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Aclonifen

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270: 177: 506: 501: 511: 734: 774: 722: 710: 24: 1219: 1156: 1197: 852:. Before a formulated product can be developed for market, the active substance must be approved. Then authorisation for the specific product must be sought from every Member State that the applicant wants to sell it to. Afterwards, there is a monitoring programme to make sure the pesticide residues in food are below the limits set by the 1066:
Kahlau, Sabine; Schröder, Florian; Freigang, Jörg; Laber, Bernd; Lange, Gudrun; Passon, Daniel; Kleeßen, Sabrina; Lohse, Marc; Schulz, Arno; von Koskull-Döring, Pascal; Klie, Sebastian; Gille, Sascha (October 2020). "Aclonifen targets solanesyl diphosphate synthase, representing a novel mode of
703:, was launched in 1981. Meanwhile, Rohm & Haas introduced acifluorfen (as its sodium salt) in 1980. It had much improved properties including a wider spectrum of herbicidal effect and good safety to soybean crops. The first patent for this material was published in December 1975, 748:
compounds having an amine group adjacent to the nitro substituent and also having an additional chlorine atom between the amine and the oxygen of the diphenyl ether. 2-Chloro-3-phenoxy-6-nitroaniline was described as having selectivity, so that important
663:(PPO). Both mechanisms could result in the observed whole-plant effect of bleaching (removal of leaf colour) and the compound includes chemical features (a nitro group attached to a diphenyl ether) that are known to result in PPO effects, as seen with 837: 668: 871:
according to the crop and formulation. For example, Proclus is used in winter wheat and Emerger in potatoes. It is normally applied pre-emergence (before weeds are visible in the crop) and controls or suppresses species including
519: 481: 805:: in 1983 several hypotheses were advanced regarding the molecular-level interactions which might explain these symptoms. By 1992, it was becoming clear that most compounds of this class inhibit the enzyme 465: 836:. This led to the conclusion that it expressed a dual mode of action. In 2020, further research revealed that it is likely to have a completely different and novel mode of action, targeting 1336:
Dayan, Franck E.; Reddy, Krishna N.; Duke, Stephen O. (1999). "Structure-Activity Relationships of Diphenyl Ethers and Other Oxygen-Bridged Protoporphyrinogen Oxidase Inhibitors".
1217:, Buck W.; Linden G. & Lust S. et al., "2-Chloro-3-(phenoxy or phenylthio)-6-6-nitro-anilines", issued 1981-09-16, assigned to Celamerck GmbH and Co KG 972:
Kılınç, Özgür; Reynaud, Stéphane; Perez, Laurent; Tissut, Michel; Ravanel, Patrick (February 2009). "Physiological and biochemical modes of action of the diphenylether aclonifen".
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Nandihalli, Ujjana B.; Duke, Mary V.; Duke, Stephen O. (1992). "Quantitative structure-activity relationships of protoporphyrinogen oxidase-inhibiting diphenyl ether herbicides".
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is registered for use against weeds in crops including cereals, potato and sunflower. It is particularly safe to sunflower, owing to the metabolism which occurs in that crop.
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The detailed mechanism of action for nitro diphenyl ether herbicides such as acifluorfen was unknown at the time they were invented. The effects visible on whole plants are
94: 1195:, Bayer H. O.; Swithenbank C. & Yih R. Y., "Herbicidal 4-trifluoromethyl-4'-nitrodiphenyl ethers", issued 1975-12-23, assigned to Rohm & Haas 849: 1876: 309: 744:
Celamerck scientists were also working on analogs retaining the 4-nitrodiphenyl ether framework and in 1978 filed a patent of relatively narrow scope which
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Matringe, M.; Clair, D.; Scalla, R. (1990). "Effects of peroxidizing herbicides on protoporphyrin IX levels in non-chlorophyllous soybean cell culture".
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Kılınç, Özgür; Grasset, Renaud; Reynaud, Stéphane (June 2011). "The herbicide aclonifen: The complex theoretical bases of sunflower tolerance".
