2-Fluorobenzenesulfonamide

Base Information

• Chemical Name: 2-Fluorobenzenesulfonamide
• CAS No.: 30058-40-3
• Molecular Formula: C6H6FNO2S
• Molecular Weight: 175.184
• Hs Code.: 29350090
• Mol file: 30058-40-3.mol

Synonyms:2-Fluorophenylsulfonamide;

Chemical Property of 2-Fluorobenzenesulfonamide

Chemical Property:

• Melting Point: 162-166 °C(lit.)
• Boiling Point: 317.066 °C at 760 mmHg
• PKA: 9.69±0.60(Predicted)
• Flash Point: 145.557 °C
• PSA: 68.54000
• Density: 1.429 g/cm³
• LogP: 2.25420
• Storage Temp.: Sealed in dry,Room Temperature

Purity/Quality:

98% ^*data from raw suppliers

2-FLUOROBENZENESULFONAMIDE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): T, Xn
• Hazard Codes: T,Xn
• Statements: 23/24/25-36/37/38
• Safety Statements: 26-36-45-36/37/39-22

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

Technology Process of 2-Fluorobenzenesulfonamide

There total 6 articles about 2-Fluorobenzenesulfonamide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 98.0%

2-fluorobenzenesulfonyl chloride (2905-21-7) → 2-fluorobenzenesulfonamide (30058-40-3)

Guidance literature:

With ammonium hydroxide; In tetrahydrofuran; water; at 0 - 25 ℃; for 16h;

Reference yield: 36.0%

sodium 2-fluorobenzenesulfinate (127159-66-4) → 2-fluorobenzenesulfonamide (30058-40-3)

Guidance literature:

sodium 2-fluorobenzenesulfinate; With iodine; at 20 ℃; for 0.333333h; Green chemistry;

With ammonium hydroxide; water; at 20 ℃; for 3h; Green chemistry;

DOI:10.1039/c4gc02236j

Reference yield:

4-bromo-2-fluorobenzenesulfonamide (214210-30-7) → 2-fluorobenzenesulfonamide (30058-40-3)

Guidance literature:

Multi-step reaction with 3 steps

1.1: 95 percent / Et₃N / CH₂Cl₂; tetrahydrofuran / 1 h / 0 - 20 °C

2.1: BuLi / tetrahydrofuran; hexane / 0.5 h / -78 °C

2.2: 56 percent / triisopropyl borate / tetrahydrofuran; hexane / 2 h / -78 - 20 °C

3.1: 33 mg / aq. Na₂CO₃ / Pd(PPh₃)4 / ethanol / 12 h / Heating

With n-butyllithium; sodium carbonate; triethylamine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; ethanol; hexane; dichloromethane; 3.1: Suzuki cross-coupling;

DOI:10.1002/1615-4169(200212)344:10<1146::AID-ADSC1146>3.0.CO;2-1

upstream raw materials:

C₂₇H₂₅BFNO₆S

4-bromo-5-methyl-3-phenylisoxazole

4-bromo-2-fluorobenzenesulfonamide

4-bromo-N-(4,4'-dimethoxytrityl)-2-fluorobenzenesulfonamide

Downstream raw materials:

2-(2-methoxyethylthio)benzenesulfonamide

Refernces

• 1、 Yang, Kai,Ke, Miaolin,Lin, Yuanguang,Song, Qiuling. "Sulfonamide formation from sodium sulfinates and amines or ammonia under metal-free conditions at ambient temperature". . p. 1395 - 1399. Retrieved 2015/03/18.
• 2、 -. "Cycloalkylated benzothiadiazines, a process for their preparation and pharmaceutical compostions containing them". Page/Page column 6. . Retrieved 2010/02/17.