CAS: 6597-78-0; Methyl 3,6-Dichloro-2-Methoxybenzoate

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CAS号1918-00-9 麦草畏 | CAS号74-88-4 碘甲烷 | CAS号1353055-84-1 methyl 3,6-bis(... | CAS号1918-00-9 麦草畏 | CAS号1353055-83-0 methyl 2-methox... | CAS号75355-11-2 methyl 2,5-bis(...

📜5-溴水杨酸置于三氧化硫,四丁基氯化铵,碘,氯,Potassium Hydroxide,锌体系中,化学反应 13.0H,反应生成 增糖酯
参考文献:一种麦草畏甲酯的制备方法
标题:一种麦草畏甲酯的制备方法
摘要:本发明提供了一种麦草畏甲酯的制备方法,包括以下步骤:A)水杨酸和溴素,在浓硫酸中进行反应,得到5‑溴水杨酸;b)5‑溴水杨酸与氯气进行氯化反应,得到5‑溴‑3,6‑二氯水杨酸;c)5‑溴‑3,6‑二氯水杨酸在碱性条件下,在金属粉末的作用下,进行脱溴反应,得到3,6‑二氯水杨酸盐;d)3,6‑二氯水杨酸盐和卤代甲烷在甲醇和季铵盐相转移催化剂中进行甲基化反应,得到3,6‑二氯‑2‑甲氧基苯甲酸甲酯;e)蒸馏除去甲醇;f)蒸馏后的体系静置分层,有机相蒸馏,得到麦草畏甲酯.本发明提供的制备方法具有较高的收率和纯度,路线简单,生产成本低.

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:WO-2020126584-A1
优先权日:2018-12-18
标 题 :Herbicidal combinations
发明人：KRAUS HELMUT; ZAGAR CYRILL; SEISER TOBIAS; BESSAI JOHANNES; DIMITRIADI TATJANA; BLAKEN MATTHEW; LANDES ANDREAS; GRIVEAU YANNICK; REID DANIELLE; VAN THIELEN NOCHA; BROWN JEFFREY; PETERS JDAVID
权利人:BASF AGROCHEMICAL PRODUCTS BV
摘要:The present invention relates to herbicidally active combinations comprising a herbicide A and at least one herbicide B, wherein the herbicide A is R-imazamox, any non-racemic mixture of R- imazamox and S-imazamox, wherein the proportion of R-imazamox is at least 80% by weight, or an agriculturally acceptable salt or ester thereof; and the at least one herbicide B is selected from the groups b1) to b15): b1)lipid biosynthesis inhibitors; b2)acetolactate synthase inhibitors (ALS inhibitors); b3)photosynthesis inhibitors; b4)protoporphyrinogen-IX oxidase inhibitors; b5)bleacher herbicides; b6)enolpyruvyl shikimate 3-phosphate synthase inhibitors (EPSP inhibitors); b7)glutamine synthetase inhibitors; b8)7,8-dihydropteroate synthase inhibitors (DHP inhibitors); b9)mitosis inhibitors; b10)inhibitors of the synthesis of very long chain fatty acids (VLCFA inhibitors); b11)cellulose biosynthesis inhibitors; b12)decoupler herbicides; b13)synthetic auxins; b14)auxin transport inhibitors; and b15)other herbicides.

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:CN-108786678-A
优先权日:2018-06-20
标题 :A new type of microreactor and synthesis system with enhanced mixing function

专利号:JP-S61186342-A
优先权日:1985-02-13
标 题 :Synthesis method of 3,6-dichloro-2-hydroxyacetophenone