420670

Ethyl 3-oxo-4-(triphenylphosphoranylidene)butyrate

97%

• Synonyme(s) : 3-Oxo-4-(triphenylphosphoranylidene)butanoic acid ethyl ester, 4-(Triphenylphosphoranylidene)acetoacetic acid ethyl ester, [3-(Ethoxycarbonyl)-2-oxopropylidene]triphenylphosphorane
• Formule linéaire : (C₆H₅)₃P=CHCOCH₂CO₂C₂H₅
• Numéro CAS: 13148-05-5
• Poids moléculaire : 390.41
• Numéro MDL: MFCD00192162
• Code UNSPSC : 12352108
• ID de substance PubChem : 24866344
• Nomenclature NACRES : NA.22

Propriétés

• Pureté: 97%
• Capacité de réaction: reaction type: C-C Bond Formation
• Chaîne SMILES: CCOC(=O)CC(=O)C=P(c1ccccc1)(c2ccccc2)c3ccccc3
• InChI: 1S/C24H23O3P/c1-2-27-24(26)18-20(25)19-28(21-12-6-3-7-13-21,22-14-8-4-9-15-22)23-16-10-5-11-17-23/h3-17,19H,2,18H2,1H3
• Clé InChI: QYXSFVCJCUXGJH-UHFFFAOYSA-N

Description

Application

Can be coupled with glyoxals in a one-step route to 4-hydroxycyclopentanones. Also used to prepare 2H-pyran-2-ones from oxazolones.

Reactant for stereoselective synthesis of:

• Polysubstituted cyclopentanones via double Michael addition reactions
• Hydroindanes via asymmetric quadruple aminocatalytic three-component domino condensation and spirocyclization
• Oxocyclohexenecarboxylates by cyclocondensation

Reactant for preparation of:

• γ-(Dioxobutylidene)butenolides
• Chain conjugated 2H-pyran-5-carboxylates
• 2-Substituted pyridoacridines with antitumor activity by means of thermolysis

Informations sur la sécurité

• 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)