CH603621

A process for preparing a compound of the formula wherein R and R1 independently are selected from hydrogen and C1-C4 alkyl groups, which comprises catalytically hydrogenating a compound of formula wherein R and R1 are as defined above and X is halogen using platinum oxide as catalyst.

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Bibliographische Detailangaben
1. Verfasser:	JOHN T. SUH
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A process for preparing a compound of the formula wherein R and R1 independently are selected from hydrogen and C1-C4 alkyl groups, which comprises catalytically hydrogenating a compound of formula wherein R and R1 are as defined above and X is halogen using platinum oxide as catalyst.