CAS: 1702-17-6; Clopyralid

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CAS号1702-18-7 3,6-二氯-2-氰基吡啶 | CAS号32889-74-0 3,5,6-三氯-4-肼吡啶-2-羧酸 | CAS号16110-09-1 2,5-二氯吡啶 | CAS号124-38-9 二氧化碳 | CAS号10469-09-7 四氯吡啶甲酸 | CAS号58804-10-7 (3,6-二氯吡啶-2-基)甲醇 | CAS号856836-44-7 3-氯-6-甲氧基-2-吡啶羧酸 | CAS号1060815-76-0 6-溴-3-氯吡啶甲酸 | CAS号1532-24-7 3,6-二氯吡啶甲酸甲酯 | CAS号16866-53-8 3,6-Dichloro-2-... | CAS号85330-61-6 3,6-BIS(METHYLT...

2,3,6-三氯吡啶置于乙醇,双氧水,溶剂黄146,N,N-二甲基甲酰胺,Molybdenum(Vi) Oxide,Sodium Hydroxide,三氯氧磷体系中,化学反应生成二氯吡啶酸
参考文献:一种3,6-二氯-2-吡啶羧酸的制备方法
标题:一种3,6-二氯-2-吡啶羧酸的制备方法
摘要:本发明公开了一种3,6‑二氯‑2‑吡啶羧酸的制备方法,将原料2,3,6‑三氯吡啶溶于醋酸,并加入催化剂,升温后,滴加双氧水进行氧化反应,反应完后,滤除催化剂,浓缩脱溶,得2,3,6‑三氯吡啶氮氧化物;将其溶于溶剂dmf,加入氰化钠升温进行氰化反应,反应完后,旋蒸脱溶,乙醇重结晶得2‑氰基‑3,6‑二氯吡啶氮氧化物;将其与三氯化磷混合,升温进行脱氧反应,反应完后,脱溶,剩余产物加入冰水中,析出固体,过滤得2‑氰基‑3,6‑二氯吡啶;将其加入至乙醇‑氢氧化钠溶液中,进行水解反应,反应完后,调体系ph值到2‑3,脱溶结晶得最终产物二氯吡啶酸.本方法总收率高,且避免了传统路线大量含盐废水的产生.

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:ES-2717283-T3
优先权日:2012-07-24
标 题:Herbicidal compositions comprising 4-amino-3-chloro-5-fluoro-6- (4-chloro-2-fluoro-3-methoxyphenyl) pyridine-2-carboxylic acid or a derivative thereof and herbicides inhibitors of VLCFA synthesis and synthesis of fatty acids / lipids