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黑龙江大学研究人员最近研制成功一种莎稗磷除草剂,使稻田稗草有了新克星。专家鉴定认为,该成果的工艺技术达到国际先进水平。莎稗磷除草剂以廉价的硝基氯苯为原料,采用先进的催化氯化工艺合成出关键的中间体N-异丙基对氯苯胺。经过对各步工艺进行反
Researchers at Heilongjiang University recently successfully developed a barnyard-grass herbicide to give the barnyardgrass a new nemesis. Experts believe that the results of the technology reached the international advanced level. Antimirubin phosphorus herbicide cheap nitrochlorobenzene as raw material, the use of advanced catalytic chlorination process to synthesize the key intermediate N-isopropyl p-chloroaniline. After all the steps against the process