CN1556673A - 草甘膦醚胺盐的化合物、组合物及使用方法 - Google Patents
草甘膦醚胺盐的化合物、组合物及使用方法 Download PDFInfo
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- CN1556673A CN1556673A CNA028184580A CN02818458A CN1556673A CN 1556673 A CN1556673 A CN 1556673A CN A028184580 A CNA028184580 A CN A028184580A CN 02818458 A CN02818458 A CN 02818458A CN 1556673 A CN1556673 A CN 1556673A
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- salt
- glyphosate
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION 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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
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)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
本发明描述了草甘膦醚胺盐的化合物和组合物并包括它们的使用方法。所述化合物包括具有式(I)的草甘膦盐:Z-CH2-NH-CH2-POR1R2(I),其中Z为COOH、COSH、COCl、COBr、COF、COI或COR3;R1、R2和R3各自独立地为OH或者OR4,并且R1、R2和R3中至少一个为OR4;和R4为如式(II)的醚胺成盐阳离子:H4N-R5-O-R6(II),其中R5和R6各自独立地为C1-C6烷基、C2-C6烯烃或C2-C6炔烃。这里包括的组合物至少含有上述草甘膦盐和载体。所述组合物可用于通过将该植物与除草有效量的组合物接触以抑制不需要的植物的生长的方法中。
Description
本发明涉及新型除草化合物、组合物及使用方法,特别地本发明涉及草甘膦醚胺盐。
草甘膦,亦称N-(膦酰甲基)甘氨酸,是常用的广谱萌苗后除草剂。将除草剂施于不需要的植物的叶子上,并在上面被叶组织吸收并输送到整个植物中。一旦被植物吸收,草甘膦就会抑制生物化学过程中氨基酸的合成,这几乎是所有植物共有的,但却不存在于动物中。
在Sato等的美国专利No.5,998,332;Burval等的美国专利No.5,468,718;Franz等的美国专利No.4,405,531;以及“Glyphosate:A UniqueGlobal Herbicide”,ACS Monograph 189,p.27-64(1997)中公开了多种草甘膦盐、制备草甘膦盐的方法、草甘膦或其盐的制剂以及草甘膦或其盐的使用方法。为此这里引入所有这些文献的全文。
酸形式的草甘膦在水中溶解度低,从而使得该化合物的应用困难。因此市售的草甘膦组合物通常包含草甘膦盐,其中用碱中和草甘膦酸形成盐,这种盐比草甘膦酸更易溶于水。此外,不同的草甘膦盐具有不同的水溶性和生物效果,因此对新型草甘膦盐的化合物、组合物及使用方法的需求一直存在。
作为概况和粗略的描述,一方面本发明涉及一种包括具有式(I)的草甘膦盐的除草化合物:
其中Z为COOH、COSH、COCl、COBr、COF、COI或COR3;R1、R2和R3各自独立地为OH或者OR4,并且R1、R2和R3中至少一个为OR4;和R4为如式(II)的醚胺成盐阳离子:
