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Lopinavir

Lopinavir Structure
Lopinavir
  • CAS No.192725-17-0
  • Chemical Name:Lopinavir
  • CBNumber:CB3663640
  • Molecular Formula:C37H48N4O5
  • Formula Weight:628.81
  • MOL File:192725-17-0.mol
Lopinavir Property
  • Melting point 255.2-260.6 °F (124—127°C)
  • Boiling point 924.1±65.0 °C(Predicted)
  • Density 1.163±0.06 g/cm3(Predicted)
  • storage temp. 2-8°C
  • solubility DMSO: soluble20mg/mL, clear
  • pka 13.89±0.46(Predicted)
  • form powder
  • color white to beige
  • optical activity [α]/D -20 to -27°, c = 0.4 in methanol
  • biological source synthetic
  • Stability Hygroscopic
  • CAS DataBase Reference 192725-17-0(CAS DataBase Reference)
  • NCI Dictionary of Cancer Terms lopinavir
  • FDA UNII 2494G1JF75
  • NCI Drug Dictionary lopinavir
  • UNSPSC Code 41116107
  • NACRES NA.77
Safety
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H315-H373-H319-H335
  • Precautionary statements P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P-P260-P314-P501
Lopinavir Price More Price(3)
  • Brand: Sigma-Aldrich(India)
  • Product number: SML1222
  • Product name : Lopinavir
  • Purity: ≥98% (HPLC)
  • Packaging: 10MG
  • Price: ₹2686.2
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: Sigma-Aldrich(India)
  • Product number: SML1222
  • Product name : Lopinavir
  • Purity: ≥98% (HPLC)
  • Packaging: 50MG
  • Price: ₹6882
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: Sigma-Aldrich(India)
  • Product number: PHR1927
  • Product name : Lopinavir
  • Purity: Pharmaceutical Secondary Standard; Certified Reference Material
  • Packaging: 1G
  • Price: ₹29584.73
  • Updated: 2022/06/14
  • Buy: Buy

