(3-Phenyl-2-propenyl)triphenylphosphonium bromide - Names and Identifiers
(3-Phenyl-2-propenyl)triphenylphosphonium bromide - Physico-chemical Properties
Molecular Formula | C27H24BrP
|
Molar Mass | 459.36 |
Melting Point | 254-258 °C |
Solubility | very faint turbidity in Methanol |
Appearance | solid |
Color | White to Almost white |
BRN | 4172462 |
Storage Condition | 2-8℃ |
Sensitive | Hygroscopic |
MDL | MFCD00040767 |
(3-Phenyl-2-propenyl)triphenylphosphonium bromide - Risk and Safety
Hazard Symbols | Xi - Irritant
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Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
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Safety Description | S37/39 - Wear suitable gloves and eye/face protection
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
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(3-Phenyl-2-propenyl)triphenylphosphonium bromide - Introduction
Cinnamyl triphenylphosphonium bromide is an organic compound with the chemical formula C6H5C(O)CH2PPh3Br. The following is a description of the nature, use, preparation and safety information of Cinnamyl triphenylphosphonium bromide:
Nature:
-Appearance: Cinnamyl triphenylphosphonium bromide is a white crystalline solid.
-Solubility: It can be dissolved in organic solvents, such as chloroform, methanol and ethanol.
-Thermal stability: Cinnamyl the triphenylphosphonium bromide is relatively stable at room temperature, it may decompose at high temperatures.
Use:
-Catalyst: Cinnamyl triphenylphosphonium bromide can be used as catalysts in organic synthesis, especially in cross-coupling reactions, such as Suzuki coupling reactions.
-Organic synthesis intermediate: It can be used as an intermediate for the synthesis of other compounds, such as organic lithium reagents and Grignard reagents.
Preparation Method:
Cinnamyl triphenylphosphonium bromide can be prepared by the following reactions:
1. A Vickers reagent (triphenylphosphine) is reacted with a bromoalkyl compound to generate a bromoalkyl triphenylphosphine compound.
2. cinnamic acid reacts with a bromoalkyl triphenylphosphine compound to generate a Cinnamyl triphenylphosphonium bromide.
Safety Information:
- Cinnamyl triphenylphosphonium bromide are potentially harmful to the environment, care should be taken to prevent them from entering the water and soil.
-Wear appropriate personal protective equipment such as chemical goggles, protective gloves, and protective clothing during use or handling.
-During storage and transportation, Cinnamyl triphenylphosphonium bromide should be kept away from ignition and oxidizing agents.
-Avoid inhaling its dust or contact with skin and eyes during use. In case of contact, rinse immediately with plenty of water and seek medical help.
Last Update:2024-04-10 22:29:15