1154:, Theissen R.J., "Herbicidal 4-trifluoromethyl-4'-nitrodiphenyl ethers", issued 1974-01-08, assigned to Mobil Oil Corporation 1386: 1353: 1664: 1111: 2588: 2562: 2024: 1002:
Dayan, Franck E; Owens, Daniel K; Duke, Stephen O (2012-01-09). "Rationale for a natural products approach to herbicide discovery".
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The preparation of aclonifen first described in Celamerck patents starts from 2,3,4-trichloronitrobenzene. This is reacted in an
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with ammonia in dimethyl sulfoxide. The intermediate aniline is treated with potassium phenolate in an
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and first registered for sale in 1964. This area of chemistry became very competitive, with the
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Aclonifen is registered for use in the European Union, where a two-tiered approach is used for
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The nitrophenyl ethers are a well-known class of herbicides, the oldest member of which was
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Nagano, Eiki (1999). "Herbicidal Efficacy of Protoporphyrinogen Oxidase Inhibitors".
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InChI=1S/C12H9ClN2O3/c13-11-10(18-8-4-2-1-3-5-8)7-6-9(12(11)14)15(16)17/h1-7H,14H2
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in 2017, aclonifen began to be used as a pre-emergence herbicide in potatoes.
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Aclonifen was shown to be an inhibitor of PPO but in addition had effects on
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has been uncertain, with evidence suggesting it might interfere with
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when used at application rates of 600 g a.i. per hectare.
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Except where otherwise noted, data are given for materials in their
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Jursík, M.; Soukup, J.; Holec, J.; Andr, J.; Hamouzová, K. (2016).
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under the code number RPA099795 and launched in 1983 in Europe.
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group adjacent to the nitro group of nitrofen. This product,
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Turkish Journal of Agriculture - Food Science and Technology
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crops and this lack of damage to the crop extended to some
459: 1404:"The Symptoms of Herbicidal Action: The Case of Aclonifen" 651:
which has been used in agriculture since the 1980s. Its
761:. Aclonifen was subsequently developed and marketed by 691:
filing in 1969 and grant in 1974 of a patent to the
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This is a potent 296:Key: DDBMQDADIHOWIC-UHFFFAOYSA-N 133: 113: 7: 817:which activates oxygen, leading to 659:biosynthesis or inhibit the enzyme 206: 671:which would also cause bleaching. 14: 753:weeds could be controlled within 40:2-chloro-6-nitro-3-phenoxyaniline 1421:10.24925/turjaf.v3i6.472-477.391 732: 720: 708: 509: 504: 499: 353: 350: 344: 22: 1402:Kılınç, Özgür Kıvılcım (2015). 1170:Pesticide Properties Database. 1129:Pesticide Properties Database. 939:Pesticide Properties Database. 789:using acetonitrile as solvent. 629:(at 25 °C , 100 kPa). 943:. University of Hertfordshire. 854:European Food Safety Authority 838:solanesyl diphosphate synthase 669:solanesyl diphosphate synthase 359: 338: 1: 1437:"HRAC Mode of Action Updates" 1174:. University of Hertfordshire 1133:. University of Hertfordshire 1110:Pinho, Bárbara (2021-04-06). 863:Aclonifen is now supplied by 1509:10.1016/j.pestbp.2011.04.001 1379:10.1007/978-3-642-58633-0_11 1323:10.1016/0048-3575(92)90033-V 1247:10.1016/0048-3575(90)90039-5 1014:Society of Chemical Industry 986:10.1016/j.pestbp.2008.11.008 828:synthesis, by inhibition of 1346:10.1007/978-3-642-58633-0_5 2620: 1260:Ridley, Stuart M. (1983). 850:approval and authorisation 832:at similar concentrations 807:protoporphyrinogen oxidase 777:The synthesis of aclonifen 661:protoporphyrinogen oxidase 2397:Photosystem II inhibitors 2311:Photosystem II inhibitors 623: 480: 475: 444: 325: 305: 280: 53: 45: 35: 30: 21: 2589:Nitrobenzene derivatives 2270:Photosystem I inhibitors 1611:Crop Production Magazine 1528:Plant Protection Science 1481:10.2903/j.efsa.2008.149r 1067:action for herbicides". 556:Precautionary statements 1585:cropscience.bayer.co.uk 1560:cropscience.bayer.co.uk 1371:Peroxidizing Herbicides 1338:Peroxidizing Herbicides 1069:Pest Management Science 1005:Pest Management Science 787:Ullmann ether synthesis 689:Mobil Oil Corporation's 875:Alopecurus myosuroides 778: 409:1.4 mg/L (20 °C) 1215:US patent 4394159 1193:US patent 3928416 1152:US patent 3784635 776: 1541:10.17221/82/2014-PPS 1373:. pp. 293–302. 1340:. pp. 141–161. 1172:"Acifluorfen-sodium" 893:Fallopia convolvulus 647:is a diphenyl ether 2498:aminocyclopyrachlor 2463:sulfometuron methyl 1278:10.1104/pp.72.2.461 867:under a variety of 830:phytoene desaturase 793:Mechanism of action 404:Solubility in water 377: g·mol 18: 2458:metsulfuron-methyl 2127:Nitrophenyl ethers 954:PubChem Database. 865:Bayer Crop Science 819:lipid peroxidation 779: 633:Infobox references 16: 2571: 2570: 2476: 2475: 2382: 2381: 2296: 2295: 2217: 2216: 2118:Protox inhibitors 2112: 2111: 2108: 2107: 2035:ACCase inhibitors 1388:978-3-642-63674-5 1355:978-3-642-63674-5 1075:(10): 3377–3388. 887:Chenopodium album 858:active ingredient 811:protoporphyrin IX 693:structural analog 641:Chemical compound 639: 638: 534:Hazard statements 463: 249:CompTox Dashboard 95:Interactive image 2611: 2393: 2307: 2266: 2175:Pyrimidinediones 2123: 2040: 1978: 1925:Organophosphorus 1667: 1660: 1653: 1644: 1622: 1621: 1619: 1617: 1602: 1596: 1595: 1593: 1592: 1577: 1571: 1570: 1568: 1567: 1552: 1546: 1545: 1543: 1519: 1513: 1512: 1492: 1486: 1485: 1483: 1460: 1454: 1453: 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747: 735: 730: 723: 718: 711: 706: 704: 702: 694: 690: 686: 682: 674: 672: 670: 666: 662: 658: 