H4N-R5-O-R6 (II)
其中R5和R6各自独立地为C1-C6烷基、C2-C6烯烃或者C2-C6炔烃。
另一方面,本发明涉及一种包括a)如上定义的具有式(I)的草甘膦盐;和b)载体的除草组合物。
此外,本发明涉及一种抑制不需要植物的生长的方法,其包括将该植物与除草有效量的除草组合物接触,该除草组合物至少包含a)如上定义的具有式(I)的草甘膦盐;和b)载体。
对于本发明的优点,其一部分将在后面的说明书中阐述,并且一部分可以从说明书中显见或者从本发明的实践中认识到。应当知道前面的概述和下面的详述仅用作示范和说明,并不象权利要求那样为了限制本发明。
通过参考以下对本发明的示例性实施方案的详细说明和包括在其中的实施例可以更加容易地理解本发明。
在公开和描述本发明的化合物、组合物及方法之前,应当知道本发明并不局限于制备其的特殊合成方法,毫无疑问这些方法是可以变化的。还应当知道此处使用的术语仅仅是为了描述具体的实施方案,并不是为了限制本发明。
在本说明书和后面的权利要求书中将提到许多应具有以下含义的术语:
这里所用的术语“烯烃”是指至少包含一个双键的支化或非支化的不饱和烃基,例如乙烯、丙烯、1-丁烯、2-丁烯等。烯烃基团中可以有一个或多个氢原子被例如羟基、卤素、烷氧基和/或芳基的官能团取代。
这里所用的术语“烷基”是指支化或非支化的饱和烃基,例如甲基、乙基、正丙基、异丙基、正丁基、异丁基、叔丁基等。烷基中可以有一个或多个氢原子被例如羟基、卤素、烷氧基和/或芳基的官能团取代。
这里所用的术语“炔烃”是指至少包含一个三键的支化或非支化的不饱和烃基,例如乙炔、丙炔、1-丁炔、2-丁炔等。炔基可以有一个或多个氢原子被例如羟基、卤素、烷氧基和/或芳基的官能团取代。
如全文中使用的,术语“接触”是指使用本领域已知任何的方法,通过施加除草剂将至少一个植物细胞暴露在草甘膦盐的化合物或组合物下的至少一种情况。
一般地,“除草有效量”是指对植物生长具有明显除草效果时所需的量,该效果包括植物坏死、植物死亡、抑制生长、抑制繁殖、抑制增殖和除去植物、破坏植物或减少植物的出现以及降低其活性。本领域一般技术人员将认识到对本发明所用的不同草甘膦化合物/组合物来说该效果和因此的“除草有效量”可以不同。
这里所用的术语“植物”是指陆生植物和水生植物。陆生植物包括发芽种子、挺水秧苗(emerging seedlings)以及包含根和地上部分的草本植物以及移植的木本植物。水生植物包括藻类、浮游植物有机体和通常植根于土壤中的水下物种。植物的不详尽的目录包括但不限于以下属类:白麻属、苋属、艾属、马利筋属、燕麦属、地毯草属、半丰草属、臂形草属、芸苔属、雀麦属、藜属、蓟属、鸭跖草属、旋花属、狗牙根属、莎草属、马唐属、稗属、牛筋草属、野麦属、木贼属、牻牛儿苗属、向日葵属、白茅属、甘薯属、地肤、黑麦草属、锦葵属、稻属、奥图草属、黍属、雀稗属、草芦属、芦苇属、蓼属、马齿苋属、蕨属、葛属、悬钩子属、猪毛菜属、狗尾草属、黄花稔属、白芥属、高粱属、小麦属、香蒲属、荆豆属、苍耳属和玉蜀黍属。
阔叶种包括但不限于:绒叶(苘麻);藜(苋属);艾蒿(艾属);马利筋(马利筋属);钮扣草(button weed)(半丰草属);油籽油菜(oilseed rape)、芥花(canola)、印度芥菜等(芸苔属);加拿大蓟(丝路蓟属);鸭跖草(鸭跖草属);田旋花(田旋花属);filaree(牻牛儿苗属);向日葵(向日葵属);牵牛花(甘薯属);地肤(地肤属);锦葵(锦葵属);野荞麦、荨麻等(蓼属);马齿苋(马齿苋属);野葛(葛属);俄国蓟(russian thistle)(猪毛菜属);黄花稔(黄花稔属);野芥菜(白芥属)和苍耳(苍耳属)。
