Synthesis and Herbicidal Activity of N-[2-(4,6-dimethoxypyrimidin-2-yloxy)benzylidene]-2-aryloxyacetohydrazides

doi:10.3724/SP.J.1095.2011.00633

Chinese Journal of Applied Chemistry ›› 2011, Vol. 28 ›› Issue (10): 1173-1178.DOI: 10.3724/SP.J.1095.2011.00633

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Synthesis and Herbicidal Activity of N-[2-(4,6-dimethoxypyrimidin-2-yloxy)benzylidene]-2-aryloxyacetohydrazides

SONG Hong^1,2, MAO Huiyu^1,2, SHI Deqing^1*

(1.Key Laboratory of Pesticide and Chemical Biology of Ministry of Education,
College of Chemistry,Central China Normal University,Wuhan 430079;
2.Wuhan Bioengineering Institute,Yangluo District,Wuhan)

Received:2010-10-25 Revised:2011-01-06 Published:2011-10-10 Online:2011-10-10

Abstract

Abstract:

A series of novel N-[2-(4,6-dimethoxypyrimidin-2-yloxy)benzylidene]-2-aryloxyacetohydrazides 3 was synthesized by the condensation reactions of 2-(4,6-dimethoxypyrimidin-2-yloxy)benzaldehyde 1 with various 2-aryloxyacetohydrazides 2. Their structures were characterized by IR, 1H NMR, EI-MS, ESI-MS and elemental analysis. The results of bioassay(in vivo) indicated that most of the title compounds 3 possessed good herbicidal activities against Amaranthus retroflexus in both pre-emergence and post-emergence treatments at the dose of 1.5 kg/hm2.

Key words: Pyrimidinyl carboxylic acid, 2-aryloxyacetohydrazide, herbicidal activity

CLC Number:

O626

SONG Hong1,2, MAO Huiyu1,2, SHI Deqing1*. Synthesis and Herbicidal Activity of N-[2-(4,6-dimethoxypyrimidin-2-yloxy)benzylidene]-2-aryloxyacetohydrazides[J]. Chinese Journal of Applied Chemistry, 2011, 28(10): 1173-1178.

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Synthesis and Herbicidal Activity of N-[2-(4,6-dimethoxypyrimidin-2-yloxy)benzylidene]-2-aryloxyacetohydrazides

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