<生产厂家价格>

匹莫苯丹

匹莫苯丹用途

Pimobendan是PDE3选择性抑制剂,IC50为320nM.

匹莫苯丹名称

[ CAS 号 ]:
74150-27-9

[ 中文名 ]:
匹莫苯

[ 英文名 ]:
Pimobendan

[中文别名 ]:

[英文别名 ]:

(±)-UD CG 115BS
dl-Pimobendan
rac PiMobendan
Vetmedin
UD CG 115 BS
Pimobendam
Pimobendan
Pimobendanum
UD-CG 115
UNII:34AP3BBP9T

匹莫苯丹生物活性

[ 描述 ]:

Pimobendan是PDE3选择性抑制剂,IC50为320nM.

[ 相关类别 ]:

信号通路 >> 代谢酶/蛋白酶 >> 磷酸二酯酶(PDE)

研究领域 >> 心血管疾病

[参考文献]

[1]. Kajimoto K, et al. Contribution of phosphodiesterase isozymes to the regulation of the L-type calcium current in human cardiac myocytes. Br J Pharmacol. 1997 Aug;121(8):1549-56.

[2]. Iwasaki A, et al. Pimobendan inhibits the production of proinflammatory cytokines and gene expression of inducible nitric oxide synthase in a murine model of viral myocarditis. J Am Coll Cardiol. 1999 Apr;33(5):1400-7.

[相关活性小分子]

匹莫苯丹物理化学性质

[ 密度 ]:
1.4±0.1 g/cm3

[ 熔点 ]:
249 °C(dec.)

[ 分子式 ]:
C₁₉H₁₈N₄O₂

[ 分子量 ]:
334.372

[ 精确质量 ]:
334.142975

[ PSA ]:
79.37000

[ LogP ]:
1.81

[ 外观性状 ]:
固体;White to Almost white powder to crystal

[ 折射率 ]:
1.693

[ 储存条件 ]:
0-10°C;存放于惰性气体之中;避免空气,加热

匹莫苯丹毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UR6373000

CHEMICAL NAME :: 3(2H)-Pyridazinone, 4,5-dihydro-6-(2-(4-methoxyphenyl)-1H-benzimidazol-5- yl)-5-methyl-

CAS REGISTRY NUMBER :: 74150-27-9

LAST UPDATED :: 199612

DATA ITEMS CITED :: 15

MOLECULAR FORMULA :: C19-H18-N4-O2

MOLECULAR WEIGHT :: 334.41

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 :: 950 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - other changes Endocrine - other changes

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 43,561,1992

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >300 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: 25,815,1994

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 72 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - acute pulmonary edema Gastrointestinal - other changes

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 43,561,1992

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2 gm/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: 43,561,1992

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Primate - monkey

DOSE/DURATION :: >2 gm/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: 25,815,1994 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 16800 mg/kg/4W-I

TOXIC EFFECTS :: Endocrine - changes in adrenal weight Blood - normocytic anemia Related to Chronic Data - death

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 43,561,1992

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1911 mg/kg/39W-I

TOXIC EFFECTS :: Gastrointestinal - other changes

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 43,561,1992

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 18200 mg/kg/52W-I

TOXIC EFFECTS :: Gastrointestinal - other changes Blood - changes in other cell count (unspecified)

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 43,561,1992

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 56 mg/kg/4W-I

TOXIC EFFECTS :: Gastrointestinal - other changes

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 43,561,1992

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 1400 mg/kg/4W-I

TOXIC EFFECTS :: Skin and Appendages - dermatitis, other (after systemic exposure)

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 43,561,1992

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 56 mg/kg/4W-I

TOXIC EFFECTS :: Cardiac - pericarditis

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 43,561,1992

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Primate - monkey

DOSE/DURATION :: 27300 mg/kg/26W-C

TOXIC EFFECTS :: Cardiac - change in rate Cardiac - other changes

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 42,529,1991 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 24 gm/kg

SEX/DURATION :: male 8 week(s) pre-mating female 2 week(s) pre-mating - 7 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) 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: 43,415,1992

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 390 mg/kg

SEX/DURATION :: female 17-21 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 - growth statistics (e.g.%, reduced weight gain)

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 43,415,1992

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1300 mg/kg

SEX/DURATION :: female 6-18 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 43,415,1992

匹莫苯丹安全信息

[ 符号 ]:

GHS06

[ 信号词 ]:
Danger

[ 危害声明 ]:
H301

[ 警示性声明 ]:
Missing Phrase - N15.00950417

[ 危害码 (欧洲) ]:
Xi

[ 风险声明 (欧洲) ]:
R36/37/38:Irritating to eyes, respiratory system and skin .