窄叶种包括但不限于:野燕麦(野燕麦属)、地毯草(地毯草属)、臂形草(臂形草属)、毛雀麦(雀麦属)、狗牙根草(狗牙根属)、黄莎草(莎草属)、紫莎草(香附子属)、马唐草(马唐属)、稗(锡兰稗属)、牛筋草(牛筋草属)、匍匐冰草(野麦属)、白茅(白茅属)、当年生黑麦草(多花黑麦草属)、多年生黑麦草(黑麦草属)、稻(稻属)、奥图草属(奥图草属)、香茅(大黍属)、毛花雀稗(毛花雀稗属)、百喜草(巴哈雀稗属)(Paspalum notatum)、金黄草(草芦属)、芦苇(芦苇属)、狐尾草(狗尾草属)、石茅高梁(石茅高粱属)、小麦(普通小麦属)、香蒲(香蒲属)以及玉米(玉蜀黍属)。
其他的植物物种包括但不限于:问荆(木贼属)、欧洲蕨(欧洲蕨属)、黑莓(悬钩子属)和荆豆(荆豆属)。
这里所用的“盐”包括可与例如胺、碱金属碱和碱土金属碱或季铵碱(包括两性离子)形成的盐。适宜作为成盐剂的碱金属和碱土金属氢氧化物包括锂、钠、钾、镁或钙的氢氧化物。适合形成铵阳离子的胺的说明性实例有氨以及伯、仲、叔的C1-C18烷基胺、C1-C4羟烷基胺和C2-C4烷氧基烷基胺,特别是甲胺、乙胺、正丙胺、异丙胺、丁胺的四种异构体、正戊胺、异戊胺、己胺、庚胺、辛胺、壬胺、癸胺、十五胺、十六胺、十七胺、十八胺、甲基乙胺、甲基异丙胺、甲基己胺、甲基壬胺、甲基十五胺、甲基十八胺、乙基丁胺、乙基庚胺、乙基辛胺、己基庚胺、己基辛胺、二甲胺、二乙胺、二正丙胺、二异丙胺、二正丁胺、二正戊胺、二异戊胺、二己胺、二庚胺、二辛胺、乙醇胺、正丙醇胺、异丙醇胺、N,N-二乙醇胺、N-乙基丙醇胺、N-丁基乙醇胺、烯丙胺、正丁-2-烯胺、正戊-2-烯胺、2,3-二甲基丁-2-烯胺、二丁-2-烯胺、正己-2-烯胺、丙烯二胺、三甲胺、三乙胺、三正丙胺、三异丙胺、三正丁胺、三异丁胺、三仲丁胺、三正戊胺、甲氧基乙胺和乙氧基乙胺;杂环胺如吡啶、喹啉、异喹啉、吗啉、哌啶、吡咯烷、吲哚、奎宁环和氮杂;伯芳胺如苯胺、甲氧基苯胺、乙氧基苯胺、邻-、间-和对-甲苯胺、苯二胺、联苯胺、萘胺和邻-、间-和对-氯苯胺。
本发明的除草化合物包含具有式(I)的草甘膦盐:
其中Z是COOH、COSH、COCl、COBr、COF、COI或COR3;R1、R2和R3各自独立地为OH或OR4,并且R1、R2和R3中至少一个为OR4;和R4是具有式(II)的醚胺成盐阳离子:
H4N-R5-O-R6 (II)
其中R5和R6各自独立地为C1-C6烷基、C1-C6烯烃或C1-C6炔烃。
式(I)化合物的实例包括但不限于其中R5和R6为未被官能团取代或者被官能团取代的C1-C6烷基的那些化合物。式(I)化合物的另外的示例性实例包括其中R5为C2H4且R6为C2H4OH的草甘膦盐,从而形成2-(2-氨基乙氧基)乙醇草甘膦盐,例如单(2-(2-氨基乙氧基)乙醇)草甘膦盐。
草甘膦与醚胺成盐阳离子的摩尔比的变化范围大。例如,草甘膦与醚胺成盐阳离子的摩尔比可以是1∶1。当醚胺成盐阳离子是2-(2-氨基乙氧基)乙醇时,摩尔比为1∶1的草甘膦与2-(2-氨基乙氧基)乙醇将得到单(2-(2-氨基乙氧基)乙醇)草甘膦盐。当采用1∶1.5的摩尔比时,得到的是倍半(2-(2-氨基乙氧基)乙醇)盐;1∶2的摩尔比得到的是二(2-(2-氨基乙氧基)乙醇)盐,和1∶3的摩尔比得到的是(2-(2-氨基乙氧基)乙醇)盐。醚胺成盐阳离子相对草甘膦的摩尔比还可以远远大于1∶3。
本发明的除草组合物包含a)具有式(I)的草甘膦盐:
其中Z为COOH、COSH、COCl、COBr、COF、COI或COR3;R1、R2和R3各自独立地为OH或OR4,并且R1、R2和R3中至少一个为OR4;和R4是具有式(II)的醚胺成盐阳离子
H4N-R5-O-R6 (II)
其中R5和R6各自独立地为C1-C6烷基、C2-C6烯基或C2-C6炔基;和b)载体。
