232238

Pyridinium-p-toluolsulfonat

98%

• Synonym(e): p-Toluolsulfonsäure Pyridinsalz, PPTS, Pyridin p-toluolsulfonat
• Empirische Formel (Hill-System): C₁₂H₁₃NO₃S
• CAS-Nummer: 24057-28-1
• Molekulargewicht: 251.30
• Beilstein: 3764305
• EG-Nummer: 246-002-7
• MDL-Nummer: MFCD00013108
• UNSPSC-Code: 12352106
• PubChem Substanz-ID: 24853887
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 200
• Assay: 98%
• Form: solid
• SMILES String: c1ccncc1.Cc2ccc(cc2)S(O)(=O)=O
• InChI: 1S/C7H8O3S.C5H5N/c1-6-2-4-7(5-3-6)11(8,9)10;1-2-4-6-5-3-1/h2-5H,1H3,(H,8,9,10);1-5H
• InChIKey: ZDYVRSLAEXCVBX-UHFFFAOYSA-N

Beschreibung

Anwendung

As a co-catalyst with L-proline improved both yield and enantioselectivity of an asymmetric aldol condensation between dioxanones and aldehydes.

Efficient catalyst for the preparation of tetrahydropyranyl ethers (for OH-protection using DHP, cat. no. D106208).

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 2
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves