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Key Documents

377147

Sigma-Aldrich

1,1-Bis(diphenylphosphino)ethylene

98%

Synonym(s):

VDPP, Vinylidenebis(diphenylphosphine)

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About This Item

Linear Formula:
[(C6H5)2P]2C=CH2
CAS Number:
Molecular Weight:
396.40
MDL number:
UNSPSC Code:
12352002
PubChem Substance ID:

assay

98%

form

solid

reaction suitability

reagent type: ligand

mp

110-111 °C (lit.)

functional group

phosphine

SMILES string

C=C(P(c1ccccc1)c2ccccc2)P(c3ccccc3)c4ccccc4

InChI

1S/C26H22P2/c1-22(27(23-14-6-2-7-15-23)24-16-8-3-9-17-24)28(25-18-10-4-11-19-25)26-20-12-5-13-21-26/h2-21H,1H2

InChI key

GEGLBMPXRFOXTK-UHFFFAOYSA-N

Application

Reactant for preparation of:
  • Cyclometallated palladium diphosphane catalysts by Michael addition reactions
  • A-frame structures with palladacycles (chelating agent)
  • Functionalized bis-phosphine monoxide ligands catalyzed by chiral palladacycles
  • Tetranuclear palladacycles with bridging diphosphine ligands
  • Tetranuclear bromide-bridged Cu(I) complexes

  • Used as carbon-bridged diphosphine ligand in Cr-catalyzed ethylene tri- and tetramerization reactions

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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