Synthesis and Herbicidal Activity of 1, 5-Diarylpyrazole Derivatives

A series of diarylpyrazolecarboxylates and carboxamides were prepared, and their herbicidal activities were investigated. Some of these compounds showed noticeable pre-emergent herbicidal activities against various kinds of weeds. Among the synthesized compounds, methyl 4-chloro-1-(2, 5-difluorophen...

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Veröffentlicht in:	Chemical & pharmaceutical bulletin 1999/06/15, Vol.47(6), pp.857-868
Hauptverfasser:	KUDO, Noriaki, FURUTA, Satoru, TANIGUCHI, Misa, ENDO, Takeshi, SATO, Kazuo
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Chemical control Fundamental and applied biological sciences. Psychology herbicide imidazolecarboxamide imidazolecarboxylate Parasitic plants. Weeds Phytopathology. Animal pests. Plant and forest protection pyrazolecarboxamide pyrazolecarboxylate Weeds
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Zusammenfassung:	A series of diarylpyrazolecarboxylates and carboxamides were prepared, and their herbicidal activities were investigated. Some of these compounds showed noticeable pre-emergent herbicidal activities against various kinds of weeds. Among the synthesized compounds, methyl 4-chloro-1-(2, 5-difluorophenyl)-5-(4-flurophenyl)-pyzazole-3-carboxylate 19t exhibited good activity. Diarylimidazolecarboxylates and carboxamides were also synthesized, but they did not show any herbicidal activities.
ISSN:	0009-2363 1347-5223
DOI:	10.1248/cpb.47.857