ChemicalBook > CAS DataBase List > Bilastine

Bilastine

Product Name: Bilastine
CAS No.: 202189-78-4
Chemical Name: Bilastine
Synonyms: Bilastine;Bilastin;2-(4-(2-(4-(1-(2-ETHOXYETHYL)-1H-BENZO[D ]IMIDAZOL-2-YL) PIPERIDIN-1-YL)ETHY)PHEN YL)-2-METHYLPROPANOIC ACID;Bilaxten;Bilatex;Bilasten;Bilestin;Bilastene;D6-Bilastine;Bilastine -IP/BP/
CBNumber: CB81011081
Molecular Formula: C28H37N3O3
Formula Weight: 463.62
MOL File: 202189-78-4.mol

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Bilastine Property

Melting point:: 202 °C
Boiling point:: 639.1±55.0 °C(Predicted)
Density: 1.16±0.1 g/cm3(Predicted)
storage temp.: Sealed in dry,Room Temperature
Water Solubility: Insoluble in water
solubility: DMSO:49.3(Max Conc. mg/mL);106.34(Max Conc. mM)
pka: 4.40±0.10(Predicted)
form: powder to crystal
color: White to Light yellow
optical activity: -0.2797°(C=0.7419g/100mI, CHCL3, 20°C, 589nm)
InChIKey: ACCMWZWAEFYUGZ-UHFFFAOYSA-N
SMILES: C(N1C2=CC=CC=C2N=C1C1CCN(CCC2C=CC(C(C)(C)C(=O)O)=CC=2)CC1)COCC

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Safety

HS Code: 2933.39.4100

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements

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.

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N-Bromosuccinimide Price

TCI Chemical

Product number: B5392
Product name: Bilastine
Purity: >98.0%(HPLC)(T)
Packaging: 250mg
Price: $93
Updated: 2025/07/31

TCI Chemical

Product number: B5392
Product name: Bilastine
Purity: >98.0%(HPLC)(T)
Packaging: 1g
Price: $257
Updated: 2025/07/31

Cayman Chemical

Product number: 28375
Product name: Bilastine
Packaging: 25mg
Price: $44
Updated: 2024/03/01

Cayman Chemical

Product number: 28375
Product name: Bilastine
Packaging: 50mg
Price: $84
Updated: 2024/03/01

Cayman Chemical

Product number: 28375
Product name: Bilastine
Packaging: 100mg
Price: $155
Updated: 2024/03/01

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Bilastine Chemical Properties,Usage,Production

Description

Bilastine, a potent and selective histamine H1 receptor antagonist, was approved in Europe in 2010 for the treatment of allergic rhinoconjunctivitis (AR) and urticaria (hives or skin rash). The original synthesis of bilastine involves alkylation of 2-piperidinyl-1H-benzimidazole with a phenethyltosylate, the para position of which is substituted with a dimethyloxazoline moiety serving as a masked carboxylic acid group. Alkylation of the benzimidazole nitrogen with 2-chloroethyl ethyl ether followed by unmasking of the oxazoline moiety with sulfuric acid provided bilastine.
In two major clinical trials, bilastine was effective at relieving allergic rhinitis as assessed by measuring the severity of nasal (obstruction, rhinorrhea, itching, sneezing) and nonnasal (ocular itching, tearing, ocular redness, itching of ears, and/or palate) symptoms.

Description

Bilastine is a histamine H₁ receptor antagonist (IC₅₀ = 180 nM). It is selective for the histamine H₁ receptor in a panel of 30 receptors in vitro at 100 μM. Bilastine prevents microvascular extravasation (ED₅₀ = 185 μg/kg, i.v.), bronchospasm (ED₅₀ = 4.6 μg/kg, i.v.), and systemic anaphylaxis (ED₅₀ = 0.2 μg/kg, p.o.) induced by subcutaneous histamine in guinea pigs. It prevents anaphylaxis induced by subcutaneous administration of ovalbumin or dinitrophenylated human albumin (DNP) in sensitized rats when administered at doses of 7.6 and 6.0 mg/kg, respectively. Formulations containing bilastine have been used in the treatment of urticaria and allergic rhinitis.

Originator

FAES FARMA, S.A. (Spain)

Uses

Bilastine is a novel, nonsedating H1-antihistamine developed for symptomatic treatment of allergic rhinitis and chronic idiopathic urticaria.

