CAS: 94-81-5; 4-(4-Chloro-2-Methylphenoxy)Butanoic Acid

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📜4-氯-2-甲基苯酚置于potassium Carbonate,Sodium Hydroxide体系中,用 二甲基亚砜 作为反应溶剂,化学反应生成 2甲4氯丁酸
参考文献:α-(取代的苯氧基丁酰氧基或戊酰氧基)烷基膦酸酯和2-(取代的苯氧基丁酰氧基)烷基-5,5-二甲基-1,3,2-二氧杂膦酸酯-2-酮的合成及除草活性
标题:α-(取代的苯氧基丁酰氧基或戊酰氧基)烷基膦酸酯和2-(取代的苯氧基丁酰氧基)烷基-5,5-二甲基-1,3,2-二氧杂膦酸酯-2-酮的合成及除草活性
摘要:在我们对烷基膦酸酯的修改工作的基础1,一系列α-(取代的phenoxybutyryloxy或戊酰氧基)烷基膦酸酯(4-5)和2-(取代的phenoxybutyryloxy)烷基-5,5-二甲基-1,3,2-设计并合成了-Dioxaphosphinan-2-One(6).生物测定结果表明,在150 G Ai / Ha下,14种标题化合物4表现出明显的苗后除草活性,对草皮,普通mar菜和假雏菊有活性.化合物5对所有测试的杂草均无活性.化合物6对被测双子叶杂草表现出中等至非常好的抑制作用.结构-活性关系(sar)分析表明,作为连接桥的碳链长度对除草活性有很大影响.化合物的广谱测试4-1,4-2,4-9,4-30,和4-36在75克活性成分/公顷下进行.特别是4-1对被测双子叶杂草表现出100%的抑制活性,高于草甘膦.
DOI:10.1021/acs.Jafc.6B02032

专利信息

专利号:WO-2008150031-A1
优先权日:2007-06-08
标题:Inhibitor of biosynthesis of plant hormone auxin, chemical plant regulator comprising the inhibitor as active ingredient, herbicidal agent, and use thereof
发明人：SHIMADA YUKIHISA; GODA HIDEKI; TACHIKAWA TOMOE; ISHII TAKAHIRO; SOENO KAZUO; FUJIOKA SHOZO; ASAMI TADAO
权利人:RIKEN; SHIMADA YUKIHISA; GODA HIDEKI; TACHIKAWA TOMOE; ISHII TAKAHIRO; SOENO KAZUO; FUJIOKA SHOZO; ASAMI TADAO
摘要:The first object is to provide an inhibitor of the synthesis of endogenous auxin. The second object is to provide a plant growth inhibitor or a herbicidal agent utilizing the auxin biosynthesis inhibitor. Thus, disclosed are: a method for screening a candidate for an auxin biosynthesis inhibitor capable of inhibiting the expression of an auxin-inducible gene, by adding each of candidate compounds for the auxin inhibitor to a plant; a method for selecting a compound capable of actually inhibiting the auxin synthesis in a plant, by adding each of candidate compounds to the plant, disrupting the plant and then measuring the amount of endogenous auxin; and a method for selecting a compound capable of inhibiting the production of indolpyruvic acid in the presence of a tryptophan deaminase and tryptophan which are prepared in advance. More specifically disclosed are: an auxin biosynthesis inhibitor comprising AVG, AOA, AOIBA, L-AOPP or an analogue thereof; and a plant growth regulator or a herbicidal agent comprising the compound as an active ingredient.

专利号:WO-2024256370-A1
优先权日:2023-06-13
标 题 :Synthesis of glufosinate using an amidase-based process
发明人：ZIMMERMANN GUNTHER; POTT MORITZ STEFAN
权利人:BASF SE
摘要:The present invention relates to a method of preparing glufosinate, comprising the steps of hydrolysing an N-carbamoyl glufosinate amide with an Amidase enzyme to form an N- carbamoyl amino acid compound followed by cleaving off the carbamoyl moiety of said N- carbamoyl amino acid compound.

专利号:US-2025120400-A1
优先权日:2021-12-10
标题:Synthesis of glufosinate using a hydantoinase-based process
发明人：DITRICH KLAUS; BREUER MICHAEL; POTT MORITZ STEFAN; ZIMMERMANN GUNTHER; SEEMAYER STEFAN
权利人:BASF SE
摘要:The present invention relates to a method of manufacturing glufosinate, comprising the steps of hydrolysing a hydantoin with a Hydantoinase enzyme to form a N-carbamoyl amino acid compound followed by cleaving off the carbamoyl moiety of said N-carbamoyl amino acid compound.

专利号:US-11919928-B2
优先权日:2016-03-16
标题 :Method for producing dihydrotentoxin
发明人：KUBO TAKASHI; MACHIDA MASAYUKI; FUJIOKA TOMONORI; YAMAGUCHI Shigenari; KAWAI KIYOSHI
权利人:KUMIAI CHEMICAL INDUSTRY CO
摘要:An object of the present invention is to identify an enzyme having activity of synthesizing dihydrotentoxin that is a tentoxin precursor and an enzyme having activity of synthesizing tentoxin using dihydrotentoxin as a substrate. The present invention concerns a tentoxin synthesis-related gene encoding a protein comprising the amino acid sequence of SEQ ID NO: 16 and having activity of nonribosomal peptide synthesis of dihydrotentoxin and a tentoxin synthesis-related gene encoding a protein comprising the amino acid sequence of SEQ ID NO: 18 and having activity of converting dihydrotentoxin to tentoxin.

专利号:EP-0609638-A1
优先权日:1992-10-27
标 题:Water soluble polymeric systems of phytohormones with slow release: synthesis and application
发明人：TSATSAKIS ARISTIDIS; VLACHAKIS ELEUTERIOS IOANIS; SHTILMAN ISAAK MICHAIL; SHASHKOVA MICHAIL IRINA; ALLAKHVERDIEV SURKHAI RAGIM IN
权利人:TSATSAKIS ARISTIDIS; VLACHAKIS ELEUTERIOS IOANIS; SHTILMAN ISAAK MICHAIL; SHASHKOVA MICHAIL IRINA; ALLAKHVERDIEV SURKHAI RAGIM IN
摘要:Our discovery concerns the method of synthesis and the application of new chemical products for plant growing. These new products are polymeric derivatives of low molecular weight plant growth regulators and are characterized by slow release of the auxin from the polymeric carrier. By copolymerisation of allylic esters of the low molecular weight auxins with the acrylic (or the methylacrylic) acid and the following modification of the synthesized co-polymers of acids to their corresponding ammonium salts, water soluble polymeric auxins possesing optimal molecular weight and desirable (high) content of the low molecular weight auxin in the polymer were prepared. The method of synthesis and the final products fulfill the requirements of the preparation technology and of their application respectively. We suggest the application of the new products in agronomy (i.e. treatment of seeds, rootstocks, plants, scions, cutting etc) either by themselves or by combination of them with other chemicals. The chemical structure of the new products we discover is :n n    R = H-, -CH3, Au = auxin residue

专利号:US-2021386068-A1
优先权日:2018-11-07
标题 :Compositions comprising pyridine carboxylate herbicides and very long chain fatty acid (vlcfa) synthesis inhibitor herbicides
发明人：KISTER JEREMY; SATCHIVI NORBERT M
权利人:CORTEVA AGRISCIENCE LLC
摘要:Disclosed herein are compositions comprising (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof and (b) a VLCFA synthesis inhibitor herbicide. Also disclosed herein are methods of controlling undesirable vegetation, comprising applying to vegetation or an area adjacent the vegetation or applying in soil or water to control the emergence or growth of vegetation (a) a pyridine carboxylate herbicide or an agriculturally acceptable N-oxide, salt, or ester thereof, and (b) a VLCFA synthesis inhibitor herbicide.