708569

(S)-5-Benzyl-2-mesityl-6,6-dimethyl-6,8-dihydro-5H-[1,2,4]triazolo[3,4-c][1,4]oxazin-2-ium tetrafluoroborate

• Formule empirique (notation de Hill): C₂₃H₂₈BF₄N₃O
• Numéro CAS: 925706-40-7
• Poids moléculaire : 449.29
• Numéro MDL: MFCD16621403
• Code UNSPSC : 12352005
• ID de substance PubChem : 329762808
• Nomenclature NACRES : NA.22

Propriétés

• Forme: solid
• Pf: 200-206 °C
• Chaîne SMILES: F[B-](F)(F)F.CC1=C(C(C)=CC(C)=C1)[N+]2=CN3C(COC(C)(C)[C@@H]3CC4=CC=CC=C4)=N2
• InChI: 1S/C23H28N3O.BF4/c1-16-11-17(2)22(18(3)12-16)26-15-25-20(13-19-9-7-6-8-10-19)23(4,5)27-14-21(25)24-26;2-1(3,4)5/h6-12,15,20H,13-14H2,1-5H3;/q+1;-1/t20-;/m0./s1
• Clé InChI: PVYSZYZMWZCJCT-BDQAORGHSA-N

Description

Application

Catalyst for:

• Intermolecular conjugate addition of alcohols to unsaturated ketones and esters
• Preparation of β-amino carbonyl compounds by N-heterocyclic carbene-catalyzed enantioselective Mannich reactions of a-aryloxyacetaldehydes with imines
• Asymmetric synthesis of cyclopentenes from allyl diketones by carbene-catalyzed intramolecular aldol reaction, lactonization, and carbon dioxide expulsion
• Preparation of esters via tandem oxidation of allylic/benzylic/propargyl alcohols or aldehyde

Informations sur la sécurité

• Mentions de danger: H413
• Conseils de prudence: P273 - P501
• Classification des risques: Aquatic Chronic 4
• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• Équipement de protection individuelle: Eyeshields, Gloves, type N95 (US)