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CAS RN: 1659-31-0 | Product Number: C1407
Di-2-pyridyl Carbonate
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Purity: >98.0%(T)
Synonyms:
- Carbonic Acid Di-2-pyridyl Ester
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| Product Number | C1407 |
| Purity / Analysis Method | >98.0%(T) |
| Molecular Formula / Molecular Weight | C__1__1H__8N__2O__3 = 216.20 |
| 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 |
| Packaging and Container | 1G-Glass Bottle with Plastic Insert (View image) |
| CAS RN | 1659-31-0 |
| Reaxys Registry Number | 1428611 |
| PubChem Substance ID | 87566415 |
| MDL Number | MFCD00191407 |
Specifications
| Appearance | White to Light yellow powder to crystal |
| Purity(GC) | min. 95.0 % |
| Purity(Nonaqueous Titration) | min. 98.0 % |
Properties (reference)
| Melting Point | 90 °C |
GHS
Related Laws:
Transport Information:
| H.S.code* | 2933.39-000 |
Application
Condensing Agent
Experimental procedure: To a solution of N-Cbz-L-leucine (144.5 mg, 0.54 mmol) in dichloromethane (1.5 mL) are successively added di-2-pyridyl carbonate (117 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 (164 mg, 97% yield) as a white solid.
Reference
- 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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