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1.发明授权
公开(公告)号：EP1303474B1
公开(公告)日：2010-10-06
申请号：EP01949710.6
申请日：2001-07-16
申请人： Syngenta Limited
IPC分类号： C07C51/41 , C07C51/43 , C07C51/60 , C07C69/34 , C07C69/62 , C07C53/23 , C07C51/09 , A01N53/00
CPC分类号： C07C51/60 , C07B2200/07 , C07C51/09 , C07C51/412 , C07C61/15 , C07C67/14 , C07C61/40 , C07C53/21 , C07C53/50 , C07C69/743
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公开(公告)号：EP1578720A1
公开(公告)日：2005-09-28
申请号：EP03786111.9
申请日：2003-12-09
申请人： Syngenta Limited
IPC分类号： C07C253/08 , C07C255/39
CPC分类号： C07C253/30 , C07B2200/07 , C07B2200/09 , C07C253/34 , C07C255/39 , C07C2601/02
摘要： A process for the preparation of gamma-cyahlothrin comprising a) chlorinating 1R cis-Z 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl cyclopropanecarboxylic acid to give 1R cis-Z 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl cyclopropanecarboxylic acid chloride; b) esterifying 1R cis-Z 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethyl cyclopropanecarboxylic acid chloride with 3-phenoxy benzaldehyde in the presence of a source of cyanide to form a diastereoisomeric mixture of cyhalothrin isomers and c) epimerising the diastereoisomeric mixture under conditions in which the least soluble diastereoisomer crystallises from solution.
摘要翻译： 一种制备γ-氰基丙烯腈的方法，包括a）将1R顺式-Z-（2-氯-3,3,3-三氟-1-丙烯基）-2,2-二甲基环丙烷甲酸氯化，得到1R顺式-Z 3-（2-氯-3,3,3-三氟-1-丙烯基）-2,2-二甲基环丙烷甲酰氯; b）在氰化源存在下，用3-苯氧基苯甲醛酯化1R顺式-Z-（2-氯-3,3,3-三氟-1-丙烯基）-2,2-二甲基环丙烷甲酰氯以形成 三氟氯氰菊酯异构体的非对映异构体混合物和c）在溶液中结晶最不溶性非对映异构体的条件下使非对映异构体混合物差向异构化。
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公开(公告)号：EP1578720B2
公开(公告)日：2016-08-31
申请号：EP03786111.9
申请日：2003-12-09
申请人： Syngenta Limited
IPC分类号： C07C253/30 , C07C255/39 , C07C253/34
CPC分类号： C07C253/30 , C07B2200/07 , C07B2200/09 , C07C253/34 , C07C255/39 , C07C2601/02
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公开(公告)号：EP0840717B1
公开(公告)日：2001-10-24
申请号：EP96922156.3
申请日：1996-07-04
申请人： Syngenta Limited
发明人： URCH, Christopher, John , BROWN, Stephen, Martin , MARKO, Istvan, Ettienne , GILES, Paul, Richard , TUSKAZAKI, Masao
CPC分类号： C07C319/20 , C07B41/06 , C07C45/38 , C07C45/39 , C07D213/40 , C07D307/48 , C07D333/22 , C07J9/00 , C07C323/19
摘要： A process for preparing an aldehyde or ketone comprising reacting a primary or secondary alcohol with oxygen in the presence of a base, a catalytic amount of a copper salt and a suitable lignad under anhydrous conditions.
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公开(公告)号：EP1578720B1
公开(公告)日：2013-05-15
申请号：EP03786111.9
申请日：2003-12-09
申请人： Syngenta Limited
IPC分类号： C07C253/30 , C07C255/39 , C07C253/34
CPC分类号： C07C253/30 , C07B2200/07 , C07B2200/09 , C07C253/34 , C07C255/39 , C07C2601/02
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6.发明授权
公开(公告)号：EP0853606B1
公开(公告)日：2001-09-26
申请号：EP96925900.1
申请日：1996-07-30
申请人： Syngenta Limited
CPC分类号： C07C19/10 , C07C17/206
摘要： The present invention provides the novel chlorofluorohydrocarbon 1,1-difluoro-1,4-dichlorobutane, and a process for its preparation by reacting 1,1,1,4-tetrachlorobutane with hydrogen fluoride in the liquid phase. The product has useful solvent properties and is also useful in synthetic chemistry for the introduction of fluorocarbon functionality.
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7.发明授权
公开(公告)号：EP1051417B1
公开(公告)日：2004-11-03
申请号：EP98958347.1
申请日：1998-12-07
申请人： Syngenta Limited
发明人： BROWN, Stephen, Martin , BOWDEN, Martin, Charles , PERRIOR, Trevor, Robert , SMITH, Douglas, John
IPC分类号： C07D451/02
CPC分类号： C07D451/02
摘要： A process for preparing a compound of formula (IV), wherein R1 is C¿1-4?alkyl, CH2(C1-3haloalkyl), benzyl, CH2(C2-5alkenyl or CH2(C2-5alkynyl), which comprises reducing a compound of formula (III). Compounds of formula (IV) are agrochemical intermediates.
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公开(公告)号：EP0757678B1
公开(公告)日：2003-05-14
申请号：EP95912362.1
申请日：1995-03-27
申请人： Syngenta Limited
IPC分类号： C07D239/30
CPC分类号： C07D239/30
摘要： A process for preparing 4,6-dichloropyrimidine comprising treating 4,6-dihydroxypyrimidine with phosgene in the presence of a suitable base and optionally in the presence of a solvent.
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9.发明公开
公开(公告)号：EP1303474A1
公开(公告)日：2003-04-23
申请号：EP01949710.6
申请日：2001-07-16
申请人： Syngenta Limited
IPC分类号： C07C51/41 , C07C51/43 , C07C51/60 , C07C69/34 , C07C69/62 , C07C53/23 , C07C51/09 , A01N53/00
CPC分类号： C07C51/60 , C07B2200/07 , C07C51/09 , C07C51/412 , C07C61/15 , C07C67/14 , C07C61/40 , C07C53/21 , C07C53/50 , C07C69/743
摘要： A process for producing compounds of formula (VIIa) and (VIIb) wherein X is a leaving group; Y and Y1 are idependently Cl or Br; and Z is Cl, Br or a haloalkyl group which process comprises a) reacting a compound of formula (VII) wherein X, Y, Y1 and Z are as defined for compounds (VIIa) and (VIIb) with a substantially optically pure chiral amine in a solvent to form a diastereoisomeric salt; b) separating the diastereomeric salt of each enantiomer; c) converting the diastereomeric salt of each anantiomer separately to compounds of formulae (VIIa) and (VIIb) respectively by acid or base hydrolysis, the use of the compounds in making pyrethroid insecticides and novel intermediates.
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