该载体是可以与草甘膦盐组合而促进草甘膦盐的分散并促进其与植物接触的天然或合成的有机或无机成分。该载体可以是固体(例如粘土、合成硅酸盐、硅石、树脂、蜡、以及它们的组合物);液体(例如水、水溶液、N-甲基吡咯烷酮、甲醇、乙醇、异丙醇、丙酮、丁基溶纤剂、2-乙基-1己醇、环己酮、烃类和其他不与水混溶的醚、酯和酮、以及它们组合物);或固体载体和液体载体的组合物。
一般地,传统草甘膦盐组合物包含一种或多种表面活性剂以增加活性成分的生物效果。在含水组合物中加入表面活性剂具有许多有利的效果:(1)表面活性剂可以改变喷雾液滴的尺寸分布以增加小尺寸液滴的数目,这些小尺寸液滴从植物表面弹回的可能性较小;(2)表面活性剂可增加喷雾液滴的粘性,以减少组合物从植物表面流失;和(3)表面活性剂可以增进对植物表面的渗透。
可以有利地选择本发明的载体和/或成盐阳离子以提高活性成分的生物活性;从而不需要表面活性剂。然而,如果需要可以向组合物添加一种或多种表面活性成分。适宜的表面活性成分包括表面活性剂、乳化剂和润湿剂。
可选择的表面活性剂的范围宽,本领域的技术人员可以轻易地从“TheHandbook of Industrial Surfactants”,第二版,Gower(1997)中选择各式各样的表面活性剂,为此这里将该出版物的全文引作参考。对所用的表面活性剂的类型或者化学类别并无限制。非离子型、阴离子型、阳离子型和两性型或者多个这些类型的组合物在特定情况下都可以使用。
在非离子型表面活性剂中,示例性的种类包括:聚氧乙烯烷基、炔烃、炔基或烷基芳基醚,例如聚氧乙烯伯或仲醇、烷基苯酚或炔属二醇;聚氧乙烯烷基或炔烃酯,例如乙氧基脂肪酸;乙氧基化的或未被乙氧基化的失水山梨糖醇烷基酯;甘油烷基酯;蔗糖酯;和烷基多苷。示例性的阴离子型表面活性剂的种类包括脂肪酸、硫酸盐、磺酸盐、和醇、烷基苯酚、聚氧乙烯醇和聚氧乙烯烷基苯酚的磷酸单酯或二酯、以及聚氧乙烯醇和聚氧乙烯烷基苯酚的羧酸酯。这些物质可以以其酸的形式使用,但是更一般地是以盐例如钠、钾或铵盐的形式使用。
阳离子型表面活性剂的种类包括:聚氧乙烯叔烷基胺或烯基胺,如乙氧基脂肪胺、季铵表面活性剂和聚氧乙烯烷基醚胺。这些阳离子型表面活性剂的代表性具体实例包括聚氧乙烯(5)椰油胺、聚氧乙烯(15)牛脂胺、二硬脂基二甲基氯化铵、N-十二烷基吡啶氯化物和聚氧丙烯(8)乙氧基三甲基氯化铵。本领域已知的许多具有不同结构季铵类阳离子型表面活性剂可与草甘膦组合使用,并且其可以用于本发明的组合物中。
适宜的乳化剂和润湿剂包括但不局限于:离子型和非离子型如聚丙烯酸盐、木素磺酸盐、苯酚磺酸或萘磺酸、环氧乙烷与脂肪醇的缩聚产物、脂肪酸或脂肪胺、被取代的苯酚(特别是烷基苯酚或芳基苯酚)、磺酰琥珀酸酯盐(sulphonosuccinic acid ester salts)、氨基乙磺酸的衍生物(特别是烷基氨基乙磺酸盐)、醇磷酸酯或环氧乙烷与苯酚的缩聚产物、脂肪酸酯与多元醇的酯、以及上述化合物的具有硫酸酯、磺酸酯和磷酸酯基团的衍生物。
本发明的组合物还可以包含其他活性成分,例如其他草甘膦盐如单(异丙胺)草甘膦盐;肥料如硝酸铵、尿素、碳酸钾和过磷酸盐;植物毒素和植物生长调节剂;和杀虫剂。这些附加成分可以依次使用或与上述组合物配合使用。例如,可以在用其他活性成分处理植物之前或之后,用本发明的组合物对其进行喷雾。本发明的组合物还可以与其他活性成分混合并用于单独的用途,这些活性充分例如有麦草畏(3,6-二氯-2-甲氧基苯甲酸);2,4-D((2,4-二氯苯氧基)乙酸);和灭草烟(2-(4-异丙基-4-甲基-5-氧-2-咪唑啉-2-基)烟酸)。
