2-[(1,3)-dioxolane-2-yl]-ethyltriphenylphosphonium bromide
(2-(1,3-dioxolan-2-yl)ethyl)triphenylphosphonium bromide
CAS: 86608-70-0
Molecular Formula: C23H24BrO2P
2-[(1,3)-dioxolane-2-yl]-ethyltriphenylphosphonium bromide - Names and Identifiers
| Name | (2-(1,3-dioxolan-2-yl)ethyl)triphenylphosphonium bromide |
| Synonyms | 2-(1,3-Dioxolan-2-yl)ethyltrip 2-(1,3-DIOXOLAN-2-YL)ETHYLTRIPHENYLPHOSP 2-(1,3-Dioxolan-2-yl)ethyltriphenylphosphonium bromide 2-(1,3-DIOXOLAN-2-YL)ETHYLTRIPHENYLPHOSPHONIUM BROMIDE (2-(1,3-dioxolan-2-yl)ethyl)triphenylphosphonium bromide [2-(1,3-dioxalan-2-yl)ethyl]triphenylphosphonium bromide 2-(1,3)-DIOXOLANE-2-YL) ETHYLTRIPHENYLPHOSPHONIUM BROMIDE 2-[(1,3)-dioxolane-2-yl]-ethyltriphenylphosphonium bromide Phosphonium, 2-(1,3-dioxolan-2-yl)ethyltriphenyl-, bromide |
| CAS | 86608-70-0 |
| EINECS | 404-940-6 |
| InChI | InChI=1/C23H24O2P.BrH/c1-4-10-20(11-5-1)26(21-12-6-2-7-13-21,22-14-8-3-9-15-22)19-16-23-24-17-18-25-23;/h1-15,23H,16-19H2;1H/q+1;/p-1 |
| InChIKey | ZCJKBPSRKLHANV-UHFFFAOYSA-M |
2-[(1,3)-dioxolane-2-yl]-ethyltriphenylphosphonium bromide - Physico-chemical Properties
| Molecular Formula | C23H24BrO2P |
| Molar Mass | 443.31 |
| Melting Point | 144-146°C(lit.) |
| Appearance | solid |
| BRN | 5209374 |
| Storage Condition | Room Temprature |
| MDL | MFCD00075119 |
2-[(1,3)-dioxolane-2-yl]-ethyltriphenylphosphonium bromide - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R33 - Danger of cumulative effects R41 - Risk of serious damage to eyes R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S22 - Do not breathe dust. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| WGK Germany | 2 |
| FLUKA BRAND F CODES | 3 |
| HS Code | 29322090 |
2-[(1,3)-dioxolane-2-yl]-ethyltriphenylphosphonium bromide - Reference Information
| application | 2-(1, 3-dioxolan-2-yl) ethyl triphenylphosphine bromide can be used as an intermediate in organic synthesis and a pharmaceutical intermediate, mainly used in laboratory research and development processes and chemical generation processes. |
| preparation | add 20ml of water to a 100ml four-neck bottle equipped with a reflux condenser tube (with a gas absorption device at the top), a dropping funnel and a stirrer, slowly add 24ml of concentrated sulfuric acid, add 2-(2-hydroxyethyl)-1,3-dioxane after cooling, after mixing evenly, 20g of ground sodium bromide is added, and heated and refluxed for 1h. After cooling, the vacuum distillation device is refitted to depressurize to 6mmHg, and the fraction at 90-100 ℃ is collected to obtain crude product. Pour the crude product into a separatory funnel, add 20ml of water to wash the separated water layer, pour the organic phase into another dry separatory funnel, wash with 10ml of concentrated sulfuric acid, separate the acid layer, and wash the organic phase with 20ml of water and 20ml of saturated sodium bicarbonate solution respectively to obtain 2-(1, 3-dioxolane-2-yl) ethyl triphenyl pure product. 10g of triphenylphosphine and 10.5g of 2-(2-bromoethyl)-1, 3-dioxane were added to a 100ml four-neck bottle equipped with a thermometer and a stirrer, and heated at 100 ℃ for 12h under N2 protection. Then the reactants are dispersed with ether, and put into dry ethyl acetate to precipitate with ether twice to form crystals. Recrystallization with ethyl acetate and ether mixed solvent to obtain the target compound 2-(1, 3-dioxolan-2-yl) ethyl triphenylphosphine bromide. |
| EPA chemical information | information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-09 01:59:59
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