1-(4'-pyridyl)-4-pyridone, its derivatives and herbicidal use th

Details 1-(4'-pyridyl)-4-pyridone, its derivatives and herbicidal use th 1-(4'-pyridyl)-4-pyridone, its derivatives and herbicidal use th

1988-08-02

1990-12-11

Raymond, Richard L.

Chemistry: fertilizers

Processes and products

Forms or conditioning

544107, 544131, 546257, A01N 4340, A01N 4384, C07D40104, C07D41314

Patent

active

049767747

ABSTRACT:
Bipyridylium compounds of the formula: ##STR1## wherein R' has a value known for paraquat and other viologens have been found to have colorimetric and oxidation-reduction properties which make them variously useful as redox indicators, electrochromic display devices, biological mediating agents, and herbicides.

REFERENCES:
patent: 1879324 (1932-09-01), Koenigs et al.
patent: 4115101 (1978-09-01), Carlson
patent: 4259510 (1981-03-01), Johnson
patent: 4474599 (1984-10-01), Rogers et al.
Lattrell et al., Chemical Abstracts, vol. 98 (1983) 125762e.
Lattrell et al., Chemical Abstracts, vol. 100 (1984) 6201w.
Morrison, Robert T. and Robert N. Boyd, "Organic Chemistry", 4th Edition (1983) pp. 1173-1174.

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