JP2542401B

Alkenecarboxylic acid esters of the formula I …… in which R1 signifies an alkyl radical having 1 to 6 carbon atoms, R2 represents a hydrogen atom or an alkyl radical having 1 to 4 carbon atoms, where the substituents can be identical or different, and n represents 1, 2 or 3, are prepared by reacting...

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Bibliographische Detailangaben
Hauptverfasser:	RORUFU FUISHAA, FURITSUTSU NOIMAN, UORUFUGANGU HERUDERIHI
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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Beschreibung
Zusammenfassung:	Alkenecarboxylic acid esters of the formula I …… in which R1 signifies an alkyl radical having 1 to 6 carbon atoms, R2 represents a hydrogen atom or an alkyl radical having 1 to 4 carbon atoms, where the substituents can be identical or different, and n represents 1, 2 or 3, are prepared by reacting lactones of the formula II …… in which R2 has the same meaning as in formula I, R3 signifies a hydrogen atom or a methyl group and m represents 0, 1 or 2, with the proviso that the difference between n and m in the case in which R3 denotes hydrogen has the value 1 and in the case in which R3 denotes methyl has the value 2, with alkanols having 1 to 6 carbon atoms at a temperature of 50 to 450 DEG C in the presence of zeolites and/or phosphates as catalysts.