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The discovery of imazamox,a new broad-spectrum imidazolinone herbicide

机译：一种新型广谱咪唑啉酮除草剂咪唑胺的发现

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摘要

The new soybean herbicide,imazamox,1 differs significantly form the other imidzaolinone herbicides bacuase of its soil residual beahvior,allowing rotaitional planting of imidazolinone-sensitie crops.HTis beahivor was the key to its discovery.In ord erto detemine if soil persistence could be relatee to strucutre,and early set of imidzolinone analogs had been field stested.A synthesei sporgrma was subsequently undertaken to optimize activity and to find active ocmpounds with reduced hydrolytic or metabolic stabilty.Some of these mnewer analogs had much less pre- than postemergence greenhouse activity,and we hypothesized which substituents were repsonsible for their soil deactiveation.The results poointed to advanced stuides of the highly active 5-mehtoxymethyl ocmpound.1.in soil,1 undergoes degradation to the 5-carboxy analog,9,a compound with low herbicidal activity.
机译：新的大豆除草剂imazamox 1与其他咪唑啉酮除草剂的土壤残留物有所不同，从而可以轮作种植咪唑啉酮敏感性作物。HTis农药是其发现的关键。进行结构测试，并已对早期的咪唑啉酮类似物进行了现场测试。随后进行了合成孢子囊，以优化活性并发现水解或代谢稳定性降低的活性化合物。其中一些较新的类似物比发芽后的温室活动要少得多，结果表明，土壤中高活性的5-甲氧甲基甲基化合物1的高级研究结果1.降解为5-羧基类似物9，这是一种除草活性低的化合物。

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