4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide

ChemicalBook > CAS DataBase List > 4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide

4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide

Biochem/physiol Actions

Product Name: 4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide
CAS No.: 301692-76-2
Chemical Name: 4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide
Synonyms: CG-100649;Polmacoxib;Calcium acetate Impurity 3;5-{4-(aminosulfonyl)phenyl}-2,2-dimethyl-4-(3-fluorophenyl)-3(2H)-furanone;4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide;4-[3-(3-fluorophenyl)-5,5-diMethyl-4-oxo-4,5-dihydrofuran-2-yl]benzene-1-sulfonaMide;Benzenesulfonamide, 4-[3-(3-fluorophenyl)-4,5-dihydro-5,5-dimethyl-4-oxo-2-furanyl]-;NSAID,inflammatory,Carbonic Anhydrase,Polmacoxib,polyp,colorectal,adenoma,tumor,Inhibitor,COX,Cyclooxygenase,inhibit,Carbonate dehydratase,orthotopic
CBNumber: CB72536191
Molecular Formula: C18H16FNO4S
Formula Weight: 361.39
MOL File: 301692-76-2.mol

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4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide Property

Melting point:: 155-156 °C
Boiling point:: 527.7±60.0 °C(Predicted)
Density: 1.361±0.06 g/cm3(Predicted)
storage temp.: Store at -20°C
solubility: DMF: 20 mg/ml; DMSO: 20 mg/ml; DMSO:PBS (pH 7.2)(1:8): 0.5 mg/ml; Ethanol: 5 mg/ml
form: A crystalline solid
pka: 10.21±0.10(Predicted)

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: SML2854
Product name: Polmacoxib
Purity: ≥98% (HPLC)
Packaging: 5MG
Price: $94.2
Updated: 2024/03/01

Sigma-Aldrich

Product number: SML2854
Product name: Polmacoxib
Purity: ≥98% (HPLC)
Packaging: 25MG
Price: $381
Updated: 2024/03/01

Cayman Chemical

Product number: 17509
Product name: Polmacoxib
Purity: ≥98%
Packaging: 1mg
Price: $57
Updated: 2024/03/01

Cayman Chemical

Product number: 17509
Product name: Polmacoxib
Purity: ≥98%
Packaging: 5mg
Price: $249
Updated: 2024/03/01

Cayman Chemical

Product number: 17509
Product name: Polmacoxib
Purity: ≥98%
Packaging: 10mg
Price: $437
Updated: 2024/03/01

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4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide Chemical Properties,Usage,Production

Biochem/physiol Actions

Polmacoxib is a nonsteroidal anti-inflammatory drug (NSAID) that acts as an inhibitor of cyclooxygenase 2 (COX-2) and the carbonic anhydrases CAI and CAII. It has also been found to inhibit colorectal adenoma and tumor growth in mouse models.

Description

Polmacoxib, also known as (CG-100649), is a first-in-class NSAID which is a dual inhibitor of COX-2 and carbonic anhydrase (CA). The drug, which was approved in South Korea for the treatment of colorectal cancer (CRC) in 2015 and whose discovery has been described by workers at AmorePacific R&D, interacts with CA in red blood cells, providing a novel “tissue-specific” transport mechanism that is designed to deliver sustained levels of drug to inflamed tissues while maintaining low systemic exposure. Although the unique dual COX-2/CA inhibition is designed to provide potentially superior safety to cardiovascular, renal, and gastrointestinal tissues compared to traditional NSAIDs or COX-2 inhibitor drugs, the long-term safety profile of the drug, particularly cardiovascular risks notoriously associated with inhibition of COX-2, has yet to be determined, and the drug is currently not approved for use in any other country outside of South Korea.

Description

Polmacoxib is an inhibitor of cyclooxygenase 2 (COX-2) and the carbonic anhydrase subtypes I (CAI) and CAII. It inhibits COX-2 in the absence of carbonic anhydrase II with an IC₅₀ value of 40 nM, which increases by approximately 4- and 17-fold in the presence of a CAII at a molar ratio of 1:1 and 1:5, respectively. It also inhibits CAI and CAII (IC₅₀s = 210 and 95 nM, respectively). Polmacoxib prevents >95 and 90% of prostaglandin E₂ (PGE₂) production in HCA-7 and HT-29 human colon cancer cells, respectively, using concentrations of 0.01 and 0.001 μg/ml. It inhibits polyp formation in a transgenic mouse model of intestinal polyp formation and tumor growth in human colorectal carcinoma mouse xenograft models when used at a dose of 7 mg/kg. The inhibition of COX-2 and CAII by polmacoxib has the potential for fewer serious systemic adverse effects, including cardiovascular events associated with COX-2 selective inhibitors such as celecoxib . Formulations containing polmacoxib have been used in the treatment of osteoarthritis.

Uses

Polmacoxib is a nonsteroidal anti-inflammatory drug that inhibits both cyclooxygenase-2 (COX-2) and carbonic anhydrase enzymes.

Synthesis

Subjection of commercial propargyl alcohol 172 to nbutyllithium at cryogenic temperatures followed by quenching with commercial benzaldehyde 173 resulted in the formation of benzyl alcohol 174 in 81% yield. This alcohol could be oxidized by three different means, but the authors report that the most suitable method on scale was through the use of manganese dioxide in methylene chloride, which furnished ketone 175 in 80%. Next, an interesting cyclization reaction secured the key furanone residue 176. Mechanistically, subjection of ynone 175 to dimethylamine likely resulted in a conjugate addition followed by tautomerization of the resulting allenol to the corresponding ketone. The resulting ketone then probably underwent intramolecular nucleophilic attack by the pendant tertiary alcohol and after ejection of a molecule of water through iminium-mediated lone pair assistance, hydrolysis of the iminium species to the corresponding ketone delivered 176. Next, mCPBA was employed to oxidize sulfide 176 to the corresponding sulfoxide. Subsequently, iodination of the furanone through use of bis(trifluoroacetoxy)iodobenzene (BTI), followed by a three-step sequence to convert the methylsulfoxide to the corresponding primary sulfonamide 178 occurred in 41% overall from the four-step sequence. Finally, Suzuki installation of the fluorobenzene resulted in the completion of the synthesis of polmacoxib (XXII).

4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide manufacturers

Hangzhou ICH Biofarm Co., Ltd

Product: 4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide 301692-76-2
Price: US $0.00-0.00/kg
Min. Order: 0.1kg
Purity: 99.0%min
Supply Ability: 200kg
Release date: 2023-06-09

Career Henan Chemical Co

Product: 4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide 301692-76-2
Price: US $1.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 1kg ,5kg, 50kg
Release date: 2020-01-14

301692-76-2, 4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamideRelated Search:

4-(3-(3-fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)benzenesulfonamide

4-[3-(3-fluorophenyl)-5,5-diMethyl-4-oxo-4,5-dihydrofuran-2-yl]benzene-1-sulfonaMide

Polmacoxib

5-{4-(aminosulfonyl)phenyl}-2,2-dimethyl-4-(3-fluorophenyl)-3(2H)-furanone

CG-100649

Benzenesulfonamide, 4-[3-(3-fluorophenyl)-4,5-dihydro-5,5-dimethyl-4-oxo-2-furanyl]-

NSAID,inflammatory,Carbonic Anhydrase,Polmacoxib,polyp,colorectal,adenoma,tumor,Inhibitor,COX,Cyclooxygenase,inhibit,Carbonate dehydratase,orthotopic

Calcium acetate Impurity 3

301692-76-2