Method for extending the activity of acidic ion exchange catalysts

A ketone is reacted with a phenol in a condensn. reaction in the presence of an acidic cation exchange resin having organomercaptan promoter gps. and 0.01-0.5 wt.% based on the reaction mixt. of 3-mercaptopropionic acid or an organic ester thereof.

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Bibliographische Detailangaben
1. Verfasser:	CIPULLO, MICHAEL JOHN
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A ketone is reacted with a phenol in a condensn. reaction in the presence of an acidic cation exchange resin having organomercaptan promoter gps. and 0.01-0.5 wt.% based on the reaction mixt. of 3-mercaptopropionic acid or an organic ester thereof.