Rupatadine Fumarate
- Product Name
- Rupatadine Fumarate
- CAS No.
- 182349-12-8
- Chemical Name
- Rupatadine Fumarate
- Synonyms
- Ralif;Rupax FuMarate;Rupafin FuMarate;Pafinur FuMarate;UR12592 Fumarate;Rinialer FuMarate;UR 12592 Fumarate;UR-12592 Fumarate;Rupatadin Fumarate;RUPATADINE FUMARATE
- CBNumber
- CB42131159
- Molecular Formula
- C26H26ClN3.C4H4O4
- Formula Weight
- 532.03
- MOL File
- 182349-12-8.mol
Rupatadine Fumarate Property
- Melting point:
- 196-198°C
- storage temp.
- Sealed in dry,2-8°C
- solubility
- Methanol (Slightly, Heated)
- form
- Solid
- color
- White to Pale Brown
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- SML2898
- Product name
- Rupatadine fumarate
- Purity
- ≥98% (HPLC)
- Packaging
- 10MG
- Price
- $94.2
- Updated
- 2024/03/01
- Product number
- SML2898
- Product name
- Rupatadine fumarate
- Purity
- ≥98% (HPLC)
- Packaging
- 50MG
- Price
- $381
- Updated
- 2024/03/01
- Product number
- 29478
- Product name
- Rupatadine (fumarate)
- Packaging
- 250mg
- Price
- $571
- Updated
- 2024/03/01
- Product number
- 29478
- Product name
- Rupatadine (fumarate)
- Packaging
- 500mg
- Price
- $987
- Updated
- 2024/03/01
- Product number
- 29478
- Product name
- Rupatadine (fumarate)
- Packaging
- 50mg
- Price
- $153
- Updated
- 2024/03/01
Rupatadine Fumarate Chemical Properties,Usage,Production
Description
Rupatadine fumarate, a novel antiallergic drug with a dual mechanism of action, was introduced in Spain as an oral treatment for perennial and seasonal rhinitis. Rupatadine acts as non-sedating histamine H1 receptor antagonist and plateletactivating factor (PAF) antagonist. Its Kiapp i values against [3H]WEB-2086 binding to rabbit platelet membrane PAF receptors and [3H]pyralimine binding to guinea pig cerebellum membrane H1 histamine receptors are 0.55 and 0.10 μM, respectively. It has a rapid onset of action, with patients experiencing relief of symptoms within 2 h, and its long duration of action (＞24 h) permits once-daily dosing. Rupatidine is prepared in a 6-step convergent synthesis, with the key steps involving the Grignard reaction of a N-alkyl-4-chloropiperdine with a benzocycloheptapyridinone intermediate, followed by dehydration. Rupatadine is rapidly absorbed after oral administration. The time to reach maximum plasma concentration is 0.75–1 h and the mean half-life in healthy volunteers is ～6 h. It is extensively metabolized, mainly by CYP3A4, and the major elimination route for the drug is biliary excretion. In comparative clinical trials, rupatadine 10 mg once daily was as effective as certizine 10 mg in short-term studies (2–4 weeks duration), but provided a better profile of CNS side effects. In comparison with ebastine 10 mg and loratadine 10 mg, rupatadine showed a superior relief of rhinitis symptoms at the same dose. Rupatadine was well tolerated in clinical trials and, at the recommended daily dose of 10 mg, was free of the sedative effects associated with first-generation antihistamines. In addition, there were no significant differences in the overall incidence of adverse events in rupatidine-treated patients and those treated with placebo or standard reference products.
Chemical Properties
Rupatadine fumarate is white or off-white color crystalline powder, odorless, and mildly bitter flavor, slightly draws moistly, in methanol, dissolves, almost insoluble in water, slightly molten in 0.1mol/L hydrochloric acid solution.
Originator
Uriach (Spain)
Uses
Rupatadine is a dual antagonist of histamine H1 and platelet-activating factor receptors. Rupatadine is used as an antihistaminic.
Uses
8-Chloro-6,11-dihydro-11-[1-[(5-methyl-3-pyridyl)methyl]-4-piperidylidene]-5H-benzo[5,6]cyclohepta[1,2-b]pyridine fumarate is a dual antagonist of histamine H1 and platelet-activating factor receptors. Rupatadine is used as an antihistaminic.
brand name
Rupafin
Synthesis
One of the convergent syntheses for rupatadine (XX) involved two key intermediates, tricyclic ketone 162 and chloropiperidine derivative 167. 3-Methylpicoline acid (157) was reacted with p-chloroaniline in the presence of acid chloride and TEA to provide amide 158 in 91% yield. Amide 158 was then treated with n-BuLi at -20??C for 1h, followed by addition of 3-chlorobenzyl chloride (159) to furnish amide 160 in 91% yield after an aqueous workup. The cyclization of amide 160 was accomplished by treatment with 160 PCl5 first followed by AlCl3 mediated Friedel-Crafts cyclization. The cyclic intermediate 161 was directly subjected to hydrolysis without isolation and tricyclic ketone 162 was obtained in 71% yield via a one-pot process. N-acylation of 5- hydroxypiperidine (164) with 5-methylnictonic acid (163) was accomplished by using HOBT, DCC to furnish amide 165. The carbonyl group in 165 was reduced by chlorination/reduction sequence using POCl3 and NaBH4. Alcohol 166 was then converted to the chloride 167 by refluxing with SOCl2 in CHCl3. Coupling tricyclic ketone 162 and chloride 167 via a Grinard protocal followed by dehydration furnished the rupatadine 168. Treatment of rupatadine with fumaric acid in EtOH gave rupatadine fumarate (XX) in 70% yield.
Rupatadine Fumarate Preparation Products And Raw materials
Raw materials
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View Lastest Price from Rupatadine Fumarate manufacturers
- Product
- Rupatadine Fumarate 182349-12-8
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 99
- Supply Ability
- 10 tons
- Release date
- 2024-03-19
- Product
- Rupatadine Fumarate 182349-12-8
- Price
- US $100.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 20 tons
- Release date
- 2023-03-23
- Product
- Rupatadine Fumarate 182349-12-8
- Price
- US $0.00/Kg/Bag
- Min. Order
- 100g
- Purity
- 98.5%min HPLC
- Supply Ability
- 20KGS
- Release date
- 2021-07-21