Method for the purification of 6-methoxy-1-phenazinol 5,10-dioxi

Details Method for the purification of 6-methoxy-1-phenazinol 5,10-dioxi Method for the purification of 6-methoxy-1-phenazinol 5,10-dioxi

1975-02-12

1976-06-29

Coughlan, Jr., Paul M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260242, 424245, C07D24152

Patent

active

039667340

ABSTRACT:
A novel improved procedure is described for the preparation of various metal complexes of 6-methoxy-1-phenazinol 5,10-dioxide by the reaction between 6-methoxy-1-phenazinol 5,10-dioxide and a metal salt or hydroxide in an aqueous suspension or a solution in aqueous mineral acid. Preferred metals disclosed as suitable for use in the process are calcium, strontium, magnesium and iron. Utility of the ferric chloride complex and the calcium complex in the purification of 6-methoxy-1-phenazinol 5,10-dioxide is also disclosed.

REFERENCES:
patent: 3586674 (1971-06-01), Leimgruber et al.

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