Process for the production of zinc 2-mercaptopyridine N-oxide

Details Process for the production of zinc 2-mercaptopyridine N-oxide Process for the production of zinc 2-mercaptopyridine N-oxide

1986-07-15

1987-04-21

Berch, Mark L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D21389

Patent

active

046598308

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.

REFERENCES:
patent: 2809971 (1957-10-01), Benstein
patent: 3700676 (1972-10-01), Damico
patent: 3785985 (1974-01-01), Grand
patent: 4323683 (1982-04-01), Bolich, Jr.
patent: 4533736 (1985-08-01), Trotz et al.
Daus et al., Chem. Abs. 100, 39616p (1983).

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