可以在本发明的组合物中掺杂其他可选择的成分以促进活性成分的使用和/或效力。为此,可添加的任选组分包括消泡剂,其包括聚硅氧烷基消泡剂;增稠剂如热解硅石;抗微生物剂;抗氧化剂;缓冲剂;染料;香料;稳定剂和防冻剂。示例性的防冻剂包括但不局限于:二元醇如丙二醇和乙二醇、N-甲基吡咯烷酮、环己酮以及醇类如甲醇和乙醇。
本发明的组合物可以存在于任何有效的制剂中,该制剂包括但不限于浓缩液体溶液和稀释液体溶液、粉末和乳液。可以通过将本发明的一种或多种草甘膦盐与液体载体混合至所需浓度而制备浓缩液体溶液和稀释液体溶液。一般地,浓缩溶液在市场上有售并且最终用户可以将其与水混合从而得到清液。在液体溶液中,以单位体积组合物中草甘膦盐重量表示的草甘膦盐的浓度可以为2lb/gal(224克/升)、3lb/gal(335克/升)、4lb/gal(447克/升)或更高。
在一个示例性的实施方案中,该组合物包括单(2-(2-氨基乙氧基)乙醇)草甘膦盐和含水载体。在另一个示例性的实施方中案,该组合物包括单(2-(2-氨基乙氧基)乙醇)草甘膦盐和包含N-甲基吡咯烷酮的载体。在这样的组合物中,载体还可以包含水。
本发明的浓缩液体溶液通常包含大约40%~大约90%草甘膦盐和大约10%~大约60%载体,如N-甲基吡咯烷酮和/或水;其中所有百分比均根据整个混合物的重量计算。本发明的稀释液体溶液一般包含大约2%~大约40%草甘膦盐和大约60%~大约98%载体,如N-甲基吡咯烷酮和/或水;其中所有百分比均根据整个混合物的重量计算。
包含一种或多种本发明的草甘膦盐、载体、惰性固体稀释剂和一种或多种润湿剂的粉末组合物也是本发明的一部分。该惰性固体稀释剂通常源自矿物例如天然粘土、硅藻土和衍生自硅石等的合成物质。这些稀释剂的实例包括但不局限于高岭石、绿坡缕石土和合成硅酸镁。本发明的粉末通常包含大约5%~大约95%草甘膦盐,大约0.25%~大约25%载体,大约0.25%~大约25%湿润剂和大约4.5%~大约94.5%惰性固体稀释剂,所有百分比均根据整个混合物的重量计算。
合成方法:
使用有机合成化学家通常已知的方法可以轻易地合成本发明的化合物。一般地,通过用适量的碱如醚胺成盐阳离子部分地或完全地中和草甘膦酸来合成该化合物。然后可以从溶液分离该化合物。
按照本发明配入浓缩液体组合物的草甘膦盐可以通过以下一般方法制备;然而本发明不局限于通过该方法制备的组合物。制备本发明的浓缩液体组合物的方法包括中和步骤。该步骤包括在液体介质如水介质中用一种或多种醚胺成盐阳离子中和第一摩尔量的草甘膦酸。搅拌该混合物以制备包含一种或多种两性草甘膦盐的液体组合物。一代盐和二代盐的相对摩尔比是每摩尔草甘膦酸中加入胺的量的函数。
中和步骤可以另外包括向液体组合物中搅拌加入另一摩尔量的不同活性成分,如另一种草甘膦酸。第二摩尔量的活性成分可以在液体介质中预先单独地制备或者通过中和作用原位制备。在任一情况下,可以在中和第一摩尔量的草甘膦盐之前、期间或者之后加入这种活性成分。
中和步骤可以在任何适宜的温度例如高于所用醚胺成盐阳离子的熔点的温度下进行。在一个实施方案中,中和步骤中的液体介质的温度为大约20℃~大约100℃。
该方法还可以包括调节步骤。在该步骤中,可以搅动液体组合物,直到在中和步骤中形成的包含两性草甘膦盐的超分子聚集物呈胶状地分散于液体介质中。该步骤采用的温度可以是任何适合该组合物的温度,包括将该组合物保持在中和步骤的温度下。调节步骤可以持续大约5分钟至大约48小时。
可以在过程中的任何地方(包括在中和步骤期间和/或之后和在调节步骤期间和/或之后)将附加成分与组合物混合。
应用和用法:
当根据本发明操作时,可以通过将植物与除草有效量的本发明组合物接触来抑制不需要的植物的生长。可以用常规方法(例如动力喷粉机、机械手喷雾器和手动喷雾器以及喷雾喷粉机)在陆生植物上施用这种除草组合物。由于其在低剂量下有效,也可以从飞机上以粉末或喷雾的形式施用该组合物。通常可以通过在要求控制水生植物的区域中对水生植物喷洒该组合物的方式来实现除草组合物在水生植物上的应用。
