2-(1,3-Dioxane-2-yl)-Ethyltriphenyl Phosphonium Bromide
2-(1,3-dioxan-2-yl)ethyltriphenylphosphonium bromide
CAS: 69891-92-5
Molecular Formula: C24H26BrO2P
2-(1,3-Dioxane-2-yl)-Ethyltriphenyl Phosphonium Bromide - Names and Identifiers
| Name | 2-(1,3-dioxan-2-yl)ethyltriphenylphosphonium bromide |
| Synonyms | Wittig reagent LABOTEST-BB LT00233223 DIOXANETHYLTRIPHENYLPHOSPHONIUMBROMIDE 2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide 2-(1,3-dioxan-2-yl)ethyltriphenylphosphonium bromide [2-(1,3-DIOXAN-2-YL)ETHYL]TRIPHENYLPHOSPHONIUM BROMIDE 2-(1,3-Dioxan-2-yl)Ethylütriphenylphosphonium bromide 2-(1,3-Dioxane-2-yl)-Ethyltriphenyl Phosphonium Bromide 2-[(1,3)-dioxane-2-yl]-ethyltriphenylphosphonium bromide |
| CAS | 69891-92-5 |
| EINECS | 274-189-5 |
| InChI | InChI=1/C24H26O2P.BrH/c1-4-11-21(12-5-1)27(22-13-6-2-7-14-22,23-15-8-3-9-16-23)20-17-24-25-18-10-19-26-24;/h1-9,11-16,24H,10,17-20H2;1H/q+1;/p-1 |
| InChIKey | XETDBHNHTOJWPZ-UHFFFAOYSA-M |
2-(1,3-Dioxane-2-yl)-Ethyltriphenyl Phosphonium Bromide - Physico-chemical Properties
| Molecular Formula | C24H26BrO2P |
| Molar Mass | 457.35 |
| Melting Point | 193-195 °C (lit.) |
| Appearance | solid |
| BRN | 4117571 |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Sensitive | Moisture Sensitive |
| MDL | MFCD00012000 |
2-(1,3-Dioxane-2-yl)-Ethyltriphenyl Phosphonium Bromide - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 10-21 |
2-(1,3-Dioxane-2-yl)-Ethyltriphenyl Phosphonium Bromide - Introduction
2-(1,3-dioxan-2-yl)ethyltriphenylphosphonium bromide is an organic compound with the chemical formula C23H24BrO2P. It is a solid substance, white crystalline powder at room temperature.
Nature:
-Solubility: Soluble in polar organic solvents, such as ethanol, ethyl acetate, etc.
-Melting point and boiling point: The melting point is about 140-150°C, and the boiling point is unknown.
-stability: stable at room temperature, but in the presence of strong oxidants will be fire risk.
Use:
2-(1,3-dioxan-2-yl)ethyltriphenylphosphonium bromide is often used as a reagent in organic synthesis. It can be used as a bromine electrolyte in some reactions, and can also be used in phosphating reactions and the preparation of phosphating reagents. In addition, it can also be used to prepare other organophosphorus compounds.
Preparation Method:
The preparation of 2-(1,3-dioxan-2-yl)ethyltriphenylphosphonium bromide can be carried out by the following steps:
1. Reaction of triphenylphosphine with 2-hydroxyethyltriphenylphosphine in diethyl ether to give (1,3-dioxocy-2-yl) ethyldiphenylphosphine.
2. (1,3-dioxo-2-yl) ethyldiphenylphosphine is treated with a solution of bromine in diethyl ether to give 2-(1,3-dioxan-2-yl)ethyltriphenylphosphonium bromide.
Safety Information:
2-(1,3-dioxan-2-yl)ethyltriphenylphosphonium bromide has low toxicity under normal conditions, but it still needs to be operated with caution. Avoid inhaling dust or contact with skin and eyes. Wear personal protective equipment such as gloves and goggles when in use. In the event of inadvertent inhalation or contact, the affected area is promptly flushed and medically observed and treated.
Nature:
-Solubility: Soluble in polar organic solvents, such as ethanol, ethyl acetate, etc.
-Melting point and boiling point: The melting point is about 140-150°C, and the boiling point is unknown.
-stability: stable at room temperature, but in the presence of strong oxidants will be fire risk.
Use:
2-(1,3-dioxan-2-yl)ethyltriphenylphosphonium bromide is often used as a reagent in organic synthesis. It can be used as a bromine electrolyte in some reactions, and can also be used in phosphating reactions and the preparation of phosphating reagents. In addition, it can also be used to prepare other organophosphorus compounds.
Preparation Method:
The preparation of 2-(1,3-dioxan-2-yl)ethyltriphenylphosphonium bromide can be carried out by the following steps:
1. Reaction of triphenylphosphine with 2-hydroxyethyltriphenylphosphine in diethyl ether to give (1,3-dioxocy-2-yl) ethyldiphenylphosphine.
2. (1,3-dioxo-2-yl) ethyldiphenylphosphine is treated with a solution of bromine in diethyl ether to give 2-(1,3-dioxan-2-yl)ethyltriphenylphosphonium bromide.
Safety Information:
2-(1,3-dioxan-2-yl)ethyltriphenylphosphonium bromide has low toxicity under normal conditions, but it still needs to be operated with caution. Avoid inhaling dust or contact with skin and eyes. Wear personal protective equipment such as gloves and goggles when in use. In the event of inadvertent inhalation or contact, the affected area is promptly flushed and medically observed and treated.
Last Update：2024-04-10 22:29:15
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