235040

1-Phenyl-1-trimethylsiloxy-ethylen

98%

• Synonym(e): α-(Trimethylsiloxy)-styrol, Acetophenonenol-trimethylsilylether
• Lineare Formel: C₆H₅C(=CH₂)OSi(CH₃)₃
• CAS-Nummer: 13735-81-4
• Molekulargewicht: 192.33
• Beilstein: 1306914
• EG-Nummer: 237-308-1
• MDL-Nummer: MFCD00008582
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24854075
• NACRES: NA.22

Eigenschaften

• Dampfdichte: >1 (vs air)
• Qualitätsniveau: 100
• Assay: 98%
• Form: liquid
• Brechungsindex: n20/D 1.502 (lit.)
• bp: 88-89 °C/11 mmHg (lit.)
• Dichte: 0.938 g/mL at 25 °C (lit.)
• Funktionelle Gruppe: phenyl
• Lagertemp.: 2-8°C
• SMILES String: C[Si](C)(C)OC(=C)c1ccccc1
• InChI: 1S/C11H16OSi/c1-10(12-13(2,3)4)11-8-6-5-7-9-11/h5-9H,1H2,2-4H3
• InChIKey: AFFPCIMDERUIST-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

1-Phenyl-1-trimethylsiloxyethylene is a styrene type silyl enol ether, reacts with formaldehyde and 2,4-pentanedione to yield the corresponding dihydropyran. It also undergoes Mukaiyama aldol reaction with aldehydes in water in the presence of amphiphilic calix[6]arene derivatives as surfactants.

Anwendung

1-Phenyl-1-trimethylsiloxyethylene has been used in the synthesis of:

• β-amino ketones in water via Mannich-type reaction
• cis-2,6-disubstituted dihydropyrans via three-component, one-pot cascade reaction

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H315,H319,H335
• P-Sätze: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 10 - Combustible liquids
• WGK: WGK 3
• Flammpunkt (°F): 168.8 °F - closed cup
• Flammpunkt (°C): 76 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type ABEK (EN14387) respirator filter