Process for production of zinc 2-mercaptopyridine-n-oxide

Details Process for production of zinc 2-mercaptopyridine-n-oxide Process for production of zinc 2-mercaptopyridine-n-oxide

1985-01-25

1986-12-30

Berch, Mark L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D21389

Patent

active

046329919

ABSTRACT:
The present invention relates to a process for the preparation of zinc 2-mercaptopyridine-N-oxide in a readily filterable, washable and easily suspendable form which comprises reacting an aqueous solution of an alkali metal salt of 2-mercaptopyridine-N-oxide with an aqueous solution of a water soluble zinc salt at a temperature of 35.degree. to 100.degree. C. in the presence of an at least partially water soluble organic solvent to form a precipitate of zinc 2-mercaptopyridine-N-oxide, recovering the said crystals and optionally comminuting the crystals.

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Davis et al., Chem. Abs. 100, 39616p, (1983).
Jerchel et al., Chem. Abs. 49, 11579(g), 1954.
McCutcheon's Detergents and Emulsifiers, 1975 Annual, pp. 18, 27, 45, 55, 57, 78, 82, 83, 91, 133.
Kirk-Othmer, Encyclopedia of Chem. Technology, 3rd Edition, vol. 8, pp. 912-915.

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