63164-16-9

Basic information

• Product Name: 2,4-DIBROMOBUTYRIC ACID
• Synonyms: 2,4-DIBROMOBUTYRIC ACID;2,4-Dibromobutanoic acid;Butanoic acid, 2,4-dibromo-
• CAS NO: 63164-16-9
• Molecular Formula: C₄H₆Br₂O₂
• Molecular Weight: 245.9
• Product Categories: Organic acids
• Mol File: 63164-16-9.mol
• Article Data: 4

Chemical Properties

• Boiling Point: 294.1 °C at 760 mmHg
• Flash Point: 131.6 °C
• Appearance: /
• Density: 2.121 g/cm³
• Vapor Pressure: 0.000406mmHg at 25°C
• Refractive Index: 1.561
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• PKA: 2.66±0.10(Predicted)
• CAS DataBase Reference: 2,4-DIBROMOBUTYRIC ACID(CAS DataBase Reference)
• NIST Chemistry Reference: 2,4-DIBROMOBUTYRIC ACID(63164-16-9)
• EPA Substance Registry System: 2,4-DIBROMOBUTYRIC ACID(63164-16-9)

Safety Data

• Statements: 36/37/38
• Safety Statements: 26-36/37/39
• Hazardous Substances Data: 63164-16-9(Hazardous Substances Data)

Usage

General Description

2,4-Dibromobutyric acid is a chemical compound with the formula C4H6Br2O2. It is a derivative of butyric acid, with two bromine atoms attached to the carbon chain. 2,4-DIBROMOBUTYRIC ACID is used in organic synthesis and as a reagent in chemical reactions. It is also often used as a building block for the synthesis of more complex organic compounds. 2,4-Dibromobutyric acid has various industrial applications, such as in the manufacturing of pharmaceuticals and agrochemicals. It is also used as a research chemical in laboratories for the study of organic reactions and chemical properties.

InChI:InChI=1/C4H6Br2O2/c5-2-1-3(6)4(7)8/h3H,1-2H2,(H,7,8)

Upstream product

• 96-48-0 4-butanolide 
• 52412-07-4 2,4-dibromo-butyryl bromide 
• 1489-69-6 Cyclopropanecarboxaldehyde 
• 1759-53-1 cyclopropanecarboxylic acid 
• 75-15-0 carbon disulfide 
• 7726-95-6 bromine 
• 7789-60-8 phosphorus tribromide 

Downstream Products

• 36847-51-5 ethyl 2,4-dibromobutyrate 
• 82820-87-9 2,4-dibromobutanoyl chloride 
• 93189-96-9 α-cyclohexylamino-γ-hydroxybutyric acid cyclohexylamide 
• 93019-32-0 4-Hydroxy-2-anilino-buttersaeureanilid 
• 101785-30-2 α-Benzylamino-γ-hydroxy-N-benzyl-butyramid 
• 77629-96-0 2,4-dibromobutyric acid tert-butyl ester 
• 5061-21-2 α-bromo-γ-butyrolactone 

Relevant articles and documents

A two-phase bromination process using tetraalkylammonium hydroxide for the practical synthesis of α-bromolactones from lactones

A simple and efficient method for α-brominating lactones that affords α-bromolactones under mild conditions using tetraalkylammonium hydroxide (R4N) as a base was developed. Lactones are ring-opened with Br2 and a substoichiometric amount of PBr3, leading to good yields of the corresponding α-bromocarboxylic acids. Subsequent intramolecular cyclization over 1 h using a two-phase system (H2O/CHCl3) containing R4N afforded α-bromo lactones in good yields. This method can be applied at the 10 mmol scale using simple operations. α-Bromo-δ-valerolactone, which is extremely reactive and difficult to isolate, could be isolated and stored in a freezer for about one week using the developed method. Optimizing the solvent for environmentally friendly large-scale syntheses revealed that methyl ethyl ketone (MEK) was as effective. In addition, in situ-generated α-bromo-δ-valerolactone was directly converted into a sulfur-substituted functional lactone without difficulty by reacting it with a sulfur nucleophile in one pot without isolation. This new bromination system is expected to facilitate the industrial use of α-bromolactones as important intermediates.

PEPTIDE DEFORMYLASE INHIBITORS

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