Uses

Labelled Bilastine. It is a novel, nonsedating H1-antihistamine developed for symptomatic treatment of allergic rhinitis and chronic idiopathic urticaria.

Definition

ChEBI: Bilastine is a member of benzimidazoles.

brand name

Bilaxten

Clinical Use

Bilastine is a selective histamine H1 antagonist approved for the treatment of allergic rhinoconjunctivitis and urticaria (hives). This drug, which has proven to be well tolerated in toxicology profiling, 46 was discovered by the Spainsh firm FAES Farma and was approved by the European Union in 2010.

Synthesis

In 2011, Collier and co-workers published a communication describing both the original synthesis of bilastine and an improved route which was amenable to gram-scale production. Collier?ˉs second generation route, shown below, relies upon a convergent approach involving the union of piperidinyl benzimidazole 49 with fully functionalized phenethyl electrophile 48.Coupling the commercially available bromophenyl acetate 44 with cyclic trioxatriborinane 45 under conventional Suzuki conditions furnished styrene 46 in good yield. Alternatively, this vinylation reaction was also performed under Stille conditions with tributyl vinyl stannane in 83% yield. Hydroboration¨Coxidation of 46 delivered phenethyl alcohol 47 which was then immediately mesylated under basic conditions in toluene to produce adduct 48. This sulfonate was then reacted with piperidine 49 (whose preparation is described in Scheme 7) followed by saponification of the resulting ester 50 to arrive at bilastene (VI) in 26% overall yield from 44.

For the preparation of bilastine piperidine 49, commercially available piperidine 51 was first protected as the Boc-carbamate 52 prior to alkylation of the benzimidazole nitrogen atom with 1-chloro-2-ethoxyethane 53, providing compound 54. The Boc group of 54 was removed under acidic conditions to give fragment 49. This sequence produced the desired piperidine component in 86% overall yield from 51.

Drug interactions

Potentially hazardous interactions with other drugs
Antivirals: concentration possibly increased by ritonavir.
Grapefruit juice: concentration of bilastine reduced.

Metabolism

Not significantly metabolised. Almost 95% of the administered dose was recovered in urine (28.3%) and faeces (66.5%) as unchanged bilastine

References

[1] REYES CORCóSTEGUI. Preclinical pharmacology of bilastine, a new selective histamine H1 receptor antagonist: receptor selectivity and in vitro antihistaminic activity.[J]. Drugs in Research & Development, 2005, 6 6: 371-384. DOI: 10.2165/00126839-200506060-00005
[2] REYES CORCóSTEGUI. In vivo pharmacological characterisation of bilastine, a potent and selective histamine H1 receptor antagonist.[J]. Drugs in Research & Development, 2006, 7 4: 219-231. DOI: 10.2165/00126839-200607040-00002

Bilastine Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Bilastine manufacturers

Guangzhou Tosun Pharmaceutical Ltd

Product: Bilastine 202189-78-4
Price: US $0.00-0.00/mg
Min. Order: 5mg
Purity: 98%+
Supply Ability: 1000mg
Release date: 2025-01-24

Shaanxi Dideu New Materials Co. Ltd

Product: Bilastine 202189-78-4
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10000KGS
Release date: 2025-03-08

Nanjing Fred Technology Co., Ltd

Product: Bilastine 202189-78-4
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 99%, Single impurity＜0.1
Supply Ability: 1 ton
Release date: 2024-01-03

202189-78-4, BilastineRelated Search:

Olopatadine Loratadine ORYZANOL Bilastine N-Oxide 1'-Hydroxy Bilastine tert-butyl 4-(1H-benzo[d]iMidazol-2-yl)piperidine-1-carboxylate 1-Naphthaleneacetic acid Pirenoxine Benzeneethanol, 4-[1-(4,5-dihydro-4,4-dimethyl-2-oxazolyl)-1-methylethyl]-, 4-methylbenzenesulfonate (ester) 2-(2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)propan-2-yl)-4,4-dimethyl-4,5-dihydrooxazole 2-Propenoic acid, 3-[3-[(phenylaMino)sulfonyl]phenyl]-, Methyl ester, (2E)- 4-FORMYLCINNAMIC ACID METHYL ESTER 2-Propenoic acid, 3-[3-[(phenylaMino)sulfonyl]phenyl]-, ethyl ester, (2E)- 2-(1-(4-(2-(4,4-dimethyl-4,5-dihydrooxazol-2-yl)propan- 2-yl)phenethyl)piperidin-4-yl)-1H-benzo[d]imidazole 4-[1-(4,5-DIHYDRO-4,4-DIMETHYL-2-OXAZOLYL)-1-METHYLETHYL]-BENZENEETHANOL [4-(2-AMINO-ETHYL)-PHENYL]-ACETIC ACID alinastine Bilastine

