Process for the preparation of 1,1'-dialkyl-4,4'-bipyridinium sa

Details Process for the preparation of 1,1'-dialkyl-4,4'-bipyridinium sa Process for the preparation of 1,1'-dialkyl-4,4'-bipyridinium sa

1999-01-29

2000-07-11

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546258, C07D21322, C07D21326

Patent

active

060875046

ABSTRACT:
This invention relates to an improved method of preparing 1,1'-dialkyl-4,4'-bipyridinium salt compounds which is free of cyanic ion and contains low amount of inorganic salts.

REFERENCES:
patent: 3755337 (1973-08-01), Carey
patent: 3787426 (1974-01-01), Colchester et al.
patent: 3790585 (1974-02-01), Colchester et al.
patent: 3899500 (1975-08-01), Colchester et al.
patent: 3905986 (1975-09-01), Colchester et al.

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