A new process for the synthesis of ureas based on the selective REDOX carbonylation of amine and nitro compounds was described.
本文概述了胺硝基物选择氧化还原羰基化生成脲的新工艺路线。
The third chapter was devoted to the study of quantitative structure-activity relationship(QSAR) for indazolyl ureas as TRPV1 antagonists.
第三章致力于吲唑脲类辣椒素受体（TRPV1）通道拮抗剂的定量构效关系（QSAR）研究。
By retrieving concerned Literatures, this article discussed comprehensively the biological activities of phenyl ureas, acyl ureas and tetrazoles.
本文通过检索文献，对苯脲类、酰基脲类、酰基硫脲类及四唑类化合物的生物活性作了系统的论述。
Results also showed that the molecular weight of PEG flexible spacers in chain-extended ureas basically had no influence on the reactive activity of the ureas.
扩链脲的反应活性基本不受分子中聚乙二醇链段分子量的影响。
Eight substituted ureas herbicides were synthesized with bis(trichloromethyl) carbonate(BTC). The production structures were identified by elemental analysis and IR.
用二（三氯甲基）碳酸酯（BTC）代替光气，“一锅法”合成了8种取代脲类除草剂，产物结构经元素分析、IR确证。
The result of the test shows that the activity against the plant pathogen fungi of most of the tested compounds is better than that of Benzoylphenyl Ureas as the control (PH6042).
实验结果表明大部分 被测试化合物的抗植物病原体真菌活性优于对照品灭幼唑（PH6042）。
The invention relates to novel specifically trifluoromethyl and halogen substituted 1,3-diphenyl ureas and their use as active ingredients in the preparation of pharmaceutical compositions.
本发明涉及新的特别由三氟甲基和卤素取代的1，3-二苯基脲，以及它们在药物组合物的制备中作为活性成分的用途。
The invention relates to novel specifically trifluoromethyl and halogen substituted 1,3-diphenyl ureas and their use as active ingredients in the preparation of pharmaceutical compositions.
本发明涉及新的特别由三氟甲基和卤素取代的1，3-二苯基脲，以及它们在药物组合物的制备中作为活性成分的用途。
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