Nsc179738
azidotributyltin
CAS: 17846-68-3
Molecular Formula: C12H27N3Sn
Nsc179738 - Names and Identifiers
| Name | azidotributyltin |
| Synonyms | Nsc179738 AZIDOTRIBUTYLTIN azidotributyltin TRIBUTYLTIN AZIDE Tri-n-butylazidotin TRI-N-BUTYLAZIDOTIN azidotributyltin(iv) Azidotributylstannane TriDing Jidietin nitride tributylstannanylium azide |
| CAS | 17846-68-3 |
| InChI | InChI=1/3C4H9.HN3.Sn/c3*1-3-4-2;1-3-2;/h3*1,3-4H2,2H3;1H;/q;;;;+1/rC12H27Sn.HN3/c1-4-7-10-13(11-8-5-2)12-9-6-3;1-3-2/h4-12H2,1-3H3;1H/q+1 |
Nsc179738 - Physico-chemical Properties
| Molecular Formula | C12H27N3Sn |
| Molar Mass | 332.07 |
| Density | 1.212g/mLat 25°C(lit.) |
| Boling Point | 120°C/0.2mmHg |
| Flash Point | >230°F |
| Solubility | Miscible with toluene, hexane, acetonitrile and tetrahydrofuran. |
| Specific Gravity | 1.212 |
| Sensitive | 7: reacts slowly with moisture/water |
| Refractive Index | 1.5745 |
Nsc179738 - Risk and Safety
| Risk Codes | R21 - Harmful in contact with skin R25 - Toxic if swallowed R36/38 - Irritating to eyes and skin. R48/23/25 - R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S35 - This material and its container must be disposed of in a safe way. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 2788 6.1/PG 2 |
| WGK Germany | 3 |
| TSCA | No |
| HS Code | 29319090 |
| Hazard Class | 6.1 |
Nsc179738 - Reference Information
| Introduction | azidotri-N-butyltin (IV) is a common organic azide compound, can be used for the synthesis of valsartan. With L-valine as the starting material, it was first modified into L-valine methyl ester, followed by alkylation, valerylation, and finally cyclization with Tri-n-butyl tin azide, valsartan was synthesized by hydrolysis and other steps. |
| preparation | add (5mmol) tributyltin chloride, (12mmol) sodium azide to a three-necked flask with a rotor, 20ml of DMF solvent was added under nitrogen atmosphere, and the mixture was stirred at 70 ° C. For 12H. After the reaction solution was cooled to room temperature, it was poured into deionized water (30ml), and then extracted with ether (3 × 20ml) to collect the organic layer, then it was washed with saturated brine (3 × 20mL), dried over anhydrous magnesium sulfate, filtered and evaporated to remove the ether solvent. It was chromatographed on silica gel column (eluent: V (petroleum ether): V (dichloromethane)). = 20: 1) a white solid tri-n-butyl tin azide was obtained. |
| Use | an organic synthesis reagent that is substituted with a tributyltin group or an azide group to an organic molecule. |
Last Update：2024-04-10 22:29:15
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