2(3H)-Furanone,3-bromodihydro-5-methyl-

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Names

[ CAS No. ]:
25966-39-6

[ Name ]:
2(3H)-Furanone,3-bromodihydro-5-methyl-

[Synonym ]:
EINECS 247-380-6
2-bromo-2-methylbutyrolactone
MFCD00005388

Chemical & Physical Properties

[ Density]:
1.618g/cm3

[ Boiling Point ]:
254.1ºC at 760mmHg

[ Molecular Formula ]:
C5H7BrO2

[ Molecular Weight ]:
179.01200

[ Flash Point ]:
107.5ºC

[ Exact Mass ]:
177.96300

[ PSA ]:
26.30000

[ LogP ]:
1.08530

[ Vapour Pressure ]:
0.0175mmHg at 25°C

[ Index of Refraction ]:
n20/D 1.493(lit.)

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS05, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H314-H335

[ Precautionary Statements ]:
P261-P280-P305 + P351 + P338-P310

[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
C

[ Risk Phrases ]:
R34;R36/37

[ Safety Phrases ]:
S26;S27;S28;S45;S36/S37/S39

[ RIDADR ]:
UN 3265 8/PG 2

[ Packaging Group ]:
III

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • γ-Valerolactone
  • Alpha-Methyl-Gamma-Butyrolactone
  • 2,4-dibromopentanoyl bromide
  • Benzyl alcohol

DownStream

  • γ-Valerolactone
  • ethyl (1R,2R)-2-methylcyclopropane-1-carboxylate
  • 5-methyl-3-(triphenyl-λ5-phosphanylidene)oxolan-2-one
  • 3-diethoxyphosphoryl-5-methyloxolan-2-one
  • Dihydro-5-methyl-3-methylene-2(3H)-furanone
  • 2-methyl-4-phenylsulfanyl-2H-furan-5-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

Synthesis of azepino[4,5-b]indolones via an intermolecular radical oxidative substitution of N-Boc tryptamine.

Org. Biomol. Chem. 7(7) , 1388-1396, (2009)

A two-step protocol for the synthesis of azepino[4,5-b]indolone derivatives featuring a xanthate radical oxidative aromatic substitution on the N-Boc protected tryptamine, using dilauroyl peroxide (DL...


More Articles

Related Compounds

  • 2(3H)-Furanone,3-bromodihydro-3-methyl-
  • 2(3H)-Furanone,3-acetyldihydro-5-methyl-
  • 2(3H)-Furanone, 3-acetyl-5-methyl- (9CI)
  • 2(3H)-Furanone,3-[(dimethylamino)methylene]-5-methyl-(9CI)
  • 2(3H)-Furanone,3,5-bis[(3,4-dimethoxyphenyl)methyl]dihydro-
  • 2(3H)-Furanone,3-(3-furanylcarbonyl)dihydro-5-methyl-
  • [(E)-[4-(2-Phenyl-5-methyl-4-oxazolylmethoxy)benzyloxy]imino](4-bromophenyl)acetic acid
  • 4-(5,5-Dimethyl-3-pyrrolidinyl)morpholine
  • 2-[3-(2-Methylpropoxy)phenyl]acetonitrile
  • 5-Bromo-2-(3-chloro-2-hydroxypropoxy)benzaldehyde
  • [4-(2,2-Difluoroethoxy)-5-methoxy-2-nitrophenyl]methanol
  • 4-Ethoxy-3-ethylpyridine
  • 4-Isopropyl-3-trifluoromethylbenzoic acid methyl ester
  • Methyl 4-amino-2,3,6-trifluorobenzeneacetate
  • 2,2',3,6,6'-Pentabromobiphenyl
  • 1,1a(2):2a(2),1a(2)a(2):4a(2)a(2),1a(2)a(2)a(2)-Quaterphenyl, 4-bromo-
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