对目标植物施用除草有效量的本发明的化合物/组合物应当根据期望植物达到的效果,以及其他因素如植物的品种及其生长阶段、降雨量和所用的具体草甘膦盐。在为控制陆生植物而进行的叶处理中,期望施用的活性成分的量为每英亩大约0.01~大约20磅或更多。在控制水生植物的应用中,期望施用的活性成分的量(以水生介质为基准)为每百万大约0.01份~大约1000份。
本发明的组合物还可用作许多农作物的收割助剂。因此,例如可以在农作物上喷洒本发明组合物以减少大部分不需要的物质并使农作物的收割更容易。这些农作物的实例有花生、大豆和根类作物如马铃薯、糖用甜菜、红色甜菜等。
本发明的组合物可用于在植被区中种植种子而不必使用犁耕或其他机械方式准备苗床。可以将农作物种子以条播或者其他方式播种,并在此之前或之后结合施用本发明的组合物,以杀死不需要的生长植被,条件是在农作物显露之前施用该组合物。随着被喷洒植物的枯萎和死亡,这些植物可以充当覆盖和保湿层(其中种子可以发芽)或用于使土壤保持温暖和湿润。
本发明的组合物提供广谱除草,还非常适用于作为通用除草剂,并对控制果园、林场和多种农作物中不需要的植物非常有用。例如,已经发现通过在不需要的植物上定向喷洒本发明的组合物,并同时基本上避免使其接触树木的叶子,从而控制这些不需要的植物同时不对树木产生明显的伤害。在这种定向喷雾中,喷雾可以落在果树或其他树木的木质部分上而不产生任何明显作用。因此,用于控制的定向喷雾法可用于农作物例如栽培作物,即橡胶、咖啡、香蕉、茶叶等,以及用于果树如柑桔类水果、苹果、桃、梨、坚果、橄榄;用于葡萄园和悬钩子属作物和用于苗圃作物中以控制不需要的植物,以及用于农作物如棉花、大豆、甘蔗等。可以在存在或者不存在保护装置(用于防止喷雾与这些作物的叶子的接触)的条件下实施定向喷雾。
实验部分:
给出以下实施例,以便为本领域的一般技术人员提供完整的的公开与说明,其涉及如何制备和评价此处所要求保护的化合物、组合物、制品、装置和/或方法,并且仅仅为了说明本发明,而不是为了限制本发明人认为的作为发明的范围。已经努力确保数值的准确度(例如量、温度等),但是应当说明会有某些误差或偏差。除非另作说明,百分比是组分重量和组合物总重量的百分比,温度以℃为单位或为室温,压力为大气压或接近大气压。
实施例1
通过在46.96克(36.49%)蒸馏水中将49.74克(39.16%)工业级草甘膦酸与30.93克(29.35%)二甘醇胺(Texaco)(2-(2-氨基乙氧基乙醇)混合的方法制备2-(2-氨基乙氧基)乙醇草甘膦盐的浓缩溶液。在室温(约25℃)下制备该溶液并在反应期间温度升高。混合该制剂约20分钟。所得2-(2-氨基乙氧基)乙醇草甘膦盐的组合物比重为1.27(在20/4℃下)。
实施例2
通过在24.56克(19.43%)去离子水中将63.16克(49.73%)工业级草甘膦与39.27克(30.84%)二甘醇胺(Texaco)(2-(2-氨基乙氧基)乙醇混合的方法制备每加仑组合物(447克/升)中含有4lb.2-(2-氨基乙氧基)乙醇草甘膦盐的浓缩液体溶液。在室温(约25℃)下制备该溶液并在反应期间温度升高。搅拌该混合物直到固体被溶解。所得的2-(2-氨基乙氧基)乙醇草甘膦盐溶液的色彩鲜亮。平稳地冷却该溶液以使在-10℃下没有形成晶体。
实施例3
通过将63.15克(52.12%)的实施例2制备的2-(2-氨基乙氧基)乙醇草甘膦盐组合物与44.01克(36.33%)N-甲基吡咯烷酮混合的方法制备每加仑组合物(224克/升)中含有2lb.2-(2-氨基乙氧基)乙醇草甘膦盐的稀释液体溶液。然后添加14.00克(11.55%)去离子水以获得清夜。平稳地冷却所得的溶液以使在-10℃下没有形成晶体。
