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219592 Sigma-Aldrich

2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide

98%

  • CAS Number 69891-92-5

  • Empirical Formula (Hill Notation) C24H26BrO2P

  • Molecular Weight 457.34

  •  Beilstein/REAXYS Number 4117571

  •  EC Number 274-189-5

  •  MDL number MFCD00012000

  •  PubChem Substance ID 24853138

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Properties

Related Categories C-C Bond Formation, Chemical Synthesis, Olefination, Synthetic Reagents, Wittig Reagents More...
assay   98%
reaction suitability   reaction type: C-C Bond Formation
mp   193-195 °C (lit.)
storage temp.   room temp
SMILES string   [Br-].C1COC(CC[P+](c2ccccc2)(c3ccccc3)c4ccccc4)OC1
InChI   1S/C24H26O2P.BrH/c1-4-11-21(12-5-1)27(22-13-6-2-7-14-22,23-15-8-3-9-16-23)20-17-24-25-18-10-19-26-24;/h1-9,11-16,24H,10,17-20H2;1H/q+1;/p-1
InChI key   XETDBHNHTOJWPZ-UHFFFAOYSA-M

Description

Application

2-(1,3-Dioxan-2-yl)ethyltriphenylphosphonium bromide can be used:
• As a three-carbon homologating agent used to prepare α,β- or β,γ- unsaturated compounds.
• In the olefination of methyl 5-oxopentanoate to yield methyl 7-(1,3-dioxan2-yl)hept-(5Z)-enoate.
• As a cathode interfacial layer material in polymer solar cells.

Reactant for:
• Wittig olefination

Packaging

5, 25 g in glass bottle

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles
Peer-Reviewed Papers
15

References

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