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CAS RN: 599-71-3 | Product Number: H0203
Benzenesulfohydroxamic Acid
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Purity: >98.0%(T)(HPLC)
Synonyms:
- N-Hydroxybenzenesulfonamide
Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
|---|---|---|---|---|
| 5G |
£38.00
|
Contact Us | 24 |
|
| 25G |
£147.00
|
2 | 21 |
|
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
| Product Number | H0203 |
| Purity / Analysis Method | >98.0%(T)(HPLC) |
| Molecular Formula / Molecular Weight | C__6H__7NO__3S = 173.19 |
| Physical State (20 deg.C) | Solid |
| CAS RN | 599-71-3 |
| Reaxys Registry Number | 2257368 |
| PubChem Substance ID | 87570632 |
| SDBS (AIST Spectral DB) | 10301 |
| Merck Index (14) | 7426 |
| MDL Number | MFCD00025013 |
Specifications
| Appearance | White to Light yellow powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Neutralization titration) | min. 98.0 % |
Properties (reference)
| Melting Point | 126 °C |
GHS
Related Laws:
| EC Number | 209-973-8 |
| RTECS# | MX9350000 |
Transport Information:
| HS Number | 2935909099 |
Application
A Mild Protection of Ketones and Aldehydes as 1,3-Dioxolanes in the Presence of Benzenesulfohydroxamic Acid
Typical Procedure (protection of cyclohexanone):
A solution of cyclohexanone (98.2 mg, 1 mmol), benzenesulfohydroxamic acid (121 mg, 0.7 mmol), triethylamine (101 mg, 1 mmol), and ethylene glycol (124 mg, 2 mmol) in CH2Cl2 (4 ml) is stirred at rt for 10 min. The solution is washed with water and brine, and dried over anhydrous MgSO4. The reaction mixture is filtered and concentrated under reduced pressure. The residue is purified by flash chromatography on basic alumina (eluent: EtOAc/hexane = 1/9) to give cyclohexanone ethylene acetal (127 mg, 89%).
A solution of cyclohexanone (98.2 mg, 1 mmol), benzenesulfohydroxamic acid (121 mg, 0.7 mmol), triethylamine (101 mg, 1 mmol), and ethylene glycol (124 mg, 2 mmol) in CH2Cl2 (4 ml) is stirred at rt for 10 min. The solution is washed with water and brine, and dried over anhydrous MgSO4. The reaction mixture is filtered and concentrated under reduced pressure. The residue is purified by flash chromatography on basic alumina (eluent: EtOAc/hexane = 1/9) to give cyclohexanone ethylene acetal (127 mg, 89%).
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