(tert-Butoxycarbonylmethyl)triphenylphosphanium bromide
Synonym(s):NSC 82468
- CAS NO.：59159-39-6
- Empirical Formula: C24H26BrO2P
- Molecular Weight: 457.34
- MDL number: MFCD00075527
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:42
What is (tert-Butoxycarbonylmethyl)triphenylphosphanium bromide?
The Uses of (tert-Butoxycarbonylmethyl)triphenylphosphanium bromide
Reactant for:
- Rhodium-catalyzed asymmetric hydrogenation reactions
- Wittig reaction
- Wittig methylenation
- Preparation of N-(phenylmethyl)-cis-pyrrolidinediacetic acid esters via double aza-Michael addition reaction
- Stereoselective preparation of of α-fluoro-α,β-unsaturated esters via deprotonation, followed by fluorination and stereoselective Wittig olefination with aldehydes
- Wittig chain extension reactions
Properties of (tert-Butoxycarbonylmethyl)triphenylphosphanium bromide
| Melting point: | 178 °C (dec.)(lit.) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | soluble in Methanol |
| form | powder to crystal |
| color | White to Almost white |
| BRN | 4631405 |
| CAS DataBase Reference | 59159-39-6(CAS DataBase Reference) |
Safety information for (tert-Butoxycarbonylmethyl)triphenylphosphanium bromide
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for (tert-Butoxycarbonylmethyl)triphenylphosphanium bromide
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