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CAS RN: 2567792-04-3 | Product Number: U0150
(tert-Butoxyimino)-λ4-sulfanone
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Purity: >98.0%(GC)
Synonyms:
- N-Sulfinyl-tert-butoxyamine
- tBuONSO
- O-(tert-Butyl)-N-sulfinylhydroxylamine
Product Documents:
| Size | Unit Price | Hyderabad | Japan* | Quantity |
|---|---|---|---|---|
| 1G |
₹8,200.00
|
3 | ≥60 |
|
| 10G |
₹44,800.00
|
Contact Us | 28 |
|
*Upon orders receipt, Hyderabad stocks will be dispatched on the same day.
*Items available in Japan warehouse will be dispatched in 10-12 working days.
*INR price is exclusive of domestic taxes applicable.
*TCI frequently reviews storage conditions to optimize them. Please note that the latest information on the storage temperature for the products is described on our website.
| Product Number | U0150 |
Purity / Analysis Method 
|
>98.0%(GC) |
| Molecular Formula / Molecular Weight | C__4H__9NO__2S = 135.18 |
| Physical State (20 deg.C) | Liquid |
| Storage Temperature
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Air Sensitive |
| CAS RN | 2567792-04-3 |
| Reaxys Registry Number | 37039374 |
| PubChem Substance ID | 468593100 |
Specifications
| Appearance | Colorless to Light yellow clear liquid |
| Purity(GC) | min. 98.0 % |
| NMR | confirm to structure |
Properties (reference)
| Boiling Point | 75 °C/30 mmHg |
| Flash point | 27 °C |
| Specific Gravity (20/20) | 1.06 |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H226 : Flammable liquid and vapor. |
| Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant. P240 : Ground/bond container and receiving equipment. P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking. P233 : Keep container tightly closed. P243 : Take precautionary measures against static discharge. P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment. P242 : Use only non-sparking tools. P280 : Wear protective gloves/ eye protection/ face protection. P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P403 + P235 : Store in a well-ventilated place. Keep cool. |
Related Laws:
Transport Information:
| UN Number | UN1993 |
| Class | 3 |
| Packing Group | III |
Application
Reagent for Primary Sulfonamide Synthesis
References
- Primary Sulfonamide Synthesis Using the Sulfinylamine Reagent N-Sulfinyl-O-(tert-butyl)hydroxylamine, t-BuONSO
- Direct one step dehydrogenative C-H sulfonimidation of unfunctionalized arenes: A conveneient protocol to emerging medicinal chemistry motifs without prefunctionalized arenes
Application
TCI Practical Example: Synthesis of primary sulfonamides using tBuONSO
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Used Chemicals
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Procedure
-
To a solution of tBuONSO (400 mg, 2.96 mmol), in THF (anhydrous, 12 mL) was added p-tolylmagnesium bromide (19% in tetrahydrofuran, ca. 1mol/L, 4.4 mL, 4.4 mmol) at -78 °C and the mixture was stirred at -78 °C for 1 hour. The suspension was warmed at room temperature and stirred for overnight. After that, methanol (1 mL) was add to the reaction mixture and the solvent was removed under reduced pressure. The residue was purified by column chromatography (ethyl acetate:hexane = 0:1 - 1:4 on silica gel) to give 4-methylbenzenesulfonamide as a white solid (407 mg, 80%).
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Experimenter’s Comments
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The reaction mixture was monitored by UPLC.
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Analytical Data
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4-Methylbenzenesulfonamide
1H NMR (400 MHz, CDCl3); δ 7.70 (d, 2H, J = 8.4 Hz), 7.36 (d, 2H, J = 8.1 Hz), 7.27 (brs, 2H), 2.33 (s, 3H).
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Lead Reference
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- Primary Sulfonamide Synthesis Using the Sulfinylamine Reagent N‑Sulfinyl‑O‑(tert-butyl)hydroxylamine, t‑BuONSO
Product Articles
[Product Highlights] Reagent for Primary Sulfonamide Synthesis[TCI Practical Example] Synthesis of Primary Sulfonamides Using tBuONSO
Product Documents (Note: Some products will not have analytical charts available.)
Safety Data Sheet (SDS)
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Specifications
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Analytical Charts
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