CAS 7333-63-3

(4-Bromobutyl)triphenylphosphonium bromide

Description:

(4-Bromobutyl)triphenylphosphonium bromide is a quaternary ammonium salt characterized by its triphenylphosphonium cation and a 4-bromobutyl group as the alkyl substituent. This compound typically appears as a white to off-white solid and is soluble in polar organic solvents, such as acetone and methanol, while being less soluble in non-polar solvents. Its structure features a positively charged phosphorus atom bonded to three phenyl groups and a butyl chain that includes a bromine atom, which contributes to its reactivity. The presence of the bromine atom makes it a useful intermediate in organic synthesis, particularly in the formation of phosphonium ylides, which are valuable in various reactions, including the Wittig reaction for alkene synthesis. Additionally, this compound can exhibit biological activity, making it of interest in medicinal chemistry. Proper handling and storage are essential due to its potential toxicity and reactivity, particularly in the presence of moisture or strong nucleophiles.

Formula: C₂₂H₂₃BrP

InChI: InChI=1/C22H23BrP/c23-18-10-11-19-24(20-12-4-1-5-13-20,21-14-6-2-7-15-21)22-16-8-3-9-17-22/h1-9,12-17H,10-11,18-19H2/q+1

SMILES: c1ccc(cc1)P(CCCCBr)(c1ccccc1)c1ccccc1

Synonyms:

• (4-Bromobutyl)(triphenyl)phosphonium bromide
• Phosphonium, (4-Bromobutyl)Triphenyl-, Bromide (1:1)
• (4-Bromobutyl)(Triphenyl)Phosphonium

(4-Bromobutyl)triphenylphosphonium bromide, 98%

CAS: 7333-63-3

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci

Formula: C₂₂H₂₃Br₂P

Purity: 98%

Color and Shape: White to pale cream, Crystals or powder or crystalline powder

Molecular weight: 478.21

Ref: 02-B23040

(4-Bromobutyl)triphenylphosphonium bromide

CAS: 7333-63-3

Formula: C₂₂H₂₃Br₂P

Purity: 97%

Color and Shape: Solid

Molecular weight: 478.1998

Ref: IN-DA003BUU

(4-Bromobutyl)triphenylphosphonium bromide

CAS: 7333-63-3

(4-Bromobutyl)triphenylphosphonium bromide

Purity: 98%

Molecular weight: 478.20g/mol

Ref: 54-OR79370

(4-Bromobutyl)triphenylphosphonium bromide

CAS: 7333-63-3

Purity: 97%

Molecular weight: 478.2080078

Ref: 10-F615909

(4-Bromobutyl)triphenylphosphonium Bromide

Controlled Product

CAS: 7333-63-3

Applications (4-Bromobutyl)triphenylphosphonium Bromide is used in the synthesis of cell-penetrating peptoids with cationic side chains.
References Koelmel, D. K., et al.: Eur. J. Med. Chem., 79, 231(2014)

Formula: C₂₃H₂₁N₃O₄·HCl

Color and Shape: Neat

Molecular weight: 439.892

Ref: TR-B681950