Dihydro-3-(triphenylphosphoranylidene)-2(3H)-fur

Suppliers

Names

[ CAS No. ]:
34932-07-5

[ Name ]:
Dihydro-3-(triphenylphosphoranylidene)-2(3H)-fur

[Synonym ]:
3-(Triphenylphosphoranylidene)dihydrofuran-2-(3H)-one
2-oxo-3-oxa-cyclopentylidenetriphenylphosphorane

Chemical & Physical Properties

[ Density]:
1.23g/cm3

[ Boiling Point ]:
502.1ºC at 760 mmHg

[ Molecular Formula ]:
C22H19O2P

[ Molecular Weight ]:
346.35900

[ Flash Point ]:
270.6ºC

[ Exact Mass ]:
346.11200

[ PSA ]:
36.11000

[ LogP ]:
3.09980

[ Index of Refraction ]:
1.633

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
LU5170000
CHEMICAL NAME :
2(3H)-Furanone, 3-(triphenylphosphoranylidene)-
CAS REGISTRY NUMBER :
34932-07-5
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C22-H19-O2-P
MOLECULAR WEIGHT :
346.38
WISWESSER LINE NOTATION :
T5OVYJ CUPR&R&R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
180 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04560

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-Bromdihydrofuran-2(3H)-on
  • Triphenylphosphine
  • Phosphonium,triphenyl(tetrahydro-2-oxo-3-furanyl)-, bromide (1:1)

DownStream

  • Tulipalin A
  • 3-[(4-phenylphenyl)methylidene]oxolan-2-one
  • Benzonitrile,4-[(dihydro-2-oxo-3(2H)-furanylidene)methyl]-
  • 2(3H)-Furanone,dihydro-3-[(4-nitrophenyl)methylene]-
  • 2(3H)-Furanone,dihydro-3-[(3,4,5-trimethoxyphenyl)methylene]-
  • γ-Methylene-γ-butyrolactone
  • (3E)-3-(2-furylmethylidene)oxolan-2-one
  • alpha-(3,5-di-tert-Butyl-4-hydroxybenzylidene)gamma-butyrolactone
  • (3E)-3-[(4-dimethylaminophenyl)methylidene]oxolan-2-one

Related Compounds

  • 2,5-Furandione,dihydro-3-(triphenylphosphoranylidene)-
  • Dihydro-3-[(3-Methoxyphenyl)Methyl]-2(3H)-furanone
  • dihydro-3-methyl-5-acetoxymethyl-2(3H)-furanone
  • 4,5-Dihydro-3-(p-benzyloxybenzylidene)-2(3H)-furanone
  • trans-Dihydro-3,4-bis[(3-Methoxyphenyl)Methyl]-2(3H)-furanone
  • 4,5-dihydro-3-(hydroxymethyl)-5-methylfuran-2(3H)-one