654: 650: 646: 634: 628: 622: 560: 557: 553: 552: 538: 535: 531: 530: 527: 524: 521: 517: 516: 512: 507: 502: 498: 495: 491: 490: 486: 484: 479: 474: 467: 457: 456: 454: 452: 449: 448: 445:Pharmacology 443: 439: 433: 429: 426: 425: 421: 419: 418: 413: 412: 408: 405: 401: 400: 396: 394: 393:Melting point 391: 390: 386: 384: 381: 380: 373: 371: 368: 367: 337: 334: 330: 329: 324: 315: 311: 304: 290: 286: 279: 271: 267: 266:DTXSID7058175 263: 262: 260: 250: 246: 245: 238: 234: 233: 231: 229: 226: 225: 218: 214: 213: 211: 205: 201: 200: 193: 192: 190: 188: 183: 182: 178: 174: 171: 169: 167:ECHA InfoCard 164: 163: 156: 152: 151: 149: 147: 144: 143: 136: 135:ChEMBL1485557 132: 131: 129: 127: 124: 123: 116: 112: 111: 109: 107: 104: 103: 96: 92: 91: 89: 85: 80: 79: 72: 68: 67: 65: 62: 58: 57: 52: 44: 38: 34: 29: 25: 20: 2599:Chloroarenes 2558:pyribenzoxim 2553:prosulfocarb 2543:metam sodium 2492: 2405:chlortoluron 2188:saflufenacil 1890:isoxaflutole 1799:aminopyralid 1763:pretilachlor 1733:dimethenamid 1728:diflufenican 1674:Pest control 1634: 1614:. Retrieved 1610: 1600: 1589:. Retrieved 1584: 1575: 1564:. Retrieved 1559: 1550: 1531: 1527: 1517: 1500: 1496: 1490: 1474:(10). 2008. 1471: 1468:EFSA Journal 1467: 1458: 1447:. Retrieved 1443: 1430: 1411: 1407: 1397: 1370: 1364: 1337: 1331: 1314: 1310: 1304: 1269: 1265: 1255: 1238: 1234: 1228: 1187: 1176:. Retrieved 1165: 1146: 1135:. Retrieved 1124: 1115: 1105: 1072: 1068: 1020:): 519–528. 1009: 1003: 980:(2): 65–71. 977: 973: 949: 910: 903: 897: 891: 885: 879: 873: 862: 847: 833: 823: 796: 780: 743: 695:with a COOCH 678: 644: 643: 525: 482: 451:Legal status 431: 416: 115:CHEBI:137374 54:Identifiers 46:Other names 2430:tebuthiuron 2425:monolinuron 2183:butafenacil 2165:oxyfluorfen 2145:fluorodifen 2135:acifluorfen 2052:chlorazifop 2000:dichlorprop 1953:glufosinate 1915:sulcotrione 1824:pyrithiobac 1778:trifluralin 1748:metolachlor 1743:metazachlor 1713:benfluralin 956:"Aclonifen" 941:"Aclonifen" 869:brand names 803:desiccation 739:Acifluorfen 665:acifluorfen 520:Signal word 326:Properties 173:100.070.619 2584:Herbicides 2578:Categories 2548:metribuzin 2528:indaziflam 2508:bromoxynil 2468:tribenuron 2374:metamitron 2334:hexazinone 2261:Quaternary 2236:fluroxypyr 2100:sethoxydim 2082:quizalofop 2067:fenoxaprop 1963:piperophos 1958:glyphosate 1910:sethoxydim 1905:nitisinone 1900:mesotrione 1844:Arsenicals 1829:quinclorac 1809:clopyralid 1804:chloramben 1768:propachlor 1698:acetochlor 1678:herbicides 1591:2021-05-10 1566:2021-05-10 1449:2021-05-10 1414:(6): 472. 1178:2021-03-03 1137:2021-03-03 1131:"Nitrofen" 919:References 826:carotenoid 657:carotenoid 494:Pictograms 387:1.46 g/cm 370:Molar mass 237:1762RDA835 146:ChemSpider 82:3D model ( 71:74070-46-5 61:CAS Number 37:IUPAC name 17:Aclonifen 2538:methazole 2513:clomazone 2493:aclonifen 2369:terbutryn 2349:propazine 2344:prometryn 2329:cyanazine 2302:Triazines 2278:cyperquat 2251:triclopyr 2246:thiazopyr 2231:dithiopyr 2223:Pyridines 2150:fomesafen 2077:haloxyfop 2072:fluazifop 2057:cyhalofop 1938:bialaphos 1933:bensulide 1834:quinmerac 