Lopinavir Chemical Properties,Usage,Production

  • Description Lopinavir, the sixth HIV protease inhibitor in the “navir” class, was launched in coformulation with ritonavir, another HIV protease inhibitor already marketed (Abbott, 1996); this original formulation was introduced as Kaletra for use in combination with either nucleoside or non-nucleoside reverse transcriptase inhibitors for the treatment of AIDS in adults and children. Lopinavir is a peptidomimetic compound with a structural core identical to that of ritonavir, on which terminal groups, particularly a modified valine, were introduced by peptide coupling procedures. Lopinavir is a potent competitive inhibitor of HIV-I protease exhibiting high potential against ritonavir-resistant mutations. In several animal species, pharmacokinetic studies with the lopinavirlritonavir association showed that the modest properties of lopinavir were significantly improved in presence of ritonavir, in terms of Cmax and duration of action. Ritonavir inhibits the P450 isoenzyme CYP3A4 and the human liver microsomal metabolism of lopinavir, so strongly amplifying plasma levels of this latter component. In AIDS patients, the plasma HIV RNA level was considerably reduced and the CD4+ T-cell counts increased after administration of lopinavir combined with relatively small doses of ritonavir. Kaletra is intended to be used jointly with other antiretroviral agents.
  • Chemical Properties Lopinavir is a white to light tan powder. It is freely soluble in methanol and ethanol, soluble in isopropanol and practically insoluble in water.
  • Originator Abbott (US)
  • Uses A selective HIV protease inhibitor. An analogue of Ritonavir. Antiviral.
  • Uses Lopinavir has been used as a ZMPSTE24 and human immunodeficiency virus protease inhibitor.
  • Uses Lopinavir is a potent HIV protease inhibitor with Ki of 1.3 pM
  • Definition ChEBI: Lopinavir is a dicarboxylic acid diamide that is amphetamine is substituted on nitrogen by a (2,6-dimethylphenoxy)acetyl group and on the carbon alpha- to nitrogen by a (1S,3S)-1-hydroxy-3-{[(2S)-3-methyl-2-(2-oxotetrahydropyrimidin-1-yl)butanoyl]amino}-4-phenylbutyl group. An antiretroviral of the protease inhibitor class, it is used against HIV infections as a fixed-dose combination with another protease inhibitor, ritonavir. It has a role as an antiviral drug, a HIV protease inhibitor and an anticoronaviral agent. It is a member of amphetamines and a dicarboxylic acid diamide.
  • Indications Lopinavir is available in the United States only as a fixed-dose combination with ritonavir (Kaletra). In this regimen, a low dose of ritonavir is used to inhibit the rapid inactivation of lopinavir by CYP3A4.
  • Manufacturing Process Manufacturing process for Lopinavir includes these steps as follows: Synthesis of 2,6-dimethylphenoxyacetic acid; 2,6- dimethylphenoxyacetyl chloride as an oil; synthesis of (2S,3S,5S)-2-(2,6-dimethylphenoxyacetyl)amino-3-hydroxy-5-(tbutyloxycarbonylamino)-1,6-diphenylhexane; (2S,3S,5S)-2-(2,6-dimethylphenoxyacetyl)amino-3-hydroxy-5- amino-1,6-diphenylhexane as a white needles; synthesis of N-carbonylbenzyloxy-3- aminopropanol;synthesis of N-carbonylbenzyloxy-3-aminopropanal solution; N-(N- (benzyloxycarbonyl-3-amino)-propyl)valine methyl ester, oil state; synthesis of 2S-(1-tetrahydro-pyrimid-2-onyl)-3- methyl butanoic acid methyl ester;synthesis of 2S-(1- tetrahydro-pyrimid-2-onyl)-3-methyl butanoic acid methyl ester. The mixture of (2S,3S,5S)-2-(2,6-dimethylphenoxyacetyl)amino-3-hydroxy-5- amino-1,6-diphenylhexane (100 g, 0.22 mol), 2S-(1-tetrahydro-pyrimid-2- onyl)-3-methyl butanoic acid methyl ester (44.8 g, 0.22 mol) and 750 ml DMF was cooled in an ice/water bath. N-Hydroxybenzotriazole (90.9 g, 0.67 mol), 1-ethyl-3-[3-dimethylaminopropyl]carbodiimide (86 g, 0.45 mol) and triethylamine (62.5 ml, 0.45 mol) were added and the ice bath was removed, allowing the reaction mixture to stir with warming to room temperature for 5 hours. The mixture was diluted with 1000 ml of IPAC and quenched with 1000 ml of water. The mixture was shaken and separated, the aq. layer was extracted IPAC, the organics were washed with 10% HCl, solution of NaHCO3 with 100 ml hexanes, then washed 500 ml water, and brine, dried over MgSO4, filtered and concentrated to provide. (2S,3S,5S)-2-(2,6- dimethylphenoxyacetyl)amino-3-hydroxy-5-(2S-(1-tetrahydro-pyrimid-2-onyl)- 3-methylbutanoyl)amino-1,6-diphenylhexane as a white foam.
  • brand name Kaletra
  • Therapeutic Function Antiviral
  • Antimicrobial activity Lopinavir is active against HIV-1 and HIV-2.
  • Acquired resistance Significant resistance to the antiretroviral efficacy of ritonavirbooted lopinavir occurs as a result of amino acid substitutions at positions 32, 47 and 82 in the protease region. Protease inhibitor resistance is uncommon in patients identified with early failure of combination therapy with ritonavir boostedlopinavir and nucleotide reverse transcriptase inhibitors.
  • General Description Lopinavir is a protease inhibitor that has been approved foruse in combination with ritonavir for patients with HIV whohave not responded to other treatment modalities. Lopinaviris used in excess over ritonavir. Ritonavir at amounts givenhas no antiretroviral activity, Ritonavir inhibits lopinavir’smetabolism by CYP3A4, causing a higher level of lopinavirin the system. The combination is the first protease inhibitorapproved for patients as young as 6 months of age.
  • Biochem/physiol Actions Lopinavir is an antiviral HIV Protease Inhibitor. Lopinavir has insufficient bioavailability alone, so it is used in therapy in combination with Ritonavir, a HIV protease inhibitor, which inhibits cytochrome P450-3A4 (CYP3A4), a liver enzyme that normally metabolizes protease inhibitors. Lopinavir also has an ability to inhibit ZMPSTE24 (zinc metallopeptidase STE24).
  • Pharmacokinetics Oral absorption: Not known/available
    Cmax 400 mg + ritonavir 100 mg twice daily: c. 9.6 mg/L
    Cmin 400 mg + ritonavir 100 mg twice daily: c. 5.5 mg/L
    Plasma half-life: c. 5–6 h
    Volume of distribution: Not known/available
    Plasma protein binding: c. 98–99%
    Absorption and distribution
    The absorption of lopinavir–ritonavir in capsule or liquid form is favorably affected by the presence of food, particularly if high in fat. The CNS penetration is good. It has a semen:plasma ratio of 0.07. It is distributed into breast milk.
    Metabolism
    Lopinavir is extensively metabolized by the CYP3A4 system, but this is inhibited by ritonavir.
    Excretion
    Over an 8-day period after single dosing with the combined formulation, around 10% and 83% of the administered dose is recovered in urine and feces, respectively. Less than 3% of the dose is recovered as unchanged drug in urine and 20% in feces. In mild to moderate hepatic impairment, an increase in exposure of approximately 30% is observed, but is probably not clinically relevant. It should be avoided in severe hepatic impairment.
  • Clinical Use Treatment of HIV infection (in combination with ritonavir and other antiretroviral agents)
  • Side effects The most common adverse events seen in trials of complex antiretroviral regimens were diarrhea, nausea, headache, fatigue, vomiting and rash. Ritonavir-boosted lopinavir is associated with a dyslipidemia profile characteristic of those treated with other protease inhibitors boosted with 200 mg of ritonavir.
  • target HIV protease
  • storage -20°C
Lopinavir Preparation Products And Raw materials
Raw materials
Preparation Products
Lopinavir Suppliers
Global(392)Suppliers
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  • Tel：+86-0371-55170693<br/>+86-19937530512
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  • Email：candy@biochempartner.com
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