674788

5a(R),10b(S)-5a,10b-Dihydro-2-(pentafluorphenyl)-4H,6H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxaziniumtetrafluoroborat

97%

• Synonym(e): 2-Pentafluorphenyl-6,10b-dihydro-4H,5aH-5-oxo-3,10c-diaza-2-azonia cyclopenta[c]-fluorin tetrafluoroborat
• Empirische Formel (Hill-System): C₁₈H₁₁BF₉N₃O
• CAS-Nummer: 872143-57-2
• Molekulargewicht: 467.10
• MDL-Nummer: MFCD08457666
• UNSPSC-Code: 12352005
• PubChem Substanz-ID: 24885239
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 100
• Assay: 97%
• Form: solid
• mp (Schmelzpunkt): 233-237 °C
• Funktionelle Gruppe: ether; fluoro
• Lagertemp.: 2-8°C
• SMILES String: F[B-](F)(F)F.Fc1c(F)c(F)c(c(F)c1F)-[n+]2c[n@@H]3[C@@H]4[C@@H](Cc5ccccc45)OCc3n2
• InChI: 1S/C18H11F5N3O.BF4/c19-12-13(20)15(22)18(16(23)14(12)21)26-7-25-11(24-26)6-27-10-5-8-3-1-2-4-9(8)17(10)25;2-1(3,4)5/h1-4,7,10,17H,5-6H2;/q+1;-1/t10-,17+;/m1./s1
• InChIKey: CPCMDOOTVHDRTM-CVJFODCESA-N

Beschreibung

Anwendung

5a(R),10b(S)-5a,10b-Dihydro-2-(pentafluorophenyl)-4H,6H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazinium tetrafluoroborate can be used as an N-heterocyclic carbene (NHC) organocatalyst in:

• Benzoin reactions of aldehydes and total synthesis of a natural product named isodarparvinol B.
• Synthesis of spirocyclic oxindole-dihydropyranones by reacting α-bromo-α,β-unsaturated aldehydes with isatin derivatives.
• Synthesis of 1,4-dicarbonyl compounds through intramolecular Stetter reaction.

Sicherheitshinweise

• Piktogramme: GHS05
• Signalwort: Danger
• H-Sätze: H314
• P-Sätze: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Gefahreneinstufungen: Eye Dam. 1 - Skin Corr. 1B
• Lagerklassenschlüssel: 8A - Combustible corrosive hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges