261947

1,4-Bis(diphenylphosphin)butan

98%

• Synonym(e): dppb
• Lineare Formel: (C₆H₅)₂P(CH₂)₄P(C₆H₅)₂
• CAS-Nummer: 7688-25-7
• Molekulargewicht: 426.47
• Beilstein: 706446
• EG-Nummer: 231-698-7
• MDL-Nummer: MFCD00003051
• UNSPSC-Code: 12352002
• PubChem Substanz-ID: 24855845
• NACRES: NA.22

Eigenschaften

• Assay: 98%
• Form: solid
• Eignung der Reaktion: reagent type: ligand; reaction type: Alkylations; reagent type: ligand; reaction type: Heck Reaction; reagent type: ligand; reaction type: Isomerizations; reagent type: ligand; reaction type: Negishi Coupling; reagent type: ligand; reaction type: Sonogashira Coupling; reagent type: ligand; reaction type: Stille Coupling; reagent type: ligand; reaction type: Suzuki-Miyaura Coupling
• mp (Schmelzpunkt): 132-136 °C (lit.)
• Funktionelle Gruppe: phosphine
• SMILES String: C(CCP(c1ccccc1)c2ccccc2)CP(c3ccccc3)c4ccccc4
• InChI: 1S/C28H28P2/c1-5-15-25(16-6-1)29(26-17-7-2-8-18-26)23-13-14-24-30(27-19-9-3-10-20-27)28-21-11-4-12-22-28/h1-12,15-22H,13-14,23-24H2
• InChIKey: BCJVBDBJSMFBRW-UHFFFAOYSA-N

Beschreibung

Anwendung

Employed as a ligand in Pd(0)-catalyzed acylcyanation of arylacetylenes and deprotection of allyloxycarbamates.

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