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公开(公告)号：US3947457A
公开(公告)日：1976-03-30
申请号：US537055
申请日：1974-12-27
IPC分类号： C07D213/61 , C07D213/02
CPC分类号： C07D213/61
摘要： A method for preparing 2,5-dihalo- and 2,5,6-trihalopyridines corresponding to the formula ##SPC1##Wherein each X independently represents chloro, fluoro or bromo and R represents hydrogen, chloro, fluoro or bromo which comprises reacting a halohydrazinopyridine of one of the formulas ##SPC2##With an excess of an aqueous alkali metal hydroxide in the presence of a reaction medium from the group consisting of loweralkanols of 1 to 4 carbon atoms and loweralkylglycols of 2 to 4 carbon atoms.
摘要翻译： 对应于式（其中E X）的2,5-二卤代 - 和2,5,6-三卤代吡啶的制备方法独立地表示氯，氟或溴，R表示氢，氯，氟或溴，其包括使以下之一的卤代肼基吡啶与 在含有1至4个碳原子和2至4个碳原子的低级烷基的下列基团的反应介质存在下，碱性碱金属氢氧化物过量的配方。
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公开(公告)号：US4180395A
公开(公告)日：1979-12-25
申请号：US786702
申请日：1977-04-11
IPC分类号： A01N43/40 , A01N47/12 , A01N47/20 , C07D213/64 , A01N9/22 , C07D213/89
CPC分类号： C07D213/64 , A01N43/40 , A01N47/12 , A01N47/20
摘要： Compounds are prepared which correspond to the formula ##STR1## wherein X represents chloro, bromo or iodo; R' represents hydrogen or methyl and R represents carboxy (--COOH), the alkyl esters thereof (--COOR.sup.6 wherein R.sup.6 represents alkyl of 1 to 8 carbon atoms, (2-alkoxyethoxy)carbonyl (--COOCH.sub.2 CH.sub.2 OR.sup.2) or (1-methyl-2-alkoxyethoxy)carbonyl ##STR2## wherein R.sup.2 represents alkyl of 1 to 4 carbon atoms) or the metal salts thereof (--COOMe wherein Me represents ammonium or substituted ammonium ion (N.sup.+ H(R.sup.6).sub.3 wherein each R.sup.6 independently represents hydrogen, alkyl of 1 to 4 carbon atoms or hydroxyalkyl of 2 to 3 carbon atoms), alkali metal, alkaline earth metal, aluminum or a transition group metal); alkanoyloxymethyl (--CH.sub.2 OCOR.sup.2); (2,2-dichloropropionyloxy)methyl (--CH.sub.2 OCOC(Cl).sub.2 CH.sub.3); alkoxymethyl (--CH.sub.2 OR.sup.2); phenoxymethyl (--CH.sub.2 O.phi.); (2-alkoxyethoxy)methyl (--CH.sub.2 OCH.sub.2 CH.sub.2 OR.sup.2); hydroxyalkyl (--R.sup.3 OH wherein R.sup.3 represents alkylene of from 1 to 6 carbon atoms); 3-hydroxy-1-propenyl (--CH.dbd.CHCH.sub.2 OH); 1,2-dihydroxyethyl ##STR3## 1-(2-hydroxyethoxy)methyl (--CH.sub.2 --O--CH.sub.2 CH.sub.2 OH); (2-(2-hydroxyethoxy)ethoxy)methyl (--CH.sub.2 OCH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.2 OH); carbamoyl (--CONR.sup.4 R.sup.4 wherein each R.sup.4 independently represents hydrogen or alkyl of 1 to 8 carbon atoms); (carboxymethyl)carbamoyl (--CONHCH.sub.2 COOH); (2-hydroxyethyl)-carbamoyl (--CONR.sup.4 CH.sub.2 CH.sub.2 OH); or (carbamoyloxy)methyl (--CH.sub.2 OCONHR.sup.5 wherein R.sup.5 is alkyl of 1 to 4 carbon atoms or phenyl). These compounds have been found to be effective pre- and post-emergent herbicides and some as intermediates in preparing compounds which are effective pre- and post-emergent herbicides and as active agents in compositions used as herbicides.
