WO2005037789A1 - Herbicides a base de phtalimide - Google Patents

Herbicides a base de phtalimide Download PDF

Info

Publication number
WO2005037789A1
WO2005037789A1 PCT/CN2004/001177 CN2004001177W WO2005037789A1 WO 2005037789 A1 WO2005037789 A1 WO 2005037789A1 CN 2004001177 W CN2004001177 W CN 2004001177W WO 2005037789 A1 WO2005037789 A1 WO 2005037789A1
Authority
WO
WIPO (PCT)
Prior art keywords
herbicides
phthalimide
compound
product
benzene ring
Prior art date
Application number
PCT/CN2004/001177
Other languages
English (en)
French (fr)
Inventor
Zhengquan Wang
Baoqi Li
Yanlong Li
Junchun Wang
Original Assignee
Zhengquan Wang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengquan Wang filed Critical Zhengquan Wang
Publication of WO2005037789A1 publication Critical patent/WO2005037789A1/zh

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D209/00Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/44Iso-indoles; Hydrogenated iso-indoles
    • C07D209/48Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/32Cyclic imides of polybasic carboxylic acids or thio analogues thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/44Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/06Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
    • A01N43/12Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings condensed with a carbocyclic ring

Definitions

  • the invention belongs to a fine chemical pesticide herbicide.
  • the purpose of the present invention is to develop a highly effective pesticide herbicide.
  • the present invention is a phthalimide herbicide, and the biggest feature of its structure lies in-
  • the 1-position on the benzene ring is connected to the heterocyclic ring.
  • the 5-position on the benzene ring may be substituted by methyl thioacetate, cyclopentyloxy, allyloxy, methallyloxy, ethyl 2-chloropropionate, etc.
  • Benzofuran is formed at the 6-position of the benzene ring.
  • the invention synthesizes six new highly effective herbicides, and their structures are:
  • the compound of the present invention is synthesized as follows:
  • the ratio of the raw material aniline to methyl acrylate is 1:20, and the reaction is performed in acetonitrile in the presence of copper chloride, and the product (B ′) is hydrolyzed to produce the product (C ′) under acidic conditions.
  • This step is carried out in three steps:
  • Compound II was prepared in the same manner as above, with a melting point of 150 to 151 ° C. The structure was confirmed by H-NMR.
  • Compound III was prepared in the same manner as above, with a melting point of 128 to 135 ° C, and its structure was confirmed by H-NMR.
  • Compound IV was prepared in the same manner as above, with a melting point of 154 ⁇ 155 ° C, and the structure was confirmed by H-NM.
  • Compound V was prepared in the same manner as above, with a melting point of 101 to 104 ° C, and its structure was confirmed by H-NMR.
  • Compound VI was prepared in the same manner as above, with a melting point of 139 to 140 ° C. The structure was confirmed by H-NMR.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Indole Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Description

7 苯二甲酰亚胺类除草剂
【技术领域】
本发明属于精细化工农药除草剂。
【背景技术】 .
近年来,苯二甲酰亚胺类化合物具有除草活性已屡见报道,举数例如下:
Figure imgf000002_0001
此类除草剂的分子结构中, 在苯环上的第 1、 2、 4、 5位均有取代基, 2、 位为卤素, 1-位与杂环相连。
由于人类对环保问题的重视,对农药的毒性及对环境的影响,提出了更高 的要求。 因此, 化学农药将进入 "超高效、 无毒、 无污染"的新时期。
【发明内容】 确认本 本发明的目的就是开发研制一种高效农药除草剂。
本发明为苯二甲酰亚胺类除草剂, 其结构上最大的特点在于-
1. 苯环上的 1-位与杂环相连。
2. 苯环上的 2-位由氟取代。
3. 苯环上的 3-位由氯取代。
4. 苯环上的 5-位可分别由硫代乙酸甲酯基、 环戊烷氧基、 烯丙氧基、 甲 代烯丙氧基、 2-氯丙酸乙酯基取代, 也可与苯环 6-位形成苯并呋喃。
本发明共合成六个新结构的高效除草剂, 他们的结构为:
Figure imgf000003_0001
( V ) ( VI ) 上述六个新化合物属原卟啉原氧化酶抑制剂类除草剂。 他们具有以下特 1. 脱色的除草作用';
2. 抑制叶绿素生化合成; .
3. 抑制原卟啉原氧化酶及引起原卟啉 IX的积累;
4. 破环类囊体膜的光氧化作用。
本发明化合物的合成方法如下:
( 1 ) 苯并呋喃的合成:
由 2-氟 -4-氯 -5-甲代烯丙氧基苯胺经转位、闭环制得相应的苯并呋喃化合 物, IP :
Figure imgf000004_0001
( B) (C) 该反应分两步进行:
(a) 甲代烯丙基转移到羟基的邻位, 生成中间产品 (B)。
(b)羟基加成到碳一碳双键上, 生成产品 (C)。 反应在 Ν,Ν-二乙基苯胺 存在下经回流反应进行, 闭环时间用三氟甲基磺酸作催化剂。
(2) 2-氯丙酸甲酯基苯胺的合成:
将 2-氟 -4-氯 -5-氨基酰替苯胺与丙烯酸、 亚硝酸、 叔丁酯在氯化镝催化剂 存在下反应而制得, 艮 -NHCOCH. 2CHCOOCH:
CI
Figure imgf000005_0001
(C)
原料酰替苯胺与丙烯酸甲酯的配比为 1 : 20, 反应在氯化铜存在下, 在乙 腈中进行, 得到的产品 (Β' ) 在酸性条件下水解制得产品 (C' )。
(3 )硫代乙酸甲酯基苯胺的合成:
2-氟 -4-氯 -5-氨基酰替苯胺经重氮化后,与巯基乙酸反应制得相应的巯基乙 酸化合物, 再经甲酯化及水解制得产品, 即:
Figure imgf000005_0002
(C") (D',)
本步反应分三步进行:
(a) 氨基化合物 (A,) 和亚硝酸钠水溶液, 在酸性条件下重氮化反应生 成中间体 (B,,) ;
(b) 重氮化合物在碱式碳酸铜存在下和巯基乙酸反应生成产物 (c" );
(c) 产物 (C" ) 经水解、 酯化得到产品 (D" )。
(4) 原药的合成:
由相应的胺和苯酐在乙酸中回流反应制得, 艮卩-
Figure imgf000006_0001
其中 =硫代乙酸甲酯、 环戊烷氧基、 烯丙氧基、 甲代烯丙氧基、 2-氯丙 酸乙酯、 呋喃。
由于苯二甲酰亚胺类化合物以植物细胞的叶绿素为作用点, 因此, 确保动 植物之间的选择毒性, 具有高效、 低毒特点。 与国外已发表的相关专利品种 相比, 具有相同或更高的除草效果。 经盆栽实验, 结果如下- 试验的植物:
稗草 (Echinochloa crusgalli) 马唐 (Digitaria sanguinolis)
苘麻 ( Abutilon thephrasti ) 克菜 (Acalypha australis)
初筛结果:
I〜VI六种药剂茎叶处理对阔叶草的活性均高于对禾本科草的活性。 其 各种剂量的茎叶处理数据见下表。
六种药剂不同用量茎叶处理对不同杂草的抑制率
药效(抑制率) ·
化合物 处理量
稗草 马唐 苘麻 宽菜
化合物 I lgai/亩 47.2 85.4 94.4 58.6 lOgai/亩 61.9 88.5 89.0 91.7
lgai/亩 55.0 83.2 87.4 94.5
化合物 π
lOgai/亩 47.6 86.0 98.6 100
lgai/亩 54.8 80.6 98.9 100
化合物 III
lOgai/亩 75.4 98.2 98.2 100
lgai/亩 48.1 87.2 96.6 100
化合物 IV
lOgai/亩 74.2 87.2 96.6 100
lgai/亩 48.1 88.4 97.4 100
化合物 V
lOgai/亩 62.2 86.3 99.1 100
lgai/亩 61.1 78.5 98.4 100
化合物 w
lOgai/亩 53.1 75.5 98.9 100
【具体实施方式】
以下给出四个实施例来进一步说明本发明。
实施例 1 -
5.2克芳胺 A溶于 10毫升 Ν,Ν-二乙基苯胺中, 回流 12小时, 冷却至室温 后, 溶于乙酸乙酯中, 用 10%盐酸洗三次, 脱去二乙基苯胺的反应液, 经干 燥、 浓缩, 用己烷: 乙酸乙酯 =4: 1柱层析提纯, 得到 3.8克产品 Β, 其状 态为黄色油, 收率为 73 %。 - 取上述产品 Β 3.8克, 溶于 16毫升氯仿中, 5°C滴加 CF3S03H 3.6克, 5 分钟滴加完毕, 然后在室温下反应 5小时, 反应完全后, 将反应液倾入 20毫 升 5 %氢氧化钠溶液中, 用乙酸乙酯萃取、 干燥、 浓缩, 得苯并呋喃胺 C3.2 克, 收率 84%。 产品经 H— MR确认结构。
实施例 2
14.0克 2-氟 -4-氯 -5-胺基酰替苯胺悬浮于 18毫升浓盐酸和 80毫升水及 120 克冰的混合液中, 在 0〜5°C下滴加 5.0克亚硝酸钠和 8毫升水配成的溶液, 在此温度下反应 1小时, 制得的重氮化液加入 0.4克氨基磺酸、 8.2克巯基乙 酸和 46克碱式碳酸铜及 68毫升水溶液, 在室温下反应 30分钟。 滴加 16.8 毫升 50%氢氧化钠溶液调节 pH值为 7〜8, 再在 95〜100°C下反应 1小时; 反应液趁热过滤出铜盐, 用浓盐酸 24毫升酸化母液, 再用乙酸乙酯萃取, 萃 取液经常规处理后, 得到 9.6克产品 D", 收率 50%。 产品经 H—NMR确认 结构。
实施例 3
17.2丙烯酸甲酯, 3.1克亚硝酸叔丁酯在 100毫升乙腈中, 加氯化铜 3.8 克, 搅拌下加入 4.1克 2-氟 -4-氯 -5-胺基酰替苯胺, 室温反应 1小时, 用 50 毫升 3摩尔 /升的盐酸洗, 乙酸乙酯萃取。 有机层经水洗, 饱和食盐水洗, 用无水硫酸镁干燥, 减压浓缩。 在乙醇中重结晶得到 4.7克产品 B,, 收率 77 o 产品 B,经 H—NMR确认结构。
实施例 4
向 5.5克 2-氟 -4-氯 -5-稀丙氧基苯胺中加入 85毫升冰醋酸、苯二甲酸酐 8.0 克, 室温下反应 12小时, 将反应液倾入 200毫升冷水中, 过滤出固体, 经乙 醚一己烷洗, 干燥得产品 1 7.0克, 重量收率为 81.0%, 熔点 134〜137°C, 产品经 H— NMR确认结构。
用上述同样方法制得化合物 II,熔点 150〜151°C,经 H— NMR确认结构。 用上述同样方法制得化合物 III,熔点 128〜135°C,经 H— NMR确认结构。 用上述同样方法制得化合物 IV,熔点 154〜155°C,经 H— NM 确认结构。 用上述同样方法制得化合物 V,熔点 101〜104°C,经 H— NMR确认结构。 用上述同样方法制得化合物 VI,熔点 139〜140°C,经 H—NMR确认结构。

Claims

权 利 要 求
1、 一种苯二甲酰亚胺类除草剂, 其特征在于本除草剂的分子结构苯环上 1位与苯二甲酰亚胺相接, 2、 4位分别由氟原子和氯原子取代。 苯环上 5位 烷氧基分别由呋喃、 硫代乙酸甲酯、 环戊烷氧基、 烯丙氧基、 2-甲基烯丙氧 基、 2-氯丙酸乙酯基取代, 从而获得六个高效、 低毒除草剂:
Figure imgf000009_0001
( V ) ( VI )
PCT/CN2004/001177 2003-10-21 2004-10-18 Herbicides a base de phtalimide WO2005037789A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2003101048809A CN100404531C (zh) 2003-10-21 2003-10-21 苯二甲酰亚胺类除草剂
CN2003101048809 2003-10-21

Publications (1)

Publication Number Publication Date
WO2005037789A1 true WO2005037789A1 (fr) 2005-04-28

Family

ID=34438474

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2004/001177 WO2005037789A1 (fr) 2003-10-21 2004-10-18 Herbicides a base de phtalimide

Country Status (2)

Country Link
CN (1) CN100404531C (zh)
WO (1) WO2005037789A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010104195A1 (en) 2009-03-11 2010-09-16 Banyu Pharmaceutical Co.,Ltd. Novel isoindolin-1-one derivative

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87107276A (zh) * 1986-12-10 1988-10-19 国际壳牌研究有限公司 具有除草活性的取代苯并呋喃和苯并吡喃
JPH08335497A (ja) * 1995-06-08 1996-12-17 Tama Electric Co Ltd 放電管点灯回路
JPH11222472A (ja) * 1998-02-03 1999-08-17 Mitsubishi Chemical Corp フタル酸誘導体類、およびこれを有効成分とする除草剤
WO2000003985A1 (fr) * 1998-07-16 2000-01-27 Mitsubishi Chemical Corporation Phtalimides et herbicide contenant ceux-ci comme principe actif

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4881967A (en) * 1986-12-10 1989-11-21 E. I. Du Pont De Nemours And Company Heterocyclic 2,3-dihydrobenzofuran herbicides
EP1006105A1 (en) * 1990-07-17 2000-06-07 Sagami Chemical Research Center Benzene derivatives

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87107276A (zh) * 1986-12-10 1988-10-19 国际壳牌研究有限公司 具有除草活性的取代苯并呋喃和苯并吡喃
JPH08335497A (ja) * 1995-06-08 1996-12-17 Tama Electric Co Ltd 放電管点灯回路
JPH11222472A (ja) * 1998-02-03 1999-08-17 Mitsubishi Chemical Corp フタル酸誘導体類、およびこれを有効成分とする除草剤
WO2000003985A1 (fr) * 1998-07-16 2000-01-27 Mitsubishi Chemical Corporation Phtalimides et herbicide contenant ceux-ci comme principe actif

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE CA [online] 1997, Database accession no. 113:6148 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010104195A1 (en) 2009-03-11 2010-09-16 Banyu Pharmaceutical Co.,Ltd. Novel isoindolin-1-one derivative
US8362052B2 (en) 2009-03-11 2013-01-29 Msd K.K. Isoindolin-1-one derivative

Also Published As

Publication number Publication date
CN1608466A (zh) 2005-04-27
CN100404531C (zh) 2008-07-23

Similar Documents

Publication Publication Date Title
JP5149003B2 (ja) アミド誘導体ならびに該化合物を含有する殺虫剤
US5530028A (en) Insecticidal N&#39;-substituted-N,N&#39;-diacylhydrazines
US4066651A (en) Alkanoic acid 2-quinoline derivatives
US5607898A (en) Pyrazole derivatives
US5053070A (en) Pyrimidine derivatives, preparation processes thereof, herbicide containing the same, and herbicidal compositions containing the same along with other active ingredient
FR2621585A1 (fr) Derives de 4h-benzopyranne-1 one-4 et leurs sels, leurs procedes de fabrication et compositions pharmaceutiques les comprenant en tant qu&#39;ingredients actifs
JPH07505125A (ja) 新規の置換ピラゾリルピラゾール、その製法並びに中間体及び除草剤としてのその使用
CA2249402C (en) Benzopyran derivatives having leukotriene-antagonistic action
CA2263399A1 (en) 1-alkyl-4-benzoyl-5-hydroxypyrazole compounds and their use as herbicides
US5849926A (en) Pyrazole derivatives and herbicides containing the same
US4792565A (en) Pyrazolecarbonylamine derivatives and agricultural and horticultural fungicides containing said compounds
CA1253504A (en) Thia (oxa) diazole derivatives
WO2005037789A1 (fr) Herbicides a base de phtalimide
US5489687A (en) Herbicidal quinolinyloxadiazoles
US4522647A (en) Substituted phenoxyalkanediones and their herbicidal method of use
HU195666B (en) Process for producing new hydroxylamine derivatives and plant growth increasing compositions comprising these derivatives as active ingredient
JP2002524459A (ja) ベンゾイル誘導体、その製法および除草剤ならびに植物生長調節剤としてのその使用
EA000179B1 (ru) Производные пиразола
CN100409748C (zh) 取代苯基异噁唑类除草剂
CA1079746A (en) Nitroaryloxyalkanecarboxylic acid derivatives and their use as herbicides
WO2005037844A1 (fr) Heterocycles condenses a substitution phenyle comme herbicides tres efficaces
SK284715B6 (sk) Deriváty hydroxyfenylsulfanylbenzoových a hydroxyfenylsulfanylaryloctových kyselín
JPH0751561B2 (ja) 置換フェニルチオ酢酸
JP2541497B2 (ja) アミノクマリン誘導体
FR2549831A1 (fr) Nouveaux derives d&#39;acides aryloxybenzoiques, et leur utilisation comme herbicides

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase