Abstract

AbstractAcylierung von Thiophen (I) mit den Säureanhydriden (II) in Gegenwart des Titelkata1ysators in CH2Cl2 liefert die 2‐Acylthiophene (III); wird die Reaktion von (I) mit (IIb) in 1,2‐Dichlorethan durchgeführt, so steigt die Ausb. an (IIIb) auf 89%.

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