590630

2-Ethinylbenzaldehyd

97%

• Lineare Formel: HC≡CC₆H₄CHO
• CAS-Nummer: 38846-64-9
• Molekulargewicht: 130.14
• MDL-Nummer: MFCD04039985
• UNSPSC-Code: 12352100
• PubChem Substanz-ID: 24881289
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 100
• Assay: 97%
• Form: solid
• mp (Schmelzpunkt): 64-67 °C (lit.)
• Funktionelle Gruppe: aldehyde
• SMILES String: [H]C(=O)c1ccccc1C#C
• InChI: 1S/C9H6O/c1-2-8-5-3-4-6-9(8)7-10/h1,3-7H
• InChIKey: ZEDSAJWVTKUHHK-UHFFFAOYSA-N

Beschreibung

Anwendung

2-Ethynylbenzaldehyde may be used in the synthesis of the following:

• iodoisoquinoline-fused benzimidazoles obtained via tandem iodocyclization of 2-ethynylbenzaldehyde with o-benzenediamine and iodine in the presence of copper(I)iodide
• N-[(7,7a-dihydroisoquinolino[2,1-a]perimidin-13-yl)methyl]-N-isopropylpropan-2-amine obtained via a multi-step process

It may also be used in the synthesis of the following substituted 2-alkynylbenzaldehydes by Sonogashira coupling:

• 2-[(2-bromophenyl)ethynyl]benzaldehyde
• 2-[(2-bromo-5-fluorophenyl)ethynyl]benzaldehyde
• 2-[(2-bromo-5-methylphenyl)ethynyl]benzaldehyde
• 2-(phenylethynyl)benzaldehyde
• 2-[(4-methylphenyl)ethynyl]benzaldehyde

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: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves