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| | VINYLTRIPHENYLPHOSPHONIUM BROMIDE Basic information | | Uses |
| | VINYLTRIPHENYLPHOSPHONIUM BROMIDE Chemical Properties |
| Melting point | 176-178 °C (lit.) | | storage temp. | 2-8°C | | form | solid | | Sensitive | Light Sensitive & Hygroscopic | | BRN | 4168860 | | CAS DataBase Reference | 5044-52-0(CAS DataBase Reference) |
| | VINYLTRIPHENYLPHOSPHONIUM BROMIDE Usage And Synthesis |
| Uses | Triphenylvinylphosphonium Bromide has been used to enhance the thermal stability of epoxy resin. It is commonly used as a Wittig reagent. | | Chemical Properties | WHITE TO BEIGE FINE CRYSTALLINE POWDER | | Uses | 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. | | Preparation | The preparation of TriphenylvinylphosphoniuM BroMide has been accomplished by treatment of ethylenebis(triphenylphosphonium) dibromide with borate ion (32%), (2-chloroethyl)triphenylphosphonium bromide with Triethylamine (72%), (2-bromoethyl)triphenylphosphonium bromide with Silver(I) Oxide (85%), and (2- phenoxyethyl)triphenylphosphonium bromide with boiling ethyl acetate (92%). | | reaction suitability | reaction type: C-C Bond Formation | | storage | hygroscopic; irritant; produces sneezing in many individuals. Use in a fume hood. |
| | VINYLTRIPHENYLPHOSPHONIUM BROMIDE Preparation Products And Raw materials |
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