Chemical constitution and activity of bipyridinium herbicides. Part XIV. Reduction potential and herbicidal activity of 4,4′‐(1,3,4‐thiadiazole‐2,5‐diyl)‐ and 4,4′‐(1,3,4‐oxadiazole‐2,5‐diyl)bis(1‐methylpyridinium) diiodides | Zendy

Kennedy Debra A. | Zendy; Summers Lindsay A. | Zendy

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Chemical constitution and activity of bipyridinium herbicides. Part XIV. Reduction potential and herbicidal activity of 4,4′‐(1,3,4‐thiadiazole‐2,5‐diyl)‐ and 4,4′‐(1,3,4‐oxadiazole‐2,5‐diyl)bis(1‐methylpyridinium) diiodides

Author(s) -

Kennedy Debra A.,

Summers Lindsay A.

Publication year - 1981

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570180236

Subject(s) - chemistry , oxadiazole , aqueous solution , medicinal chemistry , stereochemistry , organic chemistry

The diquaternary salts 4,4′‐(1,3,4‐thiadiazole‐2,5‐diyl)bis(1‐methylpyridinium) diiodide and 4,4′‐(1,3,4‐oxadiazole‐2,5‐diyl)bis(1‐methylpyridinium) diiodide are reduced in aqueous solution in the p H range 5.4‐8.0 to radical cations at a potential (Eo) of ‐0.39 V and ‐0.48 V, respectively. Their activity as herbicides is reported.

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