ChemicalBook--->CAS DataBase List--->40877-09-6

40877-09-6

40877-09-6 Structure

40877-09-6 Structure
IdentificationMore
[Name]

4,4'-DICHLOROBUTYROPHENONE
[CAS]

40877-09-6
[Synonyms]

4,4'-DICHLOROBUTYROPHENONE
4-CHLORO-1-(4-CHLOROPHENYL)-1-BUTANONE
4-CHLORO-1-(4-CHLOROPHENYL)-1-OXOBUTANE
GAMMA,4-DICHLOROBUTYROPHENONE
GAMMA,P-DICHLOROBUTYROPHENONE
LABOTEST-BB LT00848184
4-Chlorophenyl 3-chloropropyl ketone
4-chloro-1-(4-chlorophenyl)butan-1-one
4',γ-Dichlorobutyrophenone
[EINECS(EC#)]

255-123-4
[Molecular Formula]

C10H10Cl2O
[MDL Number]

MFCD00018993
[Molecular Weight]

217.09
[MOL File]

40877-09-6.mol
Chemical PropertiesBack Directory
[Appearance]

clear yellow to brown liquid after melting
[Melting point ]

29-30 °C
[Boiling point ]

153-155 °C(Press: 2 Torr)
[density ]

1.2372 (estimate)
[refractive index ]

1.5600
[form ]

Pellets
[color ]

White
[BRN ]

879782
[CAS DataBase Reference]

40877-09-6(CAS DataBase Reference)
Safety DataBack Directory
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S24/25:Avoid contact with skin and eyes .
Hazard InformationBack Directory
[Chemical Properties]

clear yellow to brown liquid after melting
[Synthesis]

1-(4-Chlorophenyl)cyclobutanol

29480-09-9

4,4'-DICHLOROBUTYROPHENONE

40877-09-6

To a dry reaction tube were sequentially added 0.2 mmol 1-(4-chlorophenyl)cyclobutanol, 0.02 mmol manganese dichloride (MnCl2), 0.6 mmol trimethylsilyl chloride (TMSCl), 0.4 mmol 2-iodobenzoic acid and 1 mL acetonitrile (MeCN). The reaction mixture was stirred at 50°C for 7 hours. After completion of the reaction, the solvent was removed by distillation under reduced pressure. The crude product was purified by column chromatography using a solvent mixture of petroleum ether and ethyl acetate as eluent (20:1 v/v). The final product was 4,4'-dichlorobutyrophenone in 88.2% yield and 98% purity.

[References]

[1] Organic Letters, 2016, vol. 18, # 4, p. 684 - 687
[2] Patent: CN106008181, 2016, A. Location in patent: Paragraph 0039-0041
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

4,4'-Dichlorobutyrophenone, 97%(40877-09-6)
[Alfa Aesar]

4,4'-Dichlorobutyrophenone, 97%(40877-09-6)
[Sigma Aldrich]

40877-09-6(sigmaaldrich)
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