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Published TCIMAIL newest issue No.197
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CAS RN: 96989-50-3 | Product Number: T1906
O,O'-Di-2-pyridyl Thiocarbonate
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Purity: >98.0%(N)
Synonyms:
- Di-2-Pyridyl Thionocarbonate
- Thiocarbonic Acid O,O'-Di-2-pyridyl Ester
Product Documents:
| Size | Unit Price | Belgium | Japan* |
|---|---|---|---|
| 1G |
€99.00
|
5 | ≥100 |
*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 | T1906 |
| Purity / Analysis Method | >98.0%(N) |
| Molecular Formula / Molecular Weight | C__1__1H__8N__2O__2S = 232.26 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature | Refrigerated (0-10°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Moisture Sensitive,Heat Sensitive |
| CAS RN | 96989-50-3 |
| Reaxys Registry Number | 4314435 |
| PubChem Substance ID | 87577617 |
| MDL Number | MFCD00074870 |
Specifications
| Appearance | White to Yellow to Orange powder to crystal |
| Purity(HPLC) | min. 95.0 area% |
| Purity(with Total Nitrogen) | min. 98.0 % |
| Melting point | 100.0 to 104.0 °C |
Properties (reference)
| Melting Point | 102 °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 | 2933399990 |
Application
Condensing Agent
Experimental procedure: To a solution of N-Cbz-L-leucine (145 mg, 0.54 mmol) in dichloromethane (1.5 mL) are successively added O,O'-di-2-pyridyl thiocarbonate (125 mg, 0.54 mmol) and DMAP (5.3 mg, 0.043 mmol). After the reaction mixture has been stirred for 2 h under an argon atmosphere, glycine ethyl ester hydrochloride (67 mg, 0.48 mmol) and a solution of trimethylamine (50 mg, 0.50 mmol) in dichloromethane (1.5 mL) are successively added to it. This mixture is stirred for 2 h at room temperature and then the solvent is evaporated. The resulting mixture is purified by preparative TLC to afford 1 (151 mg, 90% yield) as a white solid.
References
- A Convenient Method for the Preparations of Carboxamides and Peptides by Using Di(2-pyridyl) Carbonate and O,O′-Di(2-pyridyl) Thiocarbonate as Dehydrating Reagents
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