CAS: 68505-69-1; Benfuresate

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4-hydroxy-3-(2-hydroxy-1,1-dimethylethyl)phenyl ethanesulphonate

📜4-Hydroxy-3-(2-Hydroxy-1,1-Dimethylethyl)Phenyl Ethanesulphonate置于氯化亚砜体系中,用 N-甲基乙酰胺 作为反应溶剂,化学反应生成 呋草黄
参考文献:Herbicidally-Active Sulphonates
标题:Herbicidally-Active Sulphonates
摘要:本发明提供了化学式为##str1##的草甘膦活性磺酸盐,其中x代表一个基团--Chr.Sup.3--Or.Sup.4,Y代表一个基团--Or.Sup.5,或x和y一起代表一个基团--Chr.Sup.3--O--或一个基团--Chr.Sup.3--O--Z--O--,其中自由氧原子连接到苯环上; R.Sup.1,R.Sup.2和r.Sup.3,可以相同也可以不同,每个代表氢或c 1到6烷基,或r.Sup.1和r.Sup.2一起或r.Sup.2和r.Sup.3一起形成一个c 3到6烷基链; R.Sup.4和r.Sup.5,可以相同也可以不同,每个代表氢,C 1到6烷基,C 2到6烯基,C 2到6炔基,苯基,一个基团--O(.Dbd.O)R.Sup.10或一个基团--So.Sub.2R.Sup.11; R.Sup.6,R.Sup.7和r.Sup.8,可以相同也可以不同,每个代表氢,C 1到6烷基,卤素,氰基,C 2到6羧酸酰基,或c 1到4烷氧基; R.Sup.9代表c 1到6烷基,苯基或c 7到10苯基烷基(每个都可以未取代或取代一个或多个氯或溴原子,C 1到4烷基,C 1到4烷氧基或硝基),C 5到7环烷基,C 1到4烷基氨基或二烷基氨基,其中每个烷基部分具有1到4个碳原子; R.Sup.10代表c 1到6烷基或烷氧基,C 2到6烯基或烯氧基,C 2到6炔基或炔氧基,苯基,苯氧基,苯基氨基,C 1到烷基氨基或二烷基氨基,其中每个烷基部分具有1到6个碳原子,R.Sup.10可能代表的每个基团都未取代或取代一个或多个卤素原子或c 1到4烷氧基; R.Sup.11代表c 1到6烷基,苯基,C 1到6烷基氨基或二烷基氨基,其中每个烷基部分具有1到6个碳原子,R.Sup.11可能代表的每个基团都未取代或取代一个或多个卤素原子或c 1到4烷氧基; Z代表公式--S(.Dbd.O)N,--Cr.Sup.12R.Sup.13或--P(.Dbd.Q)(Or.Sup.14)--的一个基团; N代表1或2; R.Sup.12和r.Sup.13,可以相同也可以不同,每个代表氢,C 1到6烷基或烷氧基,C 2到6烯基或炔基,苯基,苯氧基,氰基或(c 1到6烷氧基)羰基,或r.Sup.12和r.Sup.13一起代表一个氧原子,一个硫原子,一个c 3到6烷基链或一个c 1到6烷基亚胺基或苯基亚胺基; R.Sup.14代表c 1到6烷基; Q代表氧或硫,以及其制备方法和含有它们的除草剂组合物.

专利信息

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: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.

专利号:US-2021352899-A1
优先权日:2018-11-07
标题 :Compositions comprising pyridine carboxylate herbicides and fatty acid and lipid 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 fatty acid and lipid synthesis inhibitor (FA/LSI) herbicide, an agriculturally acceptable salt or ester thereof, or mixtures thereof. 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 fatty acid and lipid synthesis inhibitor (FA/LSI) herbicide, an agriculturally acceptable salt or ester thereof, or mixtures thereof.

专利号:UY-34940-A
优先权日:2012-07-24
标题 :HERBICIDE COMPOSITIONS CONTAINING 4-AMINO-3-CHLORO-5-FLUOR-6- (4-CHLORO-2-FLUOR-3-METOXY-PHENYL) ACID-2-CARBOXYL, OR A DERIVATIVE OF THE SAME AND THE HERBICIDES THAT INHIBIT THE SYNTHESIS OF THE VERY LONG CHAIN FATTY ACIDS AND THE SYNTHESIS OF THE FAT / LIPID ACIDS