CAS: 94-11-1; 2,4-D Isopropyl Ester

上下游产品

2,4-Dichlorophenoxyacetic acid isopropyl alcohol isopropyl chloroacetate 2,4-dichlorophenol2,4-Dichlorophenoxyacetic acid 2,4-dichlorophenoxyacetic acid iso°Ctyl ester sodium 2,4-dichlorophenoxyacetate diethylammonium 2,4-dichlorophenoxyacetate

📜Isopropyl 2-Phenoxyacetate置于磺酰氯,Magnesium Chloride体系中,化学反应 0.5H,以99.09%的收率获得产物2,4-二氯苯氧乙酸异丙酯
参考文献:一种氯代苯氧羧酸酯的制备方法
标题:一种氯代苯氧羧酸酯的制备方法
摘要:本发明提供一种氯代苯氧羧酸酯的制备方法,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＇;所述苯氧羧酸酯具有式ⅰ~式ⅳ任一结构;s2)氯代苯氧羧酸酯和醇在催化剂的作用下进行酯交换反应,得到长链氯代苯氧羧酸酯;所述醇的分子式为r2Oh,所述r2为c4~20的烷基或环烷基.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,提高了氯代苯氧羧酸酯的收率和纯度,所得氯代苯氧羧酸酯的含量可达98.5%以上,收率可达98.5%以上.

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-3891653-A
优先权日:1970-07-08
标题 :Substituted 4-5 dehydro-tetrazolo(1,5-a)quinolenes
发明人：DREIKORN BARRY A
权利人:LILLY CO ELI
摘要:Methods employing and compositions comprising, for the control of plant-pathogenic fungal organisms, specified tetrazolo(1,5a)quinoline compounds, some of which are claimed as novel compounds; and novel methods and novel intermediates for the synthesis of the compounds.

专利号:US-10375959-B2
优先权日:2015-01-22
标 题:Ternary herbicidal combination comprising saflufenacil
发明人：MASSA DARIO; EVANS RICHARD; SEISER TOBIAS; WITSCHEL MATTHIAS; LIEBL REX; FRATESCHI ALEXANDRE
权利人:BASF AGRO BV
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 single herbicide B selected from sulfentrazone, flumioxazin, dicamba and their salts and esters, 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, 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 selected from chloroacetamide herbicides, oxyacetamide herbicides, acetamide herbicides and tetrazolinone herbicides; n provided that the herbicidal combination does not include pyroxasulfone; provided that in case the components b) or c) comprise dicamba or one of its salts or esters the herbicidal combination does not include imazapyr or one of its salts; and provided that if component b) is flumioxazin and component c) is 2,4-D, 2,4-D is present as its 2-ethylhexyl ester.

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