Synthesis and herbicidal activity of 3-substituted toxoflavin analogs

被引：0

作者：

Ogawa, Narihito ^{[1
]}

Imaizumi, Ryoya ^{[1
]}

Hirano, Tatsuya ^{[2
]}

Suzuki, Jun ^{[2
]}

机构：

[1] Meiji Univ, Dept Appl Chem, Tama Ku, 1-1-1 Higashimita, Kawasaki, Kanagawa 2148571, Japan

[2] Hokko Chem Ind Co Ltd, 2165 Toda, Atsugi, Kanagawa 2430023, Japan

来源：

JOURNAL OF PESTICIDE SCIENCE | 2021年 / 46卷 / 03期

关键词：

Toxoflavin analogs; herbicidal activity; CONVENIENT SYNTHESIS; PHOTOSYNTHESIS; INHIBITOR;

D O I：

10.1584/jpestics.D21-010

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

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.

引用

页码：278 / 282

页数：5

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