Rasagiline
- Product Name
- Rasagiline
- CAS No.
- 136236-51-6
- Chemical Name
- Rasagiline
- Synonyms
- Rasagiline（artaric acid）;(R)-N-(2-Propynyl)-2,3-dihydroinden-1-aMine;(R)-2,3-DIHYDRO-N-2-PROPYNYL-1H-INDEN-1-AMINE;CS-246;CS-194;Rezagilan;Rasagiline;Resagiland.;(R)-Rasagiline;Unii-003N66ts6t
- CBNumber
- CB2459598
- Molecular Formula
- C12H13N
- Formula Weight
- 171.24
- MOL File
- 136236-51-6.mol
Rasagiline Property
- Melting point:
- 148 °C
- Boiling point:
- 305.5±30.0 °C(Predicted)
- Density
- 1.05±0.1 g/cm3(Predicted)
- storage temp.
- under inert gas (nitrogen or Argon) at 2–8 °C
- solubility
- Dichloromethane
- form
- Solid
- pka
- 6.95±0.20(Predicted)
- color
- Off-White to Light Beige to Orange
- Stability:
- Light Sensitive
- InChI
- InChI=1S/C12H13N/c1-2-9-13-12-8-7-10-5-3-4-6-11(10)12/h1,3-6,12-13H,7-9H2/t12-/m1/s1
- InChIKey
- RUOKEQAAGRXIBM-GFCCVEGCSA-N
- SMILES
- [C@H]1(NCC#C)C2=C(C=CC=C2)CC1
Safety
- HS Code
- 2921490090
- Hazardous Substances Data
- 136236-51-6(Hazardous Substances Data)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- 14917
- Product name
- Rasagiline
- Purity
- ≥95%
- Packaging
- 10mg
- Price
- $33
- Updated
- 2024/03/01
- Product number
- 14917
- Product name
- Rasagiline
- Purity
- ≥95%
- Packaging
- 25mg
- Price
- $41
- Updated
- 2024/03/01
- Product number
- 14917
- Product name
- Rasagiline
- Purity
- ≥95%
- Packaging
- 50mg
- Price
- $59
- Updated
- 2024/03/01
- Product number
- 14917
- Product name
- Rasagiline
- Purity
- ≥95%
- Packaging
- 100mg
- Price
- $96
- Updated
- 2024/03/01
- Product number
- R126030
- Product name
- Rasagiline
- Packaging
- 10mg
- Price
- $45
- Updated
- 2021/12/16
Rasagiline Chemical Properties,Usage,Production
Description
Rasagiline is a second-generation, irreversible monoamine oxidase type B (MAO-B) inhibitor that has been launched for the treatment of Parkinson’s disease (PD). Unlike its predecessor selegiline, it is not metabolized to amphetamine derivatives and is, therefore, devoid of the sympathomimetic activity responsible for adverse side effects. Rasagiline is, however, similar to selegiline in the retention of the propargylamine moiety; this essential pharmacophore binds covalently to selectively form an irreversible bond with the flavin adenine dinucleotide portion of the MAO-B enzyme. As an adjunct therapy, rasagiline treats the fluctuations in motor symptoms. The R-enantiomer exhibits 4-times the potency of the S-enantiomer, so the synthetic method begins with the optical resolution of racemic N-benzyl-1-aminoindan using (R,R)-tartaric acid as the resolving agent. Once isolated, the enantiomerically-enriched salt is submitted to hydrogenolysis to afford 1(R)- aminoindane that is subsequently propargylated to provide rasagiline. It is formulated as its mesylate salt, and the recommended dosage of rasagiline is 1 mg/day, with or without levodopa. Entacapone, a catecholamine- O-methyltransferase inhibitor known as an effective add-on therapy for motor fluctuations, was used as a comparator. Rasagiline reduced the time spent in the “off” state while increasing the “on” time.
