Pitavastatin calcium
Statin lipid-lowering drugs Pharmacological effects Pharmacokinetics Toxicity Clinical Study- Product Name
- Pitavastatin calcium
- CAS No.
- 147526-32-7
- Chemical Name
- Pitavastatin calcium
- Synonyms
- nk104;D01862;P-872441;nk104(acid);nisvastatin;NK-104 Calcium;ITAVASTATIN CA;Pitavastatin caL;DataBase Referen;Pitavasttin Calcium
- CBNumber
- CB6375308
- Molecular Formula
- C25H26CaFNO4
- Formula Weight
- 463.56
- MOL File
- 147526-32-7.mol
Pitavastatin calcium Property
- Melting point:
- >138oC (dec.)
- alpha
- D20 +23.1° (c = 1.00 in acetonitrile/water)
- storage temp.
- 2-8°C
- solubility
- DMSO (Slightly), Methanol (Slightly)
- form
- Solid
- color
- White to Off-White
- Stability:
- Hygroscopic
- InChI
- InChI=1/C25H24FNO4.Ca.2H/c26-17-9-7-15(8-10-17)24-20-3-1-2-4-22(20)27-25(16-5-6-16)21(24)12-11-18(28)13-19(29)14-23(30)31;;;/h1-4,7-12,16,18-19,28-29H,5-6,13-14H2,(H,30,31);;;/b12-11+;;;/t18-,19-;;;/s3
- InChIKey
- ADXNRJCYUMOXPZ-MNGIKBOWNA-N
- SMILES
- C(/C1C(C2CC2)=NC2C=CC=CC=2C=1C1C=CC(F)=CC=1)=C\[C@@H](O)C[C@@H](O)CC(=O)O.[Ca] |&1:22,25,r|
- CAS DataBase Reference
- 147526-32-7(CAS DataBase Reference)
Safety
- Safety Statements
- 24/25
- HS Code
- 29339900
- Toxicity
- LDLo orl-rat: 500 mg/kg OYYAA2 56,67,1998
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H315Causes skin irritation
H319Causes serious eye irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313IF SKIN irritation occurs: Get medical advice/attention.
P337+P313IF eye irritation persists: Get medical advice/attention.
P403+P233Store in a well-ventilated place. Keep container tightly closed.
P405Store locked up.
N-Bromosuccinimide Price
- Product number
- 15414
- Product name
- Pitavastatin (calcium salt)
- Purity
- ≥98%
- Packaging
- 10mg
- Price
- $62
- Updated
- 2024/03/01
- Product number
- 15414
- Product name
- Pitavastatin (calcium salt)
- Purity
- ≥98%
- Packaging
- 25mg
- Price
- $98
- Updated
- 2024/03/01
- Product number
- 15414
- Product name
- Pitavastatin (calcium salt)
- Purity
- ≥98%
- Packaging
- 50mg
- Price
- $166
- Updated
- 2024/03/01
- Product number
- 15414
- Product name
- Pitavastatin (calcium salt)
- Purity
- ≥98%
- Packaging
- 100mg
- Price
- $270
- Updated
- 2024/03/01
- Product number
- 4942
- Product name
- Pitavastatincalcium
- Purity
- ≥99%(HPLC)
- Packaging
- 10
- Price
- $117
- Updated
- 2021/12/16
Pitavastatin calcium Chemical Properties,Usage,Production
Statin lipid-lowering drugs
Pitavastatin calcium is jointly developed by two companies Nissan Chemical and Kowa Co.it is the first total synthesis HMG-CoA reductase inhibitor, it belongs to statin drugs ,it reduces the ability of the liver to manufacture cholesterol mainly through inhibition of some liver enzymes called HMGCo-A reductase , thus it improves the elevated blood cholesterol levels, it is primarily used for the treatment of hypercholesterolemia and familial hypercholesterolemia patients,its lipid-lowering effect is very good, it is the most potent lipid-lowering drug so far.
Pharmacological effects
Inhibition of HMG-CoA reductase: pitavastatin calcium has a strongly antagonistic inhibition effect on HMG-CoA enzyme , IC50 value is 6.8 nmol/L, and its intensity is 24 times of simvastatin, while it is 68 times of fluvastatin.
It Hinders the synthesis of cholesterol: the ability to effectively inhibit the process of generating cholesterol in human hepatocytes HepG2 , IC50 value is 5.8nmol/L, and its intensity is 29 times of simvastatin, it is 57 times that of atorvastatin. But pitavastatin calcium inhibition effect on each enzyme in cholesterol generation after generation of mevalonate is very weak.
It Increases LDL receptor density: pitavastatin induces the synthesis of LDS receptor mRNA in the ultra-low concentration of 1μmol/L, it can increase the number of LDS receptor mRNA , it results in the increasing of LDL receptor density , thereby it promotes clearance of LDL , so that plasma LDL-plasma total cholesterol concentration and triglyceride concentration decrease.
The above information is edited by the Chemicalbook of Tian Ye.
Pharmacokinetics
The main parts of its absorption after oral administration are the duodenum and colon,its rate of binding plasma protein in the body is 96%and it is more selectively distributed in the liver after absorption , the drug concentration in body tissues is lower than that in the plasma or the same as that in the plasma . Pitavastatin calcium is mainly metabolized in the liver, kidney, lung, heart, muscle , metabolite concentrations are lower than the concentration of drug prototype, it is excreted through feces,there is also a small amount of drug excretion through urine , total excretion rate is almost 100%.
A healthy male adult oral pitavastatin is 0.5~8mg, t1/2 is about 10h,the cmax and AUC of the prototype drug in plasma increase with increasing dose , repeatedly taking does not result in medication savings.
Toxicity
Acute toxicity: rats and dogs oral,study its acute toxicity. Pitavastatin calcium median lethal dose on the rats are about male 500~1000mg/kg, female 250~500 mg/kg, dogs lethal dose is about 50~100mg/kg.
Long term toxicity: respectively, rats, dogs and monkeys are administered a long-term experiment. From the experimental results, the safe dose of pitavastatin calcium are rats 1 mg/kg · d-1 (6 months), canine 0.3mg/kg · d-1 (12 months), monkey 3mg/kg · d-1 (6 months). No central nervous system, reproductive system, and myocardial dysfunction is observed which is common while taking other statins during administration.
Carcinogenicity, mutagenicity: mouse oral 1,12,30, 75mg/kg dose, the incidence of cancer has no significant increase than in the control group .in Chromosome abnormality tests, at the highest concentration of 625μg/ml,the result is positive, but at the same concentration, gene mutation recovery tests, micronucleus test s(in vivo) and UDS test s(in vivo) are negative.
Clinical Study
In the therapeutic effect, statins is the first In the lipid-lowering drugs in which pitavastatin effect is very obvious, pitavastatin calcium is a third generation statins anti-hyperlipidemia drug, and Russell atorvastatin (rosuvastatin ) while being called "super statin", is one of the better statins which are current international clinical application of the treatment of hypercholesterolemia, familial hypercholesterolemia , because its clinically effective dose is 1-2mg/day, significantly lower than other marketed statins, with high efficiency, and security features, it has a good tolerability. clinical trail phase I results show that pitavastatin calcium in 1,2,4 mg dose has clinical significance in patients with high blood cholesterol.
Results of clinical trail phase Ⅱ determine that the best dosage of the pitavastatin calcium for the treatment of hyperlipidemia is 2mg/d.
clinical trail phaseⅢ comparison of experimental results show that the efficacy of pitavastatin calcium on reducing Tc and LDL-c is better than the effect of fluvastatin, and there is no significant difference in safety. Multi-center long-term administration tests carried out in Japan show that the dosage in 1~4mg/d range can effectively control blood lipid levels. The above test results demonstrate the effectiveness of pitavastatin calcium in treatment of hyperlipidemia on clinic.
Description
Pitavastatin, launched for the treatment of hypercholesterolemia, belongs to the family of second-generation statins, also referred to as superstatins due to their improved efficacy as cholesterol lowering agents. Like other statins, pitavastatin reduces plasma cholesterol levels by competitively inhibiting HMG-CoA reductase, the rate-limiting enzyme of cholesterol biosynthesis in the liver. It is a more potent inhibitor of HMG-CoA reductase than the previously marketed statins and has the potential benefit of not undergoing significant metabolism by CYP3A4. Pitavastatin is synthesized in a multi-step sequence, including the key step of introducing the dihydroxyheptenoate side chain by cross-coupling of a 3-iodoquinoline intermediate with an alkenylborane reagent. Unlike rosuvastatin, pitavastatin has a high oral bioavailability (～80%). Plasma protein binding is also high for pitavastatin (＞95%), and regardless of the dosing, the highest tissue levels are found in the liver, its target organ. After oral administration, the peak plasma concentration is reached at ,0.8 h and the mean elimination half-life is ～11 h. Pitavastatin is only minimally metabolized, mainly by CYP2C8 and CYP2C9, and the predominant route of elimination of the parent drug and its metabolites is by means of bile excretion followed by elimination in the feces. In clinical studies, oral doses of 2–4 mg/day of pitavastatin produced dose-dependent reduction in LDL-cholesterol levels by 40–48% from baseline in patients with heterozygous familial hypercholesterolemia. In a 12-week double-blind comparative study, pitavastatin (2 mg/day) was more effective than pravastatin (10 mg/day) in reducing LDL-cholesterol levels (38 and 18%, respectively); however, both agents produced similar increases in HDL-cholesterol (～9%). The drug was well tolerated and the adverse reactions were mild and transient.
