3,4-dibromo-5H-furan-2-one

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Names

[ CAS No. ]:
149418-41-7

[ Name ]:
3,4-dibromo-5H-furan-2-one

[Synonym ]:
3,4-Dibrom-5H-furan-2-on
3,4-dibromofuran-2(5H)-one
2,3-Dibrom-4-hydroxy-cis-crotonsaeure-lacton
3,4-dibromo-5H-furan-2-one
3,4-Dibromo-2(5H)-furanone
2,3-dibromo-4-hydroxy-cis-crotonic acid-lactone

Chemical & Physical Properties

[ Density]:
2.566g/cm3

[ Boiling Point ]:
315ºC at 760 mmHg

[ Melting Point ]:
90 - 94 ℃

[ Molecular Formula ]:
C4H2Br2O2

[ Molecular Weight ]:
241.86500

[ Flash Point ]:
144.3ºC

[ Exact Mass ]:
239.84200

[ PSA ]:
26.30000

[ LogP ]:
1.54460

[ Vapour Pressure ]:
0.000449mmHg at 25°C

[ Index of Refraction ]:
1.673

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302-H317-H319

[ Precautionary Statements ]:
P280-P305 + P351 + P338

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
22-36

[ RIDADR ]:
NONH for all modes of transport

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3,4-Dibromo-5-hydroxy-2(5H)-furanone
  • 3,4-Dibromo-2-furancarboxylic acid
  • 2-Butenoic acid,2,3-dibromo-4-oxo-
  • α.β-dibromo-γ-oxy-crotonic acid
  • trans-2,3-dibromo-2-butene-1,4-diol
  • Sulfuric acid
  • Acetone

DownStream

  • 2,2'-dimethoxybiphenyl
  • 3-bromo-4-(2-methoxyphenyl)furan-2(5H)-one
  • 2-Butenoic acid,2,3-dibromo-4-oxo-
  • (2Z)-2,3-Dibromo-2-butenedioic acid
  • 4-bromo-3-(4-methylsulfanylphenyl)-2H-furan-5-one
  • 4,4'-Dimethoxybiphenyl
  • 3-bromo-4-(4-methoxyphenyl)-2(5H)-furanone
  • 3,4-diphenyl-5H-furan-2-one

Customs

[ HS Code ]: 2932209090

[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Articles

Rubrolides as model for the development of new lactones and their aza analogs as potential photosynthesis inhibitors.

Chem. Biodivers. 12 , 987-1006, (2015)

Natural phytotoxins and their synthetic analogs are a potential source of new bioactive compounds for agriculture. Analogs of rubrolides, a class of γ-alkylidene-γ-lactones isolated from different asc...


More Articles

Related Compounds

  • 5-allyl-3,4-dibromo-5H-furan-2-one
  • 5-benzoyloxy-3,4-dibromo-5H-furan-2-one
  • 5-methoxycarbonyloxy-3,4-dibromo-5H-furan-2-one
  • 3,4-dibromo-5-[(2-methoxyethoxy)methoxy]-5H-furan-2-one
  • 3,4-dibromo-5,5-di-p-tolyl-5H-furan-2-one
  • 3,4-dichloro-5H-furan-2-one