Originator
Teva/Eisai/Lundbeck (Israel)
Characteristics
Rasagiline, [N-propargyl-1R(+)aminoindan] is a unique, selective, and potent secondgeneration mitochondrial monoamine oxidase B inhibitor with distinctive neuroprotective as well as therapeutic properties for the treatment of PD.
Uses
5HT4 receptor agonist, peristaltic stimulant. Rasagiline, is a selective and irreversible propargylamine inhibitor of monoamine oxidase which has been used to increase the availability of dopamine at striatal receptors as a method to treat Parkinson’s disease.
Application
Rasagiline is used alone or with other medications (such as levodopa/carbidopa) to treat symptoms of Parkinson's disease. It can help improve symptoms such as shakiness, stiffness, and difficulty moving. It can also help reduce the amount of "off" time (periods of slow movement or stiffness). Rasagiline belongs to a class of drugs known as MAO inhibitors. It works by increasing the levels of certain natural substances in the brain (such as dopamine, norepinephrine, serotonin). Parkinson's disease is thought to be caused by too little dopamine in the brain.
Definition
ChEBI: An indane that consists of 1-aminoindane bearing an N-propargyl substituent. A selective, irreversible monoamine oxidase-B inhibitor.
Indications
Rasagiline has a role in the treatment of PD by virtue of its proven ability to reduce the signs of PD in both the “on” and “off” states, and to improve global function. It appears to be of value in early stages of PD as well as after the appearance of clinical fluctuations in response to LD. Rasagiline also has a promising but not fully explored potential to halt or slow down the progression of PD, as well as other clinical conditions. The accumulating evidence of rasagiline’s neuroprotective effects in animal and cellular models is both intriguing and exciting. Further careful scientific basic and clinical studies and clinical experience are needed to establish the full therapeutic benefits of rasagiline for the treatment of PD.
brand name
Azilect (Teva).
Mechanism of action
Rasagiline has many neuroprotective properties in animal and cell culture models of PD as well as a variety of other conditions that are too numerous to delineate completely, so only some of these studies are mentioned here.
Some studies suggest that the neuroprotective effects of rasagiline are potentially separate and unrelated to its therapeutic effects.For example, the S-enantiomer of rasagiline lacks the MAOB inhibitory and the antidepressant effects of rasagiline but shares with rasagiline its neuroprotective effects and its cholinesterase inhibitory effects.This suggests that the neuroprotective effects of rasagiline are independent of its antidepressant and MAOB inhibitory effects. Rasagiline protects dopaminergic SHSY5Y cells in culture by inhibiting mitochondrial permability transition, an apoptosis inducing effect, of an endogenous neurotoxin (N-methyl(R) salsolinol).In the same cell model, rasagiline also enhances the expression of the Bcl-2 gene family which have antiapoptotic effects.Finally, rasagiline prevents the apoptosis and nuclear accumulation of glyceraldehyde-3-phosphate dehydrogenase induced by N-methyl (R) salsonilol in human dopaminergic SH-SY5Y cell cultures.Since the SH-SY5Y cell system does not contain MAO, these protective effects must have other mechanisms. Rasagiline also is protective in vivo against MPTP (mice) and 6OHDA (rats) (see Reference 100). In primate models of PD, rasagiline led to a return toward normal of cognitive and motor function, even in the absence of LD.
In neuronal cell models (SH-SY5Y neuroblastoma cells and neuronally differentiated PC12 cells), rasagiline increases SOD activity and Bcl-2 expression, and it inhibits activation of capsase 3, prevents DNA laddering, inhibits toxin induced fall in mitochondrial membrane potential, prevents toxin induced apoptosis, and protects against cell death due to ischemia and glucose deprivation.Rasagiline also has protective effects against stroke occurrence and promotes survival in spontaneously hypertensive rats.
