化性质

外观与性状:
无色针状晶体
密度:
1.27g/cm3
熔点:
110-122ºC
沸点:
500ºC at 760 mmHg
闪点:
256.2ºC
折射率:
1.561
其它信息:

1.性状:无色针状结晶。

2.熔点:107~116℃;110~122℃。

尼普地洛 毒理性

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ2887000
CHEMICAL NAME :
2H-1-Benzopyran-3-ol, 3,4-dihydro-8-(2-hydroxy-3-((1-methylethyl)amino)prop oxy)-, 3-nitrate
CAS REGISTRY NUMBER :
81486-22-8
LAST UPDATED :
199612
DATA ITEMS CITED :
20
MOLECULAR FORMULA :
C15-H22-N2-O6
MOLECULAR WEIGHT :
326.39

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1040 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,725,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
144 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,725,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
850 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,725,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
78 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,725,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
461 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,725,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
147 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,725,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
416 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,725,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
68 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,725,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
>400 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Gastrointestinal - nausea or vomiting Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,725,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
20 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,725,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
300 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,725,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
20 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IYKEDH Iyakuhin Kenkyu. Study of Medical Supplies. (Nippon Koteisho Kyokai, 12-15, 2-chome, Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1970- Volume(issue)/page/year: 20,228,1989 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
5250 mg/kg/5W-C
TOXIC EFFECTS :
Liver - changes in liver weight Endocrine - changes in spleen weight Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,733,1985
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
93600 mg/kg/52W-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes in urine composition Blood - normocytic anemia Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 30,221,1985 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
5400 mg/kg
SEX/DURATION :
female 17-22 day(s) after conception lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - live birth index (measured after birth) Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4)
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 30,1,1985
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
4400 mg/kg
SEX/DURATION :
female 7-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Newborn - live birth index (measured after birth)
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,747,1985
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
2200 mg/kg
SEX/DURATION :
female 7-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,747,1985
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
550 mg/kg
SEX/DURATION :
female 7-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,747,1985
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
2700 mg/kg
SEX/DURATION :
female 17-22 day(s) after conception lactating female 21 day(s) post-birth
TOXIC EFFECTS :
Reproductive - Effects on Newborn - physical
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 30,1,1985
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
260 mg/kg
SEX/DURATION :
female 6-18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 29,747,1985
毒理学数据:

急性毒性LD50小鼠,大鼠(mg/kg);74.0,73.0静脉注射。急性毒性LD50小鼠(mg/kg):540口服。

尼普地洛 分子结构与计算化学数据

分子结构数据

1、  摩尔折射率:82.75

2、  摩尔体积(cm3/mol):255.4

3、  等张比容(90.2K):690.1

4、  表面张力(dyne/cm):53.3

5、  极化率(10-24cm3):32.80

计算化学数据

1.疏水参数计算参考值(XlogP):2

2.氢键供体数量:2

3.氢键受体数量:7

4.可旋转化学键数量:7

5.互变异构体数量:无

6.拓扑分子极性表面积106

7.重原子数量:23

8.表面电荷:0

9.复杂度:376

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:2

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

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