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Zeitschrift für Naturforschung B

A Journal of Chemical Sciences

12 Issues per year

IMPACT FACTOR 2017: 0.757

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Selenium analogs of phenoxypropionic and phenoxyacetic herbicides

Jerzy Zakrzewski / Bogumiła Huras / Anna Kiełczewska / Maria Krawczyk
Published Online: 2018-11-09 | DOI: https://doi.org/10.1515/znb-2018-0128


Selenium analogs of phenoxyacetic herbicides, namely 2-(2,4-dichlorophenoxy)propionic acid (2,4-DP), 2-(2,4-dichlorophenoxy)acetic acid (2,4-D), 2-(4-chloro-2-methylphenoxy)propionic acid (MCPP), 2-(4-chloro-2-methylphenoxy)acetic acid (MCPA), 2-(2,4,5-trichlorophenoxy)propionic acid (2,4,5-TP), and 2-(2,4,5-trichlorophenoxy)acetic acid (2,4,5-T), were synthesized in two steps. Iodo aryl derivatives were dimerized with elemental selenium in the presence of CuO as catalyst to the corresponding diselenides. Diselenides were reduced with NaBH4 to a selenide anion and condensed with either propionic or chloroacetic acid to achieve the selenium analogs of phenoxyacetic herbicides. These selenium analogs show moderate herbicidal and fungistatic activity.

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Keywords: fungistatic activity; herbicidal activity; phenoxyacetic herbicides; phenoxypropionic herbicides; selenium analogs


About the article

Received: 2018-06-10

Accepted: 2018-10-22

Published Online: 2018-11-09

Conflict of interest: The authors declare no competing financial interest.

Citation Information: Zeitschrift für Naturforschung B, 20180128, ISSN (Online) 1865-7117, ISSN (Print) 0932-0776, DOI: https://doi.org/10.1515/znb-2018-0128.

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