Process for manufacturing a diketone

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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C07D30728

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049048058

ABSTRACT:
A process for the manufacture of ketopantolactone of the formula ##STR1## from pantolactone, which comprises dehydrogenating pantolactone in the presence of a vanadium oxide-containing or molybdenum oxide-containing catalyst with oxygen or an oxygen-containing gas in the gas phase.

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Beilsteins Handbuch der Organischen Chemie, 4th edition, Suppl. III/IV, vol. 17(7), p. 5848 (1975).
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Doleschall, G. et al., Tetrahderon 36:1649-1665 (1980).
Kuhn et al., Chem. Ber. 75B, 121-123 (1942), Chem. Abst. 37:2717.sup.6 (1943).
S. H. Lipton et al., J. Amer. Chem. Soc. 71, 2364-2367 (1949).
O. Nagase et al., Chem. Pharm. Bull. 17(2), 398-399 (1969).
Derwent (62344B/34 Bo3) abstract of J5 4088-257, 07-13-79.

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