本申请通篇引用了多种出版物。为此这里将这些出版物的公开内容的全文引入本申请作为参考。
对本领域的技术人员来说,显然可以在不偏离本发明的范围或精神的条件下对本发明的进行多种修改和变化。从本发明的说明书和对所公开发明的实践考虑,本发明的其他实施方案对本领域的技术人员来说是显而易见的。本说明书和实施例仅为示例性的,本发明的真正范围和精神如以下权利要求所示。
Claims (20)
2.根据权利要求1所述的化合物,其中R5和R6各自为C1-C6烷基。
3.根据权利要求1所述的化合物,其中R5为C2H4和R6为C2H4OH。
4.根据权利要求1所述的化合物,其中所述化合物为单(2-(2-氨基乙氧基)乙醇)草甘膦盐。
5.一种除草组合物,包含:
a)具有式(I)的草甘膦盐
其中Z为COOH、COSH、COCl、COBr、COF、COI或COR3;R1、R2和R3各自独立地为OH或者OR4,并且R1、R2和R3中至少一个为OR4;和R4为如式(II)的醚胺成盐阳离子:
H4N-R5-O-R6 (II)
其中R5和R6独立地为C1-C6烷基、C2-C6烯烃或者C2-C6炔烃;和
b)载体。
6.根据权利要求5所述的组合物,其中R5和R6各自为C1-C6烷基。
7.根据权利要求5所述的组合物,其中R5为C2H4和R6为C2H4OH。
8.根据权利要求5所述的组合物,其中所述载体为水溶液。
9.根据权利要求5所述的组合物,其还包含表面活性剂。
10.根据权利要求5所述的组合物,其还包含肥料、植物毒素、植物生长调节剂、杀虫剂、消泡剂、增稠剂、抗微生物剂、抗氧化剂、缓冲剂、乳化剂、润湿剂、染料、香料、稳定剂、防冻剂或它们的组合物。
11.根据权利要求5所述的组合物,其中所述的盐是单(2-(2-氨基乙氧基)乙醇)草甘膦盐,并且载体包含水。
12.根据权利要求11所述的组合物,其中草甘膦盐的浓度至少为3磅/加仑(335克/升)。
13.根据权利要求5所述的组合物,其中所述的盐是单(2-(2-氨基乙氧基)乙醇)草甘膦盐,并且载体包含N-甲基吡咯烷酮。
14.根据权利要求13所述的组合物,其中草甘膦盐的浓度至少为2磅/加仑(224克/升)。
15.根据权利要求13所述的组合物,其中所述载体还包含水。
17.根据权利要求16所述的方法,其中通过在植物上喷洒所述除草组合物进行接触。
18.根据权利要求17所述的方法,其中所述的盐是单(2-(2-氨基乙氧基)乙醇)草甘膦盐,并且液体载体为水。
19.根据权利要求18所述的方法,其中所述草甘膦盐的浓度为至少2磅/加仑(224克/升)。
20.根据权利要求19所述的方法,其中所述植物被杀死或者被破坏。
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CA2765888C (en) * | 2009-06-25 | 2017-11-21 | Hong Zhang | Herbicidal concentrate compositions containing glyphosate and dicamba salts |
KR101367258B1 (ko) | 2012-04-17 | 2014-02-27 | 인바이오 주식회사 | 속효성과 지효성을 동시에 갖는 제초제 |
AR091268A1 (es) | 2012-06-04 | 2015-01-21 | Monsanto Technology Llc | Composiciones herbicidas concentradas acuosas que contienen sales de glifosato y sales de dicamba |