Pharmacokinetics
Rasagiline, or TV3326, or [N-propargyl-1R(+)ami-noindan], is a selective and highly potent second-generation mitochondrial monoamine oxidase B inhibitor.As opposed to selegiline, rasagiline has quite a different metabolite profile. Selegiline’s major metabolites are amphetamine and methamphetamine, while rasagiline’s primary metabolite is aminoindan. While amphetamine and methamphetamine are potently addictive substances, they may promote alertness. Aminoindan has beneficial effects of its own and has no known adverse side effects.In man, 1-mg daily dosages of rasagiline inhibit platelet MAO-B nearly completely.Rasagiline has both therapeutic and protective properties.
Clinical Use
Rasagiline [R(+)-N-propargyl-1-aminoindan] mesylate (Azilect®) was approved by the FDAin May of 2006 as monotherapy in early disease and as an adjunct to levodopa in more advanced disease. The recommended doses are 1 mg once a day in early disease and an initial dose of 0.5 mg once a day in advanced disease that can be increased to 1 mg once a day if needed. It produces selective irreversible MAO-B inhibition. Platelet MAO-B inhibition is dose-dependent; one hour after ingestion, platelet MAOB inhibition is 35% with 1 mg rasagiline and 99% with 10 mg rasagiline. By day 6, rasagiline 2 mg/day inhibits over 99% of platelet MAO-B. After discontinuing rasagiline, it takes approximately two weeks for MAO-B activity to return to baseline values. The area under the curve (AUC) and maximum concentration (Cmax) increase linearly with rasagiline dosage. The plasma half-lives of rasagiline and its active metabolite 1(R)-aminoindan are 3.5 hours and 11 hours, respectively. As rasagiline irreversibly inhibits MAO-B, the serum (pharmacokinetic) half-life does not correlate with its functional (pharmacodynamic) half-life.
Rasagiline up to 20 mg/day was well tolerated in healthy male volunteers. Dry mouth, headache, nausea, thirst, and abdominal discomfort were the most common adverse effects but tended to be mild. There were no significant effects on vital signs, lab values, physical exam, or EKG.
Side effects
Common side effects of Rasagiline may occur as dizziness, drowsiness, joint pain, heartburn, nausea, dry mouth, weight loss or stomach/abdominal pain. Severe fainting, loss of balance, mental/mood changes (e.g. confusion, depression, hallucinations), muscle stiffness/twitching/uncontrollable movements, swelling of ankles/legs, easy bleeding/bruising, abnormally strong impulses (e.g. increased gambling, increased sexual urges) may occur. It may increase serotonin and rarely causes a very serious condition called serotonin syndrome/toxicity. Very rarely an allergic reaction may occur.
Drug interactions
Potentially hazardous interactions with other drugs
Analgesics: avoid with dextromethorphan; avoid
with pethidine (risk of serious adverse reactions) -
allow at least 14 days before starting pethidine.
Antidepressants: avoid with other MAOIs (can
lead to hypertensive crisis) - allow at least 14 days
before starting a MAOI; avoid with fluoxetine
and fluvoxamine; allow 5 weeks between stopping
fluoxetine and starting rasagiline; allow 14 days
between stopping rasagiline and starting fluoxetine
or fluvoxamine; increased CNS toxicity with SSRIs,
tricyclics and vortioxetine.
Sympathomimetics: concomitant use is not
recommended.
Metabolism
Rasagiline is extensively metabolised in the liver by
N-dealkylation and hydroxylation, via the cytochrome
P450 isoenzyme CYP1A2, and conjugation.
1-Aminoindan is a major metabolite and is stated to be
active although it is not a monoamine oxidase B inhibitor.
The metabolites are excreted mainly in the urine and
partly in the faeces.
Rasagiline Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Rasagiline manufacturers
- Product
- Rasagiline 136236-51-6
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 50000KG/month
- Release date
- 2024-10-30
- Product
- Rasagiline 136236-51-6
- Price
- US $0.00/kg
- Min. Order
- 1kg
- Purity
- 99% HPLC
- Supply Ability
- 20 tons
- Release date
- 2022-12-09
- Product
- Rasagiline 136236-51-6
- Price
- US $79.40/g
- Min. Order
- 2g
- Purity
- 99%
- Supply Ability
- 1000g
- Release date
- 2021-06-07