Niacin prodn. by alkylpyridine oxidn. - over a solid catalyst of vanadium pentoxide promoted with titanium dioxide

Niacin prodn. by alkylpyridine oxidn. - over a solid catalyst of vanadium pentoxide promoted with titanium dioxide

Prodn. of niacin (I) from alkylpyridines (II) having beta-methyl or -ethyl substits. comprises vapour-phase oxidation with air and steam over a solid V2O5 catalyst contg. TiO2 as a promoter which has been sintered at 1250 degrees C. Pref. the V : Ti ratio is 100/25 in atom %, and the catalyst may ad...

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Hauptverfasser: TORE, LUNDIN,STEN, GUNNAR,. JAERAAS,SVEN
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Sprache:eng ; ger
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CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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GUNNAR,. JAERAAS,SVEN
description Prodn. of niacin (I) from alkylpyridines (II) having beta-methyl or -ethyl substits. comprises vapour-phase oxidation with air and steam over a solid V2O5 catalyst contg. TiO2 as a promoter which has been sintered at 1250 degrees C. Pref. the V : Ti ratio is 100/25 in atom %, and the catalyst may additionally contain alkali oxides as additional promoters.
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HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
title Niacin prodn. by alkylpyridine oxidn. - over a solid catalyst of vanadium pentoxide promoted with titanium dioxide
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