Bilastin

4-[2-[4-[1-(2-Ethoxyethyl)-1H-benziMidazol-2-yl]-1-piperidinyl]ethyl]-α,α-diMethylbenzeneacetic Acid

Benzeneacetic acid,4-[2-[4-[1-(2-ethoxyethyl)-1H-benziMidazol-2-yl]-1-piperidinyl]ethyl]-a,a-diMethyl-

BENZENEACETIC ACID, 4-(2-(4-(1-(2-ETHOXYETHYL)-1H-BENZIMIDAZOL-2-YL)-1-PIPERIDINYL)ETHYL-ALPHA, ALPHA-DIMETHYL-

2-[4-[2-[4-[1-(2-ethoxyethyl)benzoimidazol-2-yl]-1-piperidyl]ethyl]phenyl]-2-methyl-propanoic acid

4-[2-[4-[1-(2-Ethoxyethyl)-1H-benzimidazol-2-yl]-1-piperidinyl]ethyl]-alpha,alpha-dimethylbenzeneacetic acid

Bilastine

2-[4-[2-[4-[1-(2-ethoxyethyl)benzimidazol-2-yl]piperidin-1-yl]ethyl]phenyl]-2-methylpropanoic acid

the impurity of Bilastine

2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic acid

Bilasten

2-[4-[2-[4-[1-(2-Ethoxyethyl)benzimidazol-2-yl]piperidin-1-yl]ethyl]phenyl]-2-methylproionic acid

Bilatex

Bilaxten

Benzeneacetic acid, 4-[2-[4-[1-(2-ethoxyethyl)-1H-benzimidazol-2-yl]-1-piperidinyl]ethyl]-α,α-dimethyl-

BENZENEACETIC ACID, 4-(2-(4-(1-(2-ETHOXYETHYL)-1H-BENZIMIDAZOL-2-YL)-1-PIPERIDINYL)ETHYL-ALPHA, ALPHA-DIMETHYL- USP/EP/BP

2-(4-(2-(4-(1-(2-ETHOXYETHYL)-1H-BENZO[D ]IMIDAZOL-2-YL) PIPERIDIN-1-YL)ETHY)PHEN YL)-2-METHYLPROPANOIC ACID

2-[4-[2-[4-[1-(2-Ethoxyethyl)benzimidazol-2-yl]piperidin-1-y...

2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-3-methylpropanoic acid

Bilastine D6Q: What is Bilastine D6 Q: What is the CAS Number of Bilastine D6 Q: What is the storage condition of Bilastine D6 Q: What are the applications of Bilastine D6

BilastineQ: What is Bilastine Q: What is the CAS Number of Bilastine Q: What is the storage condition of Bilastine Q: What are the applications of Bilastine

Bilastine (Form-I)

2-[4-[2-[4-[1-(2-ethoxyethyl)benzimidazol-2-yl]piperidin-1-yl]ethyl]phenyl]-2-methylpropanoicaci

Bilastine In-House

Bilastene

Bilastine -IP/BP/

Bilestin

4-[2-[4-[1-(2-Ethoxyethyl)-1H-benzimidazol-2-yl]-1-piperidinyl]ethyl]-a,a-dimethylbenzeneacetic acid

D6-Bilastine

4-[2-[4-[1-(2-Ethoxyethyl)-1H-benzo[d]imidazol-2-yl]piperidin-1-yl]-ethyl]-alpha,alpha-dimethylphenyl-acetic acid

202189-78-4

C28H31D6N3O3

Aromatics

Heterocycles

Intermediates & Fine Chemicals

Pharmaceuticals

Isotope Labelled Compounds

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