[ 安全声明 (欧洲) ]:
S26-S37/39

[ 危险品运输编码 ]:
UN 2811 6.1 / PGIII

[ WGK德国 ]:
3

[ RTECS号 ]:
CY8980000

[ 海关编码 ]:
29310095

匹莫苯丹制备

在搅拌下，往二硫化碳、无水三氯化铝和乙酰苯胺的溶液中，缓慢滴加丙酰氯，回流。冷至室温，将下层反应液缓慢倒入碎冰中。滤集固体，乙醇重结晶，得化合物(I)，收率51.3%。
二甲胺盐酸盐和36%甲醛溶液，室温反应。加入醋酐，搅拌至反应液澄清。然后加入化合物(Ⅰ)，100℃反应。60～65℃下减压蒸出低沸物，加丙酮回流。蒸出丙酮，加水溶解，用二氯甲烷洗3次。水层再加二氯甲烷，冷却下用2.5mol/L，氢氧化钠中和至Ph=10。分出有机层，水层用二氯甲烷提取。合并有机层，用饱和盐水洗2次，干燥，浓缩。再和碘甲烷在丙酮中，室温反应。过滤，干燥，得化合物(Ⅱ)。化合物(Ⅱ)溶于含水甲醇，再加入氰化钾的水溶液，室温搅拌。滤集固体，用大量水洗至无CN^-离子，干燥，乙醇重结晶得化合物(Ⅲ)，收率76.6%。
在搅拌和-5～0℃下，把化合物(Ⅲ)加到混酸中，反应。倾入碎冰中，加乙酸乙酯。滤集固体，水洗至中性，干燥，得化合物(Ⅳ)，收率62.8%。
化合物(Ⅳ)和6mol/L盐酸，回流。冷至室温，过滤，干燥，得化合物(V)，收率77.3%。
化合物(V)、95%乙醇和水合肼，搅拌回流。冷至室温，过滤，干燥，得化合物(VI)，收翠92.3%。
化合物(Ⅵ)、对甲氧基苯甲酰氯和无水吡啶，40～50℃反应。倾入冷水中，滤集固体，干燥，然后和丙酮搅拌回流，冷至室温，过滤，干燥，得化合物(Ⅶ)，收率51.4%。
化合物(Ⅶ)、10%钯-炭和95%乙醇，在0.49MPa的氢压下，振荡搅拌。过滤得化合物(Ⅷ)和钯-炭的混合物，可直接用于下步反应。母液回收的产物用丙酮-二甲基甲酰胺重结晶，可得化合物(Ⅷ)。
化合物(Ⅷ)和钯-炭的混合物在述雕酸中，回流。冷至室温，过滤。滤液加冰水，用25%氢氧化钠中和。滤集固体，干燥，用硅胶G柱层析，得匹莫苯，熔点175~178℃，收率68.7%[以化合物(Ⅶ)计]。往匹莫苯中滴加氯化氢饱和的乙醇，搅拌。滤集固体，干燥，得盐酸匹莫苯，收率79.4%，熔点＞300℃。
方法2：乙酰苯胺、丙酰氯和三氯化铝在二硫化碳中反应，得化合物(I)，收率76%。
化合物(I)、冰醋酸和溴反应，粗品经硅胶G柱层析，得化合物(Ⅱ)，收率74%。
在冰浴搅拌下，往氢化钠的四氢呋喃中，缓慢滴加丙二酸二乙酯，反应。把该反应液加到化合物(Ⅱ)的四氢呋喃溶液中，室温搅拌。用2mol/L盐酸酸化至Ph=1，加入乙醚。分出有机层，水层用乙醚萃取3次。合并有机层，用饱和碳酸氢钠、氯化钠水溶液洗至中性，干燥。蒸出乙醚，用硅胶G柱层析，得化合物(Ⅲ)，收率89.4%。
化合物(Ⅲ)经混酸硝化，粗品经硅胶G柱层析，得化合物(Ⅳ)，收率89%。
化合物(Ⅱ)先经混酸硝化，再和丙二酸二乙酯反应，同样得化合物(Ⅳ)，二步收率68.8%。
化合物(Ⅳ)溶于乙醇，加入5%氢氧化钠，70～80℃：搅拌。用3mol/L盐酸酸化至Ph=1，70～80℃再搅拌。冷至室温，加入乙酸乙酯。分出有机层，水层用乙酸乙酯提取3次。合并有机层，干燥。蒸出溶剂，用硅胶G柱层析，得化合物(V)，收率85%。
化合物(V)溶于二苯醚，在160～170℃搅拌至无二氧化碳气泡放出。冷却，滤集固体，用少量石油醚洗，干燥得化合物(Ⅵ)，收率82%。
化合物(Ⅵ)、无水乙醇和85%水合肼回流反应，得化合物(Ⅶ)，收率92%。
化合物(Ⅶ)溶于无水乙醇，在5%钯-炭存在下，用85%水合肼在70～80℃还原后，再经硅胶G柱层析，得化合物(Ⅷ)，收率88%。
在偏重亚硫酸钠、水和甲醇中，化合物(Ⅷ)和对甲氧基苯甲醛在25～60℃缩合，粗品经硅胶G柱层析，得匹莫苯，收率92%，熔点240～241℃(分解)(该熔点和方法1中匹莫苯的熔点有很大出入)。匹莫苯再和盐酸-乙醇饱和溶液反应，得盐酸匹莫苯，收率80%，熔点＞310℃(分解)。

匹莫苯丹海关

[ 海关编码 ]: 29310095

匹莫苯丹文献

Synthesis, vasorelaxant activity and antihypertensive effect of benzo[d]imidazole derivatives.

Bioorg. Med. Chem. 18 , 3985-91, (2010)

A series of 1H-benzo[d]imidazole analogues of Pimobendan, substituted at position 5 with either -CF(3) or -NO(2), were synthesized using a short synthetic route. All the nitro derivatives were potent,...

Valvular dysplasia and congestive heart failure in a juvenile African penguin (Spheniscus demersus).

J. Zoo Wildl. Med. 45(4) , 987-90, (2014)

Abstract: An aquarium-housed, 6-mo-old African penguin (Spheniscus demersus) presented with acute respiratory distress. Auscultation revealed a grade II-III systolic murmur in the absence of adventiti...

Effects of Single Drug and Combined Short-term Administration of Sildenafil, Pimobendan, and Nicorandil on Right Ventricular Function in Rats With Monocrotaline-induced Pulmonary Hypertension.

J. Cardiovasc. Pharmacol. 65(6) , 640-8, (2015)

This study was designed to assess the progression of pulmonary arterial hypertension (PAH) and the effectiveness of therapy using recently investigated echocardiographic parameters. PAH is characteriz...

更多文献