[1-(Ethoxycarbonyl)ethyl]triphenylphosphonium bromide
(2-ethoxy-1-methyl-2-oxoethyl)triphenylphosphonium bromide
CAS: 30018-16-7
Molecular Formula: C23H24BrO2P
[1-(Ethoxycarbonyl)ethyl]triphenylphosphonium bromide - Names and Identifiers
[1-(Ethoxycarbonyl)ethyl]triphenylphosphonium bromide - Physico-chemical Properties
| Molecular Formula | C23H24BrO2P |
| Molar Mass | 443.32 |
| Melting Point | 152 °C |
| Water Solubility | soluble |
| Solubility | Chloroform, Methanol |
| Appearance | White to white-like powder |
| Color | Pale Yellow |
| BRN | 3822244 |
| Storage Condition | Refrigerator (+4°C) |
| Sensitive | Hygroscopic |
| MDL | MFCD00031605 |
[1-(Ethoxycarbonyl)ethyl]triphenylphosphonium bromide - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R29 - Contact with water liberates toxic gas R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S8 - Keep container dry. S37/39 - Wear suitable gloves and eye/face protection |
| HS Code | 29310099 |
| Hazard Note | Irritant/Hygroscopic |
[1-(Ethoxycarbonyl)ethyl]triphenylphosphonium bromide - Reference Information
| Use | Ethoxyformyl ethyl triphenyl phosphine bromide is an organic intermediate. Ethoxyformyl ethyl triphenylphosphine bromide can be used to prepare 2-C-methyl-4, 5-O-(1-methylvinyl)-D-arabinose ethyl ester, 2-C-methyl-4, 5-O-(1-methylvinyl)-D-arabinose ethyl ester is a key intermediate in the synthesis of sofosbuvir. |
| preparation | 28.8g(0.11mol) of triphenylphosphine and 18.1g(0.1mol) of ethyl 2-bromopropionate are added to 157mL of water, the temperature is raised to 70-80 ℃, and the heat preservation reaction is continued at this temperature for 15-18 hours to obtain ethoxyformyl ethyl triphenylphosphine bromide solution. |
Last Update：2024-04-10 22:29:15
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