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US4405531A (en) * | 1975-11-10 | 1983-09-20 | Monsanto Company | Salts of N-phosphonomethylglycine |
JPH072608B2 (ja) * | 1986-12-04 | 1995-01-18 | モンサント コンパニ− | 水性濃厚除草剤配合物 |
GB9111974D0 (en) * | 1991-06-04 | 1991-07-24 | Ici Plc | Novel process |
PT820231E (pt) * | 1995-04-10 | 2000-05-31 | Monsanto Co | Formulacoes de glifosato contendo surfactantes de eteramina |
NZ502397A (en) * | 1997-07-22 | 2002-04-26 | Monsanto Co | Storage stable high-loaded ammonium glyphosate and surfactant formulations |
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US6300323B1 (en) * | 2000-08-08 | 2001-10-09 | Ishihara Sangyo Kaisha, Ltd. | (Poly)ethereal ammonium salts of herbicides bearing acidic moieties and their use as herbicides |
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- 2002-09-13 DE DE60239689T patent/DE60239689D1/de not_active Expired - Lifetime
- 2002-09-13 WO PCT/EP2002/010299 patent/WO2003026428A1/en not_active Application Discontinuation
- 2002-09-13 CN CNB028184580A patent/CN100364405C/zh not_active Expired - Fee Related
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US6894004B2 (en) | 2005-05-17 |
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EP1429614A1 (en) | 2004-06-23 |
AR036559A1 (es) | 2004-09-15 |
BR0212584A (pt) | 2004-10-13 |
EP1429614B1 (en) | 2011-04-06 |
CN100364405C (zh) | 2008-01-30 |
DE60239689D1 (de) | 2011-05-19 |
BR0212584B1 (pt) | 2014-09-30 |
US20030060370A1 (en) | 2003-03-27 |
ATE504207T1 (de) | 2011-04-15 |
MXPA04002605A (es) | 2004-06-07 |
WO2003026428A1 (en) | 2003-04-03 |
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