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Synthesis and Herbicidal Evaluation of 3‐ N ‐Substituted Amino‐6‐benzyloxypyridazine Derivatives
Author(s) -
Zhang Min,
Hu FangZhong,
Zhao Ting,
Yang LiuQing,
Yang HuaZheng
Publication year - 2014
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.1831
Subject(s) - chemistry , brassica , bioassay , elemental analysis , stereochemistry , organic chemistry , horticulture , biology , genetics
A variety of 3‐ N ‐substituted amino‐6‐benzyloxypyridazine derivatives were designed and synthesized in satisfactory yields. Their structures were confirmed by IR, 1 H‐NMR, and elemental analysis; compound 5j was further determined by X‐ray diffraction crystallography. Their herbicidal activities were evaluated through barnyard grass and rape cup tests in laboratory bioassays. Most of the title compounds 5 displayed moderate herbicidal activities against the dicotyledonous plant Brassica campestris L. The most active compounds in the laboratory were also evaluated in the greenhouse.