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Published TCIMAIL newest issue No.197
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CAS RN: 36967-85-8 | Product Number: B3567
Benzoyl Trifluoromethanesulfonate
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Purity: >98.0%(T)
Synonyms:
- Trifluoromethanesulfonic Acid Benzoyl Ester
- Benzoyl Triflate
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
|---|---|---|---|---|
| 5G |
€508.00
|
1 | 1 |
|
*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 | B3567 |
| Purity / Analysis Method | >98.0%(T) |
| Molecular Formula / Molecular Weight | C__8H__5F__3O__4S = 254.18 |
| Physical State (20 deg.C) | Liquid |
| Storage Temperature | Frozen (<0°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Moisture Sensitive,Heat Sensitive |
| CAS RN | 36967-85-8 |
| Reaxys Registry Number | 2217043 |
| PubChem Substance ID | 125307799 |
Specifications
| Appearance | Colorless to Light orange to Yellow clear liquid |
| Purity(Neutralization titration) | min. 98.0 % |
Properties (reference)
| Boiling Point | 94 °C/2.2 mmHg |
| Flash point | 114 °C |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| Precautionary Statements | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. |
Related Laws:
Transport Information:
| HS Number | 2909309090 |
Application
A Mild Reagent for Benzoylation
Typical Procedure: 1-Adamantanol (99 mg, 0.65 mmol) is added to a dry round-bottom flask, which has been equipped with a stir bar and rubber septum. After purging with dry nitrogen, dry CH2Cl2 is added to make a 0.1 M solution. Pyridine (245 mg, 3.1 mmol, 4.8 eq.) is added to the reaction vessel, and the solution is cooled to －78 °C. BzOTf (495 mg, 1.95 mmol, 3.0 eq.) is then added via syringe. After proceeding for 30 min at －78 °C, the solution is allowed to warm to ambience, and after 1 h at room temperature, is quenched with MeOH, followed by filtration through Florisil® with CH2Cl2 prior to removal of the solvent at reduced pressure. Purification by preparative TLC gives the product (148 mg, 0.58 mmol, 89%). Recrystallization from methanol gives white needles.
References
- L. Brown, M. Koreeda, J. Org. Chem. 1984, 49, 3875.
- A. B. Dounay, L. E. Overman, A. D. Wrobleski, J. Am. Chem. Soc. 2005, 127, 10186.
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