Pramipexole
- Product Name
- Pramipexole
- CAS No.
- 104632-26-0
- Chemical Name
- Pramipexole
- Synonyms
- pramipexol;(S)-Pramipexole;Pramipexole free base;(S)-N6-Propyl-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6-diaMine;SND-919;Oprymea;Mirapexin;Pramipexole;Pramipexolum;(-)-Pramipexole
- CBNumber
- CB0486178
- Molecular Formula
- C10H17N3S
- Formula Weight
- 211.33
- MOL File
- 104632-26-0.mol
Pramipexole Property
- Melting point:
- 288-290°C
- Boiling point:
- 378.0±42.0 °C(Predicted)
- Density
- 1.17±0.1 g/cm3(Predicted)
- storage temp.
- Keep in dark place,Inert atmosphere,2-8°C
- solubility
- DMSO (Slightly), Methanol (Slightly)
- form
- Solid
- pka
- 9.47±0.20(Predicted)
- color
- White to Off-White
- CAS DataBase Reference
- 104632-26-0(CAS DataBase Reference)
Safety
- HS Code
- 2934100090
- Hazardous Substances Data
- 104632-26-0(Hazardous Substances Data)
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H312Harmful in contact with skin
H317May cause an allergic skin reaction
H332Harmful if inhaled
H412Harmful to aquatic life with long lasting effects
- 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.
P272Contaminated work clothing should not be allowed out of the workplace.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P312Call a POISON CENTER or doctor/physician if you feel unwell.
P321Specific treatment (see … on this label).
P322Specific measures (see …on this label).
P330Rinse mouth.
P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.
P363Wash contaminated clothing before reuse.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- P700750
- Product name
- (S)-Pramipexole
- Packaging
- 10g
- Price
- $130
- Updated
- 2021/12/16
- Product number
- P5605
- Product name
- Pramipexole
- Packaging
- 10mg
- Price
- $312
- Updated
- 2021/12/16
- Product number
- 7H70-1-47
- Product name
- (S)-N6-Propyl-4,5,6,7-tetrahydrobenzothiazole-2,6-diamine
- Packaging
- 1g
- Price
- $359
- Updated
- 2021/12/16
- Product number
- API0024667
- Product name
- (S)-2-AMINO-6-PROPYLAMINO-4,5,6,7-TETRAHYDROBENZTHIAZOLE
- Purity
- 95.00%
- Packaging
- 1G
- Price
- $374.85
- Updated
- 2021/12/16
- Product number
- FP45322
- Product name
- Pramipexole
- Packaging
- 5G
- Price
- $250
- Updated
- 2021/12/16
Pramipexole Chemical Properties,Usage,Production
Chemical Properties
Off-White Solid
Originator
Mirapex, Pharmacia and Upjohn, USA
Uses
(S)-Pramipexole enantiomer. A dopamine-D2-receptor agonist. Antiparkinsonian
Uses
partial/full D2S, D2L, D3, D4 receptor agonist
Uses
(S)-Pramipexole enantiomer. s disease (PD) and restless legs syndrome (RLS).[1] It is also sometimes used off-label as a treatment for cluster headache and to counteract the problems with sexual dysfunction experienced by some u sers of the selective serotonin reuptake inhibitor (SSRI) antidepressants.
Definition
ChEBI: A member of the class of benzothiazoles that is 4,5,6,7-tetrahydro-1,3-benzothiazole in which the hydrogens at the 2 and 6-pro-S-positions are substituted by amino and propylamino groups, respectively.
Manufacturing Process
75.5 g (0.5 mol) of 4-aminocyclohexanol hydrochloride and 74.0 g (0.5 mol) of phthalic acid anhydride are mixed with 65 g (0.5 mol) of ethyldiisopropyl amine and 1000 ml of toluene and boiled for 36 hours with a water separator. Then water is added, the toluene phase is separated off and the aqueous phase is extracted several times with chloroform. The organic phases are combined, dried and concentrated. The concentrated residue is recrystallised from isopropanol and 4-(phthalimido)-cyclohexanol was obtained. Yield: 95 g (77.8%). Melting point 175°-176°C.