摘要翻译： 制备符合下式的化合物：其中X代表氯，溴或碘; R'表示氢或甲基，R代表羧基（-COOH），其烷基酯（-COOR6，其中R6代表1-8个碳原子的烷基，（2-烷氧基乙氧基）羰基（-COOCH2CH2OR2）或（1-甲基-2 - 烷氧基乙氧基）羰基其中R2表示1至4个碳原子的烷基）或其金属盐（-COOMe，其中Me表示铵或取代的铵离子（N + H（R6）3，其中每个R6独立地表示氢，烷基 1至4个碳原子的羟烷基或2至3个碳原子的羟烷基），碱金属，碱土金属，铝或过渡族金属）; 烷酰氧基甲基（-CH 2 OCOR 2）; （2,2-二氯丙酰氧基）甲基（-CH 2 OCOC（Cl）2 CH 3）; 烷氧基甲基（-CH 2 OR 2）; 苯氧基甲基（-CH 2 O phi）; （2-烷氧基乙氧基）甲基（-CH 2 OCH 2 CH 2 OR 2）; 羟基烷基（-R 3 OH，其中R 3表示1至6个碳原子的亚烷基）; 3-羟基-1-丙烯基（-CH = CHCH 2 OH）; 1,2-二羟乙基1-（2-羟基乙氧基）甲基（-CH 2 -O-CH 2 CH 2 OH）; （2-（2-羟基乙氧基）乙氧基）甲基（-CH 2 OCH 2 CH 2 OCH 2 CH 2 OH）; 氨基甲酰基（-CONR 4 R 4，其中每个R 4独立地表示氢或1至8个碳原子的烷基）; （羧甲基）氨基甲酰基（-CONHCH2COOH）; （2-羟乙基） - 氨基甲酰基（-CONR 4 CH 2 CH 2 OH）; 或（氨基甲酰氧基）甲基（-CH 2 OCONHR 5，其中R 5为1至4个碳原子的烷基或苯基）。 已经发现这些化合物是有效的芽前和芽后除草剂，一些作为中间体在制备作为除草剂的组合物中的有效的芽前和芽后除草剂和作为活性剂的化合物中。
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公开(公告)号：US3976644A
公开(公告)日：1976-08-24
申请号：US537056
申请日：1974-12-27
IPC分类号： C07D241/16 , C07D241/20 , C07D241/46
CPC分类号： C07D241/20 , C07D241/16
摘要： A method for preparing 2,5-dihalopyrazines corresponding to the formula ##SPC1##Wherein X represents chloro, bromo or fluoro which comprises, reacting a 3,5,6-trihalo-2-hydrazinopyrazine of the formula ##SPC2##With an aqueous alkali metal hydroxide in the presence of a hydroxylic reaction medium.
摘要翻译： 一种制备对应于式WHEREIN X的2,5-二卤代吡嗪的方法，其中X代表氯，溴或氟，它包括使下式的3,5,6-三卤代-2-肼基吡嗪与水溶液中的碱金属氢氧化物反应 羟基反应介质。
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4.发明授权Substituted benzyltriethylammonium salts and their use as plant growth enhancers 失效取代的苄基三乙基铵盐及其作为植物生长增强剂的用途
公开(公告)号：US4701211A
公开(公告)日：1987-10-20
申请号：US746142
申请日：1985-06-18
CPC分类号： A01N33/12
摘要： Compounds are prepared which correspond to the formula ##STR1## wherein R represents hydrogen, chloro, bromo or trifluoromethyl; n represents an integer of from 1 or 2, with the proviso that when R is trifluoromethyl, n is 1; and X represents a non-phytotoxic anion. The compounds have been found to be active plant growth enhancers.
摘要翻译： 制备符合下式的化合物：其中R代表氢，氯，溴或三氟甲基; n表示1或2的整数，条件是当R是三氟甲基时，n是1; X表示非植物毒性阴离子。 已经发现这些化合物是活性植物生长增强剂。
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5.发明授权Substituted benzyltrialkylammonium salts and their use as plant growth regulatory control agents 失效取代的苄基三烷基铵盐及其作为植物生长调节剂的用途
公开(公告)号：US4343647A
公开(公告)日：1982-08-10
申请号：US157755
申请日：1980-06-09
CPC分类号： A01N33/12
摘要： Compounds are prepared which correspond to the formula ##STR1## wherein R represents hydrogen, chloro, bromo or trifluoromethyl; n represents an integer of from 1 or 2 with the proviso that when R is trifluoromethyl, n is 1; R.sup.1, R.sup.2 and R.sup.3 each independently represent ethyl, n-propyl, n-butyl, isobutyl, ethynyl, vinyl or ethoxymethyl or R.sup.2 and R.sup.3 taken together form an alkylene bridge of 2 to 4 carbon atoms and X represents a non-phytotoxic anion. The compounds have been found to be active plant growth regulatory control agents.
摘要翻译： 制备符合下式的化合物：其中R代表氢，氯，溴或三氟甲基; n表示1或2的整数，条件是当R为三氟甲基时，n为1; R 1，R 2和R 3各自独立地表示乙基，正丙基，正丁基，异丁基，乙炔基，乙烯基或乙氧基甲基，或者R 2和R 3一起形成2至4个碳原子的亚烷基桥，X表示非植物毒性阴离子。 已经发现这些化合物是活性植物生长调节剂。
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公开(公告)号：US4066438A
公开(公告)日：1978-01-03
申请号：US676035
申请日：1976-04-12
IPC分类号： A01N43/40 , C07D213/73 , C07D213/74 , C07D213/75 , C07D213/61 , A01N9/22
CPC分类号： C07D213/73 , A01N43/40 , C07D213/74 , C07D213/75
摘要： Novel compounds corresponding to the formula ##STR1## and the organic or inorganic acid addition salts thereof, wherein X represents chloro, bromo or fluoro; R.sup.1 represents hydrogen, amino, loweralkylamino, arylamino, loweralkylamido or N-(loweralkyl)loweralkylamido; R.sup.2 represents hydrogen, X, amino or loweralkylamino, with the proviso that one of R.sup.1 or R.sup.2 is always amino or loweralkylamino and the other of R.sup.1 or R.sup.2 is other than amino or loweralkylamino; R represents butyl, 2-hydroxypropyl, 4-hydroxybutyl, 6-hydroxyhexyl or the radical ##STR2## wherein Z represents amino, lower-alkylamino, phenylamino, hydroxy, loweralkoxy, aryloxy, 2-propenyl, hydroxyloweralkoxy, mercapto, loweralkylthio, loweralkanoyloxy or 2-haloloweralkanoyloxy and R.sup.3 represents hydrogen or methyl and with the proviso that R is other than butyl when R.sup.2 is X are prepared. These compounds are useful as herbicides and as active agents in compositions used as herbicides.
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