Pyridine-based compounds, especially phosphonates

Details Pyridine-based compounds, especially phosphonates Pyridine-based compounds, especially phosphonates

1997-06-25

1998-09-15

Wu, Shean C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

987102, C07F 906, C07F 958

Patent

active

058080724

ABSTRACT:
A class of pyridine phosphonate compounds is disclosed that are useful as ligands in the one manufacture of oxidation-reduction catalysts. In particular, pyridine-2,6-disphosphonic acid is a specie of the pyridine phosphonate ligands that can be combined with a polyvalent metal to produce a catalyst to convert hydrogen sulfide to solid sulfur.

REFERENCES:
patent: 5591419 (1997-01-01), McManus et al.
patent: 5686613 (1997-11-01), McManus et al.

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