Chemical Properties
White to Off-White Powder
Originator
Nissan (Japan)
Uses
Pitavastatin calcium (Livalo) is a novel member of the medication class of statins
Uses
A competitive inhibitor of HMG-CoA reductase. Antilipemic.
Definition
ChEBI: The calcium salt of pitavastatin. Used for treatment of hypercholesterolemia (elevated levels of cholesterol in the blood) on patients unable to sufficiently lower their cholesterol levels by diet and exercise.
brand name
Livalo
Hazard
A poison by ingestion.
Safety Profile
A poison by ingestion.Experimental reproductive effects. When heated todecomposition it emits toxic vapors of NOx and Fí.
Synthesis
The convergent synthesis was achieved by cross-coupling of aryl halide 149 with (E)- alkenyl borane 155 which was derived from terminal acetylene 154 by via hydroboration. Anthranilic acid (143) was treated with TsCl and sodium carbonate in hot water to give N-tosylated intermediate in 78% yield, which was converted to the corresponding acid chloride 144 with PCl5 in o-dichlorobenzene at 85??C. Intermediate 144, without isolation, was reacted with fluorobenzene in the presence of AlCl3 at 80??C to give the Friedel-Crafts product which was then hydrolyzed in hot water to give fluorobenzophenone free aniline 145 in 64% yield from the N-tosyl anthranilic acid. Acetyl cyclopropane (146) was reacted with diethyl carbonate to give the corresponding ethyl ester 147. The quinoline core structure was obtained by condensing fluorobenzophenone 145 with 147 under acidic conditions with a Dean-Stark trap to give quinoline-3- carboxylic ethyl ester 148 in 90% yield. Ester 148 was hydrolyzed with potassium hydroxide, and the free carboxylic acid thus obtained was subsequently photoiododecarboxylated with iodine and PhI(OAc)2 to give aryl iodide 149 in 74% yield. 3-Trimethylsilylpropynal (150) was used as the starting material to prepare the chiral side chain. Compound 150 was reacted with di-anion 151 in THF at low temperature to give the corresponding diol ester which was first reacted with Et2BOMe and then reduced to acetylene with sodium borohydride. The free diol was protected as ketal with 2,2-dimethoxypropane in the presence of TsOH to give dimethylketal acetylene 152 in 99% yield. The ester functionality was hydrolyzed with sodium hydroxide to give the acid in 92% yield. The racemic free acid was resolved with (R)-(1-naphthyl)ethylamine to give the pure diastereomeric salt 153 which crystallized out in 31% yield and 97% e.e. Esterification of the free carboxylic acid liberated from the crystalline salt with ethyl iodide gave optically pure acetylene 154 in 70% yield. Hydroboration of acetylene 154 with disiamylborane gave (E)-alkenyldisiamylborane 155 and the excess borane reagent was quenched with sodium ethoxide in ethanol. After evaporation of all volatile material, the residue was directly subjected to the cross-coupling reaction. Palladium (II) chloride and aryl iodide 149 were mixed in acetonitrile to give coupling product 156 in 99% yield. After the ketal in 156 was hydrolyzed under acid conditions and the ester was hydrolyzed with sodium hydroxide, the resulting carboxylic sodium salt was reacted with calcium chloride to yield pitavastatin calcium (XIX) with 99% e.e.
storage
Desiccate at RT
Pitavastatin calcium Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Pitavastatin calcium manufacturers
- Product
- Pitavastatin calcium 147526-32-7
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 99%, Single impurity＜0.1
- Supply Ability
- 1 ton
- Release date
- 2024-01-04
- Product
- Pitavastatin Calcium 147526-32-7
- Price
- US $0.00/Kg/Bag
- Min. Order
- 2Kg/Bag
- Purity
- JP / GMP / 99% up
- Supply Ability
- 20 tons
- Release date
- 2022-08-09
- Product
- Pitavastatin calcium high purity 147526-32-7
- Price
- US $60.00/kg
- Min. Order
- 1kg
- Purity
- 99.9%
- Supply Ability
- 200000kg
- Release date
- 2024-04-23