CAS: 1713-12-8; N-Butyl 4-Chloro-2-Methylphenoxyacetate

上下游产品

butyl chloroacetate ortho-cresol methyl 2-methylphenoxy acetate methyl 2-(4-chloro-2-methylphenoxy)acetatesodium 2-methyl-4-chlorophenoxyacetate MCPA

📜氯乙酸正丁酯置于silica-Supported Zncl2 (30%),氯化亚砜,Potassium Carbonate体系中,化学反应 4.5H,反应生成2-(4-氯-2-甲基-苯氧基)乙酸丁酯
参考文献:一种苯氧羧酸类除草剂的制备方法
标题:一种苯氧羧酸类除草剂的制备方法
摘要:本发明提供了一种苯氧羧酸类除草剂的制备方法,包括:S1,将无水酚,碱性物质与氯代羧酸酯混合,在无水体系中一锅法缩合反应,得到苯氧羧酸酯;所述氯代羧酸酯的通式为clr1Coor,R1为c1~3的亚烷基或次烷基,R为c1~10的烷基或c3~10的环烷基;S2,将所述苯氧羧酸酯在第一催化剂和第二催化剂作用下,与氯化剂进行选择性氯化,得到氯代苯氧羧酸酯;所述第一催化剂选自路易斯酸,第二催化剂为c5~22的硫醚类化合物,噻唑类化合物,异噻唑类化合物或噻吩类化合物;S3,将所述氯代苯氧羧酸酯进行酸解反应,得到式i所示苯氧羧酸类除草剂,R3为h,Cl或ch3.本发明能改善产品品质和生产操作环境,三废低.

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