1723:diethatyl 1718:butachlor 1636:Aclonifen 1581:"Emerger" 1556:"Proclus" 1097:211063448 1034:1526-498X 799:chlorosis 783:autoclave 769:Synthesis 649:herbicide 645:Aclonifen 602:P333+P313 594:P308+P313 590:P302+P352 485:labelling 194:277-704-1 186:EC Number 48:RPA099795 2594:Anilines 2503:Bentazon 2359:simetryn 2354:simazine 2339:prometon 2324:atrazine 2288:paraquat 2241:imazapyr 2160:nitrofen 2155:lactofen 2062:diclofop 2020:mecoprop 2005:fenoprop 1948:fosamine 1943:ethephon 1819:picloram 1788:Aromatic 1773:propanil 1753:oryzalin 1738:flamprop 1703:alachlor 1690:anilines 1686:Anilides 1444:wssa.net 1296:16663025 1089:32034864 1050:10841777 1042:22232033 834:in vitro 715:Nitrofen 681:nitrofen 476:Hazards 468:(Poison) 2533:juglone 2523:dinoseb 2420:monuron 2415:linuron 2319:ametryn 2140:bifenox 2025:2,4,5-T 1973:Phenoxy 1814:dicamba 1287:1066256 913:linuron 759:cereals 746:claimed 727:Bifenox 701:bifenox 675:History 526:Warning 428:Acidity 383:Density 204:PubChem 2481:Others 2283:diquat 1995:2,4-DB 1982:Auxins 1708:asulam 1587:. 2019 1562:. 2020 1385:  1352:  1294:  1284:  1221:  1199:  1158:  1095:  1087:  1048:  1040:  1032:  856:. The 464: 440:-3.15 375:264.67 310:SMILES 126:ChEMBL 31:Names 2563:Ziram 2388:Ureas 1990:2,4-D 1791:acids 1616:3 May 1440:(PDF) 1093:S2CID 1046:S2CID 1018:Wiley 1012:(4). 755:dicot 751:grass 422:4.37 285:InChI 217:92389 155:83411 106:ChEBI 84:JSmol 2518:DCBN 2488:3-AT 2410:DCMU 2015:MCPB 2010:MCPA 1867:MSMA 1862:DSMA 1618:2021 1383:ISBN 1350:ISBN 1292:PMID 1085:PMID 1038:PMID 1030:ISSN 902:and 844:Uses 801:and 618:P501 614:P405 610:P391 606:P363 598:P321 586:P281 582:P280 578:P273 574:P272 570:P261 566:P202 562:P201 548:H410 544:H351 540:H317 415:log 228:UNII 1536:doi 1505:doi 1501:100 1476:doi 1416:doi 1375:doi 1342:doi 1319:doi 1282:PMC 1274:doi 1243:doi 1077:doi 1022:doi 982:doi 483:GHS 254:EPA 207:CID 2580:: 1676:: 1609:. 1583:. 1558:. 1532:51 1530:. 1526:. 1499:. 1470:. 1466:. 1442:. 1410:. 1406:. 1381:. 1348:. 1315:43 1313:. 1290:. 1280:. 1270:72 1268:. 1264:. 1239:36 1237:. 1206:^ 1114:. 1091:. 1083:. 1073:76 1071:. 1058:^ 1044:. 1036:. 1028:. 1010:68 1008:. 994:^ 978:93 976:. 964:^ 927:^ 896:, 890:, 884:, 878:, 616:, 612:, 608:, 604:, 600:, 596:, 592:, 588:, 584:, 580:, 576:, 572:, 568:, 564:, 546:, 542:, 487:: 466:S6 460:AU 437:) 430:(p 351:Cl 342:12 1688:/ 1666:e 1659:t 1652:v 1620:. 1594:. 1569:. 1544:. 1538:: 1511:. 1507:: 1484:. 1478:: 1472:6 1452:. 1424:. 1418:: 1412:3 1391:. 1377:: 1358:. 1344:: 1325:. 1321:: 1298:. 1276:: 1249:. 1245:: 1181:. 1140:. 1118:. 1099:. 1079:: 1052:. 1024:: 1016:( 988:. 984:: 958:. 697:3 462:: 435:a 432:K 417:P 363:3 360:O 357:2 354:N 348:9 345:H 339:C 256:) 252:( 86:)

Index


IUPAC name
CAS Number
74070-46-5
JSmol
Interactive image
ChEBI
CHEBI:137374
ChEMBL
ChEMBL1485557
ChemSpider
83411
ECHA InfoCard
100.070.619
Edit this at Wikidata
EC Number
PubChem
92389
UNII
1762RDA835
CompTox Dashboard
DTXSID7058175
Edit this at Wikidata
InChI
SMILES
Chemical formula
Molar mass
Density
Melting point
Solubility in water

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