219592

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

98%

• Empirical Formula (Hill Notation): C₂₄H₂₆BrO₂P
• CAS Number: 69891-92-5
• Molecular Weight: 457.34
• Beilstein: 4117571
• EC Number: 274-189-5
• MDL number: MFCD00012000
• UNSPSC Code: 12352005
• PubChem Substance ID: 24853138

Properties

• Assay: 98%
• form: solid
• reaction suitability: reaction type: C-C Bond Formation
• mp: 193-195 °C (lit.)
• 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

Safety Information

• 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