Process for the production of 3-hydroxy-2-imino-(2H)-pyridinesul

Details Process for the production of 3-hydroxy-2-imino-(2H)-pyridinesul Process for the production of 3-hydroxy-2-imino-(2H)-pyridinesul

1976-05-27

1977-10-04

Rotman, Alan L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602948C, 2602948F, C07D21373

Patent

active

040524060

ABSTRACT:
A process for the production of 3-hydroxy-2-imino-1(2H)-pyridinesulphonic acid comprising oxidation of furfurol and reaction of the oxidation product with sulphamic acid is disclosed which is carried out in the presence of an oxyacid of tri- or pentavalent phosphorus.

REFERENCES:
patent: 3663555 (1972-05-01), Petersen et al.
patent: 3706753 (1972-12-01), Petersen et al.
patent: 3808218 (1974-04-01), Kristinsson et al.

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