SOLID LEWIS ACID CATALYST AND MANUFACTURING METHOD OF DIELS-ALDER ADDUCT USING THIS CATALYST

PROBLEM TO BE SOLVED: To provide a Lewis acid catalyst which is highly economical in that it can promote Diels-Alder reaction with high yield to monodentate and didentate dienophile compounds, using an applicable equal catalytic amount. SOLUTION: The solid Lewis acid catalyst (MAO-NTf2) is a chemica...

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Hauptverfasser:	HATANAKA YASUO, KACHI EIICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a Lewis acid catalyst which is highly economical in that it can promote Diels-Alder reaction with high yield to monodentate and didentate dienophile compounds, using an applicable equal catalytic amount. SOLUTION: The solid Lewis acid catalyst (MAO-NTf2) is a chemical compound prepared through a chemical reaction shown by Formula. This chemical compound is composed of a sulfonimide-modified polyaluminoxane in which13C-NMR of the carbonyl group is made to show a low magnetic field shift and its peak is present between 211.8 to 212.8 ppm when the chemical compound is brought into contact with cyclohexanone. COPYRIGHT: (C)2009,JPO&INPIT