Sumitomo Chemical Company, Limited

Nobuhiro Tani

Shinzo Seko

Shuzo Murata

A method for producing an oxygenated compound from a cycloalkane compound which method is characterized in that a cycloalkane compound is contacted with oxygen in the presence of a cobalt compound and a ruthenium compound.

Method for oxidizing cycloalkane compound

There is disclosed a process for producing hexahydrothieno[3,4-d]imidazole-2,4-diones of the formula (1): wherein R is the same or different and represents a lower alkyl group, an alkenyl group, an aryl group or an aralkyl group all of which may be substituted, which is characterized by the step of reacting hexahydrofuro[3,4-d]imidazole-2,4-diones of the formula (2): ##STR1## wherein R has the same meaning as described above with hydrogen sulfide in the presence of a basic compound and sulfur.

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Ibaraki, Japan

Nobuhiro Tani