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150193

Sigma-Aldrich

Triphenylvinylphosphonium bromide

97%

Synonym(s):

Ethenyltriphenylphosphonium bromide, NSC 84065, Schweizer’s Reagent, Vinyltriphenylphosphonium bromide

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About This Item

Linear Formula:
CH2=CHP(Br)(C6H5)3
CAS Number:
5044-52-0
Molecular Weight:
369.23
Beilstein:
4168860
EC Number:
225-740-3
MDL number:
MFCD00011807
UNSPSC Code:
12352002
PubChem Substance ID:
24848845
NACRES:
NA.22

Assay

97%

reaction suitability

reaction type: C-C Bond Formation

mp

176-178 °C (lit.)

storage temp.

2-8°C

SMILES string

[Br-].C=C[P+](c1ccccc1)(c2ccccc2)c3ccccc3

InChI

1S/C20H18P.BrH/c1-2-21(18-12-6-3-7-13-18,19-14-8-4-9-15-19)20-16-10-5-11-17-20;/h2-17H,1H2;1H/q+1;/p-1

InChI key

VRAYVWUMBAJVGH-UHFFFAOYSA-M

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Application

Reactant involved in:
  • Asymmetric conjugate addition and intramolecular cyclization
  • Condensation with benzoxazinediones
  • Intramolecular dehydrobromination
  • Schweizer reaction
  • Cycloaddition with nitro ketone Baylis-Hillman adducts
Reagent for the synthesis of heterocycles.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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