82820-87-9

Basic information

• Product Name: 2,4-Dibromobutyryl chloride
• Synonyms: 2,4-DIBROMOBUTYRYL CHLORIDE;2,4-dibromobutanoyl chloride;2,4-DibroMobutyryl chloride technical, ~90% (GC);EOS-60357
• CAS NO: 82820-87-9
• Molecular Formula: C₄H₅Br₂ClO
• Molecular Weight: 264.34
• Product Categories: Acid Halides;Carbonyl Compounds;Organic Building Blocks
• Mol File: 82820-87-9.mol
• Article Data: 10

Chemical Properties

• Boiling Point: 235.5 °C at 760 mmHg
• Flash Point: 96.2 °C
• Appearance: /
• Density: 2.00 g/mL at 20 °C
• Vapor Pressure: 0.0498mmHg at 25°C
• Refractive Index: n20/D 1.536
• Storage Temp.: 2-8°C
• BRN: 4955401
• CAS DataBase Reference: 2,4-Dibromobutyryl chloride(CAS DataBase Reference)
• NIST Chemistry Reference: 2,4-Dibromobutyryl chloride(82820-87-9)
• EPA Substance Registry System: 2,4-Dibromobutyryl chloride(82820-87-9)

Safety Data

• Hazard Codes: C
• Statements: 14-34-42/43
• Safety Statements: 23-26-36/37/39-45
• RIDADR: UN 3265 8/PG 2
• WGK Germany: 3
• F: 8-10-19-21
• Hazardous Substances Data: 82820-87-9(Hazardous Substances Data)

Usage

Uses

2,4-Dibromobutyryl chloride was used in the preparation of:methyl 2,4-dibromobutanoateseries of 3-(3, 5-di-tert-butyl-4-hydroxybenzylidene)pyrrolidin-2-ones, anti-inflammatory/analgesic agentsα-bromolactam

InChI:InChI=1/C4H5Br2ClO/c5-2-1-3(6)4(7)8/h3H,1-2H2

Upstream product

• 96-48-0 4-butanolide 
• 927-58-2 4-bromobutyroyl chloride 
• 63164-16-9 2,4-dibromo-butyric acid 

Downstream Products

• 93623-86-0 3-Bromo-1-{[1-phenyl-meth-(Z)-ylidene]-amino}-pyrrolidin-2-one 
• 105594-20-5 5-(2-Bromo-ethyl)-3-methyl-2-[(Z)-phenylimino]-thiazolidin-4-one 
• 111504-38-2 5-Phenylamino-4-thia-6-aza-spiro[2.4]hept-5-en-7-one 
• 111504-37-1 3-Phenyl-4-thioxo-3,5-diaza-tricyclo[5.2.2.0^1,5]undecane-2,6-dione 
• 111504-36-0 7-Bromo-3-phenyl-4-thioxo-3,5-diaza-tricyclo[5.2.2.0^1,5]undecane-2,6-dione 
• 188532-49-2 (RS)-2,4-Dibromo-N-(3-nitro-phenyl)-butyramide 
• 23085-60-1 DL-2,4-dibromobutyric acid benzyl ester 
• 77629-96-0 2,4-dibromobutyric acid tert-butyl ester 
• 188532-95-8 3-bromo-1-(3-methoxyphenyl)pyrrolidin-2-one 
• 77868-84-9 1-benzyl-3-bromo-pyrrolidin-2-one 

Relevant articles and documents

Method for preparing ceftobiprole analogues

The invention relates to a method for preparing a ceftobiprole analogue as shown in a formula VII.

Indium-mediated reductive dehalogenation of α-halocarbonyl compounds in water

Reactions of various α-halocarbonyl compounds 1 with indium in the presence of a catalytic amount of sodium dodecyl sulfate in water were performed to afford the corresponding parent carbonyl compounds 2 in excellent yields. The Royal Society of Chemistry 2000.

Synthesis of β-enaminoesters and lactams by Michael addition of N- benzylaniline to new allenic esters and lactams

The synthesis of original allenic lactams 2 and allenic esters 5 is presented and their Michael condensation with N-benzylaniline described.