N-硝基苯基脲衍生物生物活性的研究(Ⅰ)

室内试验了N-硝基-N-(2,4,6-三氯苯基)-N＇-4-氯苯基脲对单子叶作物水稻的植物生长调节活性及对单子叶杂草稗的除草活性,结果表明该化合物对水稻无促生长活性,对稗则有显著的抑制活性。

N-(1,3,4-噻二唑-2-基)-N′-芳酰基脲的合成及其生物活性

2-氨基噻二唑与芳酰基异氰酸酯反应合成了13种N-(1,3,4-噻二唑-2基)-N'-的芳酰基脲,产率为54.5%～86.2%. 用核磁共振氢谱、红外光谱和元素分析确证了目标化合物的结构,室内的生物活性测定试验表明,目标化合物中的2b、2c、2e和2h具有优良的植物生长调节活性.

α-(吡啶-4-甲酰氧基)烃基膦酸酯的合成与植调活性

Ten of the title compounds were synthesized and their plant growth regulating activities were tes ted. All compounds were identified by 1HNMR, IR and MS analysis.