95 g (0.388 mol) of 4-(phthalimido)-cyclohexanol are dissolved in 600 ml of chloroform and, after the addition of 450 ml of water and 120 ml of sulfuric acid, 90 g (0.3 mol) of potassium dichromate are added in batches. The internal temperature of the mixture is maintained at between 25° and 30°C by slight cooling. The mixture is stirred for a further 3 hours, then the chloroform phase is separated off and the mixture extracted twice more with chloroform. After drying and concentration of the extracts 82 g (86.9%) of 4(phthalimido)-cyclohexanone was obtained.
48.6 g (0.2 mol) of 4-(phthalimido)cyclohexanone are dissolved in glacial acetic acid, mixed with 36% of hydrobromic acid in glacial acetic acid and then 32 g (0.2 mol) of bromine in glacial acetic acid is added dropwise with cooling. The mixture is then concentrated by evaporation in vacuo and the residue is triturated several times with diethylether. The ether extracts are discarded and the residue is dissolved in of ethanol. After thiourea have been added the mixture is refluxed for 5 hours. It is then concentrated by evaporation, made alkaline with sodium hydroxide solution and extracted with chloroform. After drying and concentration of the extracts, the residue is purified by column chromatography on silica gel (eluant: chloroform/methanol = 1/1). The 2-amino-6-phthalimido-4,5,6,7-tetrahydro-benzthiazol was obtained. Melting point 244-246°C, dec. Yield: 30 g (50%).
9.5 g (31.7 mmol) of 2-amino-6-phthalimido-4,5,6,7-tetrahydro-benzthiazole are suspended in 100 ml of ethanol and, after the addition of 1.8 g (36 mmol) of hydrazine hydrate, refluxed for 2 hours. The mixture is then concentrated and purified by column chromatography on silica gel using methanol as eluant. The 2,6-diamino- 4,5,6,7-tetrahydro-benzthiazole was obtained.
To a solution of 2,6-diamino- 4,5,6,7-tetrahydro-benzthiazole in dimethylformamide are added n-propanal and the mixture is heated to 50°C for 1 hour. After cooling, the reaction solution is mixed with sodium borohydride and heated to 50°C for 30 min. The solvent is largely eliminated in vacuo. Whilst cooling with ice, the residue is mixed with water and 2 N hydrochloric acid until a pH of 1 is obtained. The aqueous solution is exwith ethylacetate and the organic phase discarded. The aqueous phase is mixed with potassium carbonate until an alkaline reaction is obtained and then extracted with ethyl acetate. The organic phase is dried and concentrated. The 2-amino-6-n-propylamino-4,5,6,7-tetrahydro-benzthiazole dihydrochloride crystallizes out when ethereal hydrochloric acid is added. Yield: 42%. Melting point: 286°-288°C.
Therapeutic Function
Antiparkinsonian, Antipsychotic
Biological Activity
pramipexole is a dopamine agonist of the non-ergoline class indicated for treating parkinson's disease (pd) and restless legs syndrome (rls).pramipexole also possesses low/insignificant affinity (500-10,000 nm) for the 5-ht1a, 5-ht1b, 5-ht1d, and α2-adren
Pramipexole Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Pramipexole manufacturers
- Product
- Pramipexole 104632-26-0
- Price
- US $9.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 50000tons
- Release date
- 2023-07-24
- Product
- (+)-pramipexole; (6S)-4,5,6,7-Tetrahydro-2-amino-6α-(propylamino)benzothiazole; (6S)-4,5,6,7-Tetrahydro-N6-propyl-2,6-benzothiazolediamine 104632-26-0
- Price
- US $150.00/kg
- Min. Order
- 1kg
- Purity
- 99.9%
- Supply Ability
- 10000MT
- Release date
- 2023-05-12
- Product
- Pramipexole 104632-26-0
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 50000KG/month
- Release date
- 2023-08-28