CAS: 53404-32-3; Dichlorprop-Dimethylammonium

📜2-苯氧基丙酸乙酯置于磺酰氯,叔丁基硫醇体系中,化学反应 0.5H,反应生成 2-(2,4-二氯苯氧基)丙酸二甲胺盐
参考文献:一种氯代苯氧羧酸胺盐的制备方法
标题:一种氯代苯氧羧酸胺盐的制备方法
摘要:本发明提供了一种氯代苯氧羧酸胺盐的制备方法,包括以下步骤:S1)苯氧羧酸酯在催化剂a和催化剂b的作用下,和氯化剂进行2位和/或4位的选择性氯化反应,得到氯代苯氧羧酸酯;所述催化剂a为路易斯酸;所述催化剂b具有以下结构式:R1＇‑s‑r2＇;s2)氯代苯氧羧酸酯和胺进行氨解反应,得到氯代苯氧羧酸胺盐.本发明通过对工艺路线的重新设计,对催化剂和氯化剂的精细筛选,降低了能耗,提高了氯化选择性,避免了有效成分的损失,所得氯代苯氧羧酸胺盐的收率可达98.5%以上.同时杜绝了高盐废水的产出,避免了氯代苯氧羧酸烘干及使用造成的粉尘危害,节约了能源,降低了设备投入.

专利信息

专利号:US-9999223-B2
优先权日:2008-05-21
标 题 :Herbicidal composition comprising glyphosate, glufosinate or their salts
发明人：SIEVERNICH BERND; MOBERG WILLIAM KARL; SIMON ANJA; WALTER HELMUT; EVANS RICHARD R
权利人:BASF SE
摘要:The present invention relates to a herbicidal composition which comprises:n a) at least one herbicide A selected from glyphosate, glufosinate and their salts, and b) a herbicide B which is 3-[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)pyrazol-4-ylmethylsulfonyl]-4,5-dihydro-5,5-dimethyl-1,2-oxazole [common name: pyroxasulfone]. nn The present invention relates in particular to a herbicidal composition comprising:n a) at least one herbicide A selected from glyphosate, glufosinate and their salts, b) a herbicide B which is 3-[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)pyrazol-4-ylmethylsulfonyl]-4,5-dihydro-5,5-dimethyl-1,2-oxazole [common name: pyroxasulfone], and c) at least one further herbicide C, which is selected from the herbicide groups C.1 to C.8:n C.1 herbicides of the group of acetolactate synthase inhibitors (ALS inhibitors), C.2 herbicides of the group of protoporphyrinogen oxidase inhibitors (PPO inhibitors), C.3 herbicides of the group of auxines, C.4 herbicides of the group of 4-hydroxyphenyl-pyruvate-dioxygenase inhibitors (HPPD inhibitors), C.5 herbicides of the group of phytoene desaturase inhibitors (PDS inhibitors), C.6 herbicides of the group of photosystem II inhibitors (PSII inhibitors), C.7 herbicides of the group of microtubulin inhibitors, and C.8 herbicides of the group of inhibitors of the synthesis of very long chain fatty acids (VLCFA inhibitors).

专利号:US-10506809-B2
优先权日:2015-01-15
标 题:Herbicidal combination comprising saflufenacil and glufosinate
发明人：MASSA DARIO; EVANS RICHARD; WITSCHEL MATTHIAS; SEISER TOBIAS; LIEBL REX; FRATESCHI ALEXANDRE
权利人:BASF SE
摘要:The present invention relates to a herbicidal combination which comprises:n a) a herbicide A which is 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)-pyrimidinyl]-4-fluoro-N-[[methyl-(1-methylethyl)-amino]sulfonyl]benzamide, b) a herbicide B which is glufosinate or one of its salts, and c) at least one herbicide C different from herbicides A and B which is selected fromn C.1) herbicides of the group of acetolactate synthase inhibitors which are selected from the group of triazolopyrimidine herbicides, sulfonylamino-carbonyl-triazolinone herbicides and pyrimidinyl(thio) benzoate herbicides, C.2) herbicides of the group of protoporphyrinogen oxidase inhibitors, C.3) herbicides of the group of synthetic auxins, C.4) herbicides of the group of microtubule inhibitors, C.5) herbicides of the group of acetyl-CoA carboxylase inhibitors, C.6) herbicides of the group of photosystem II inhibitors, C.7) herbicides of the group of pigment synthesis inhibitors, and C.8) herbicides of the group of VLCFA inhibitors which are selected from the group of oxyacetamide herbicides and chloroacetamide herbicides.

专利号:ES-2760600-T3
优先权日:2015-07-10
标 题:Herbicidal composition comprising cinmethyline and non-ACCase inhibitors of specific lipid synthesis