Process for the preparation of 5-nitro-1,4-naphthoquinones
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4-Me3CC6H4CHO was prepd. by oxidn. of 4-Me3CC6H4Me by a Mn3+ salt, esp. Mn2(SO4)3, in turn prepd. by electrochem. oxidn. of a Mn2+ salt in a sep. reaction vessel. Data for 3 runs were given. [on SciFinder (R)] ...
In this process a carrier (Mn+) is electrochem. oxidized (or reduced) and then allowed to react with the org. compd. in a sep. vessel. When the reaction is complete a sepn. of product is made and the spent liquor is returned to the electrochem. cell where ...
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A report from a symposium describing the electrochem. oxidn. of arom. hydrocarbons to benzoquinones with Mn2(SO4)3 in concd. H2SO4. A simple reactor for the electrochem. regeneration of Mn3+ from Mn2+ is also described. [on SciFinder (R)] ...
The electrochem. prepn. of Mn2(SO4)3 [13444-72-9] was studied in concd. H2SO4 (15-17M). The reaction must be effected at high temp. (80-90 Deg) and in the presence of Ag ion as catalyst. [on SciFinder (R)] ...
A new industrial process for the electrolytic regeneration Mn2(SO4)3 is presented in which: a slurry of MnSO4/Mn2(SO4)3 in 55% H2SO4 was used as a carrier, the electrolyte is purified with an optimum mode before electrogeneration, and a new industrial elec ...
