Synthesis and herbicidal activity of 3-substituted toxoflavin analogs
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- Ogawa Narihito
- Department of Applied Chemistry, Meiji University
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- Imaizumi Ryoya
- Department of Applied Chemistry, Meiji University
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- Hirano Tatsuya
- Hokko Chemical Industry Co., Ltd.
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- Suzuki Jun
- Hokko Chemical Industry Co., Ltd.
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Abstract
<p>We investigated the synthesis and herbicidal activity of 23 toxoflavin analogs, 1a–w, in which aromatic rings (R) were introduced into the C-3 position. In paddy field conditions, 1k (R=2-CF3–C6H4) and 1w (R=2-thienyl) showed excellent herbicidal activity. Under upland field conditions, we found that toxoflavin analogs 1a (R=C6H5), 1n (R=2-CH3O–C6H4), and 1p (R=4-CH3O–C6H4) exhibited wide herbicidal spectrum against Echinochloa crus-galli (L) var. crus-galli (ECHCG), Chenopodium album, and Amaranthus viridis (AMAVI). The analog with the 2-fluoro group on benzene ring 1b also showed high herbicidal activity against both ECHCG and AMAVI.</p>
Journal
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- Journal of Pesticide Science
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Journal of Pesticide Science 46 (3), 278-282, 2021-08-20
Pesticide Science Society of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390852174975895168
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- NII Article ID
- 130008080971
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- NII Book ID
- AA11818622
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- ISSN
- 13490923
- 03851559
- 1348589X
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- NDL BIB ID
- 031829987
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed