High-performance liquid chromatography was adopted for the separation and determination of fomesafen and clomazone in mixed agent on the ODS-C18 column with methanol∶water = 75∶25 as mobile phase and UV detector.
采用ODS-C18反相色谱柱和紫外检测器以甲醇+水为流动相,对试样中氟磺胺草醚和异恶草松含量进行液相色谱分离、测定。
By field trials, control effect of 18% pendimethalin + clomazone WP against weeds in transplanted rice was studied.
采用田间小区试验方法,研究了18%二甲戊灵·异恶草松可湿性粉剂防除稻田杂草药效试验。
Field trials of different dose of 20% clomazone-imazethapyr ME against soybean weeds were conducted.
对不同剂量的咪草烟·异恶草松微乳剂防除大豆田杂草进行了田间试验。
Hydrolysis Kinetics of Clomazone;
异恶草酮水解动力学研究
Studies on the Toxicity of Clomazone in Water and Its Hydrolysis;
异恶草酮的水环境毒理学及其水解动力学研究
Joint—toxicity of Clomazone and Cadmium on Rana limnocharis was studied in the present investigation.
研究了异恶草酮与镉共存时对蝌蚪的联合毒性。
Synthesis Study of Herbicides Having Functional Groups of Thiochroman 、Carbonyl and Isoxazole;
二氢苯并噻喃碳酰异恶唑类除草剂的合成研究
The butenenitrile above reacted with hydroxylamine hydrochloride to give 5- amino -3- methyl-5-isoxazole which chloridized with N-chlorosuccinimide to give 5- amino 4-chlor.
本文以乙腈为原料先二聚生成3-氨基-2-丁烯腈,再与盐酸羟胺反应生成5-氨基-3-甲基-异恶唑,接着用N-氯代丁二酰亚胺氯化生成5-氨基-4-氯-3-甲基-异恶唑,然后与2-甲氧羰基-3-噻吩磺酰氯反应合成3-(4-氯-3-甲基-5-异恶唑磺酰胺基)-2-噻吩甲酸;以4-甲基-邻苯二酚为原料与二氯甲烷反应生成3,4-亚甲二氧基-甲苯,再氯甲基化得到3,4-亚甲二氧基-6-甲基苄氯;以上两种合成的原料通过Weinreb酮合成法制得Sitaxsentan,最后用饱和碳酸氢钠溶液处理得到Sitaxsentan钠盐。