1779-58-4
(Carbomethoxymethyl)triphenylphosphonium bromide
CAS: 1779-58-4
Molecular Formula: C21H20BrO2P
1779-58-4 - Names and Identifiers
| Name | (Carbomethoxymethyl)triphenylphosphonium bromide |
| Synonyms | CMMTPPB Cmmtppb methyl (triphenylphosphonio)acetate bromide Methyl (Triphenylphosphonio)Acetate Bromide (2-Methoxy-2-Oxoethyl)(Triphenyl)Phosphonium CARBOMETHOXYMETHYL TRIPHENYLPHOSPHONIUM BROMIDE Carbomethoxymethyl Triphenylphosphonium Bromide (Carbomethoxymethyl)triphenylphosphonium bromide carbmethoxy Methyl Triphenyl Phosphonium Bromide Carbmethoxy Methyl Triphenyl Phosphonium Bromide (2-methoxy-2-oxoethyl)triphenylphosphonium bromide (2-Methoxy-2-Oxoethyl)Triphenylphosphonium Bromide (Methoxycarbonylmethyl)Triphenylphosphonium Bromide (METHOXYCARBONYLMETHYL)TRIPHENYLPHOSPHONIUM BROMIDE PHOSPHONIUM,(2-METHOXY-2-OXOETHYL)TRIPHENYL-,BROMIDE |
| CAS | 1779-58-4 |
| EINECS | 217-222-0 |
| InChI | InChI=1/C21H20O2P.BrH/c1-23-21(22)17-24(18-11-5-2-6-12-18,19-13-7-3-8-14-19)20-15-9-4-10-16-20;/h2-16H,17H2,1H3;1H/q+1;/p-1 |
| InChIKey | VCWBQLMDSMSVRL-UHFFFAOYSA-M |
1779-58-4 - Physico-chemical Properties
| Molecular Formula | C21H20BrO2P |
| Molar Mass | 415.26 |
| Melting Point | 165-170 °C (dec.) (lit.) |
| Solubility | Soluble in methanol(almost transparency). |
| Appearance | White powder |
| Color | White to Almost white |
| BRN | 3812975 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Hygroscopic |
| MDL | MFCD00011801 |
| Physical and Chemical Properties | Storage Conditions: 2-8 ℃ sensitivity: hydrogen WGK Germany:3 |
1779-58-4 - 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. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 9 |
| HS Code | 29319019 |
1779-58-4 - Introduction
(Carbomethoxymethyl)triphenylphosphonium bromide is an organic compound with the chemical formula Ph3PCH2CO2CH3, commonly abbreviated as mpph3br. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
(Carbomethoxymethyl)triphenylphosphonium bromide is a white crystalline powder or a solid in a lump. It has good solubility and is soluble in organic solvents such as methanol, ethanol and dichloromethane. It is stable in air, but decomposes when heated or exposed to water.
Use:
(Carbomethoxymethyl)triphenylphosphonium bromide is commonly used as a catalyst in organic synthesis. It can catalyze many important organic reactions, such as Michael addition, inert bond exchange reaction and asymmetric catalytic reaction.
Method:
(Carbomethoxymethyl)triphenylphosphonium bromide can be synthesized by the reaction of bromoformyl-diphenylphosphine compounds with triphenylphosphine. The specific preparation method can be heating reaction of bromoformyl-diphenylphosphine and triphenylphosphine in a suitable solvent, and the resulting product can be purified by crystallization to obtain (Carbomethoxymethyl)triphenylphosphonium bromide.
Safety Information:
(Carbomethoxymethyl)triphenylphosphonium bromide has low toxicity under normal conditions of use. However, it is still a chemical, and basic safety measures need to be observed during operation. Avoid direct inhalation of its dust or solution, and avoid contact with skin, eyes and mucous membranes. Wear appropriate protective gloves, goggles and laboratory protective clothing during use. If ingested or overdosed, seek medical help immediately and bring a safety information sheet for the compound.
Nature:
(Carbomethoxymethyl)triphenylphosphonium bromide is a white crystalline powder or a solid in a lump. It has good solubility and is soluble in organic solvents such as methanol, ethanol and dichloromethane. It is stable in air, but decomposes when heated or exposed to water.
Use:
(Carbomethoxymethyl)triphenylphosphonium bromide is commonly used as a catalyst in organic synthesis. It can catalyze many important organic reactions, such as Michael addition, inert bond exchange reaction and asymmetric catalytic reaction.
Method:
(Carbomethoxymethyl)triphenylphosphonium bromide can be synthesized by the reaction of bromoformyl-diphenylphosphine compounds with triphenylphosphine. The specific preparation method can be heating reaction of bromoformyl-diphenylphosphine and triphenylphosphine in a suitable solvent, and the resulting product can be purified by crystallization to obtain (Carbomethoxymethyl)triphenylphosphonium bromide.
Safety Information:
(Carbomethoxymethyl)triphenylphosphonium bromide has low toxicity under normal conditions of use. However, it is still a chemical, and basic safety measures need to be observed during operation. Avoid direct inhalation of its dust or solution, and avoid contact with skin, eyes and mucous membranes. Wear appropriate protective gloves, goggles and laboratory protective clothing during use. If ingested or overdosed, seek medical help immediately and bring a safety information sheet for the compound.
Last Update：2024-04-10 22:29:15
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