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公开(公告)号:US5504173A
公开(公告)日:1996-04-02
申请号:US382043
申请日:1995-02-09
IPC分类号: C07C67/307 , C08G79/08 , C07C22/00 , C08C19/12
CPC分类号: C07C67/307
摘要: Process for preparing the (E)-isomer of a compound (II) by contacting the (E) or (Z) isomer of the 2-methylphenyl precursor, or a mixture of both, with bromine in an organic solvent, in the presence of a polymeric base and light. ##STR1##
摘要翻译: PCT No.PCT / GB93 / 01592 Sec。 371日期:1995年2月9日 102(e)1995年2月9日PCT PCT 1993年7月28日PCT公布。 第WO94 / 05620号公报 日期为1994年3月17日。通过使2-甲基苯基前体的(E)或(Z)异构体或两者的混合物与溴接触来制备化合物(II)的(E) - 异构体的方法, 有机溶剂,在聚合物基质和光的存在下。 (二)
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公开(公告)号:US5109004A
公开(公告)日:1992-04-28
申请号:US506842
申请日:1990-04-10
申请人: Nicola J. Bettesworth , Maureen Smith , Trevor R. Perrior , Alan J. Whittle , Alfred G. Williams , Donn W. Moseley
发明人: Nicola J. Bettesworth , Maureen Smith , Trevor R. Perrior , Alan J. Whittle , Alfred G. Williams , Donn W. Moseley
IPC分类号: C07D249/08 , A01N43/40 , A01N43/50 , A01N43/54 , A01N43/56 , A01N43/653 , A01P7/04 , C07D211/72 , C07D213/64 , C07D213/85 , C07D231/12 , C07D231/38 , C07D231/44 , C07D233/64 , C07D233/88 , C07D233/90 , C07D233/91 , C07D233/92 , C07D233/93 , C07D239/36 , C07D239/40 , C07D249/12 , C07D249/14
CPC分类号: C07D213/64 , A01N43/40 , A01N43/50 , A01N43/54 , A01N43/56 , A01N43/653 , C07D213/85 , C07D231/44 , C07D239/36 , C07D239/40 , C07D249/14
摘要: A phenyl substituted heterocyclic compound of formula (I): ##STR1## wherein R.sup.1 is optionally substituted pyridone, thiopyridone, pyrimidinthione, pyrimidinone, pyrazole, imidazole or triazole group; R.sup.2 is hydrogen, halogen, haloalkyl, nitro or cyano; R.sup.3 and R.sup.5 are independently selected from hydrogen, halogen, alkyl or cycloalkyl; R.sup.4 is halogen, haloalkyl, haloalkoxy or S(O).sub.n R.sup.6 where R.sup.6 is alkyl, haloalkyl or cycloalkyl and n is 0, 1 or 2; having insecticidal activity.
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公开(公告)号:US5221772A
公开(公告)日:1993-06-22
申请号:US710730
申请日:1991-06-04
申请人: Alfred G. Williams
发明人: Alfred G. Williams
IPC分类号: B01J27/055 , C07B61/00 , C07C51/367 , C07C59/48
CPC分类号: C07C51/367
摘要: A process for the preparation of: ##STR1## the process comprising treating (2-chlorophenyl)acetic acid with an alkali metal hydroxide (for example, sodium hydroxide) in an organic solvent (for example, an inert hydrocarbon solvent), in the presence of a catalyst (for example a copper salt) at a temperature above 130.degree. C. (for example in the range 130.degree. C. to 300.degree. C.).
摘要翻译: 一种制备方法:包括在有机溶剂(例如惰性烃溶剂)中用碱金属氢氧化物(例如氢氧化钠)处理(2-氯苯基)乙酸的方法, 的催化剂(例如铜盐)在130℃以上(例如在130℃至300℃的范围内)。
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公开(公告)号:US4490222A
公开(公告)日:1984-12-25
申请号:US485896
申请日:1983-04-18
IPC分类号: C07D303/08 , C25B3/00 , C25B3/02
CPC分类号: C25B3/00 , C07D303/08
摘要: A process for the production of epoxides of the formula (I): ##STR1## in which the benzene ring A is substituted with 1 to 3 halogen atoms, which are the same or different, and optionally carries other substituents, and R.sup.1 is ##STR2## which is the same as or different from the other group ##STR3## or C.sub.1-6 alkyl, the process comprising electrolyzing the corresponding alkene of the formula (II): ##STR4## in a medium comprising a solvent for the alkene and an aqueous solution of a halogen salt, the solvent/water ratio by weight being greater than unity, the solvent being miscible with water at the solvent/water ratio used and being chemically inert to both the alkene and the free halogen produced from the halogen salt by the electrolysis.The epoxides are useful in the synthesis of fungicidal compounds and certain of the epoxides are novel compounds.
摘要翻译: 制备式(I)的环氧化物的方法:其中苯环A被相同或不同的1至3个卤素原子取代,并且任选地带有其它取代基,并且R 1 是与另一组“IMAGE”或C 1-6烷基相同或不同的方法,该方法包括在包含溶剂的介质中电解相应的式(II)烯烃:(II) 对于烯烃和卤素盐的水溶液,溶剂/水的重量比大于1,溶剂与溶剂/水的比例与水混溶,并且对于烯烃和游离卤素都是化学惰性的 由卤素盐通过电解。 环氧化物可用于杀真菌化合物的合成,某些环氧化物是新化合物。
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公开(公告)号:US4384135A
公开(公告)日:1983-05-17
申请号:US226023
申请日:1981-01-19
IPC分类号: C07C17/20 , C07C17/00 , C07C17/38 , C07C25/13 , C07C41/00 , C07C41/01 , C07C41/16 , C07C43/29 , C07C45/00 , C07C49/78 , C07C49/825 , C07C49/84 , C07C51/00 , C07C51/347 , C07C63/04 , C07C63/70 , C07C65/21 , C07C65/24 , C07C67/00 , C07C67/30 , C07C69/92 , C07C201/00 , C07C205/38 , C07C205/59 , C07C231/00 , C07C231/12 , C07C235/46 , C07C255/54 , C07C255/56 , C07C255/59 , C07C311/08 , C07C121/75 , C07C143/74
CPC分类号: C07C201/08 , C07C17/093 , C07C17/208 , C07C17/383 , C07C201/12 , C07C209/365 , C07C209/74 , C07C25/13 , C07C311/03
摘要: A method of preparing a diphenyl ether compound of the formula (II) ##STR1## wherein X is F, Cl or Br; Z is hydrogen, halogen, NO.sub.2 of CN; and W is methyl, cyano, CH.sub.3 CO--, or a group --C--OR, wherein R is --OH; --OM wherein M is a cation; OR.sup.1 wherein R.sup.1 is an optionally substituted aliphatic radical; --NR.sup.2 R.sup.3 wherein R.sup.2 and R.sup.3 are each hydrogen or an optionally substituted aliphatic radical; or --NHSO.sub.2 R.sup.4 wherein R.sup.4 is alkyl of 1 to 6 carbon atoms, which comprises reacting a 3-X-substituted-4,5-difluorobenzotrifluoride with a salt of a 3,4-W,Z-substituted phenol. The invention further comprises novel 3-X-4,5-difluorobenzotrifluorides for use in the process.
摘要翻译: 制备式(II)的二苯醚化合物的方法其中X是F,Cl或Br; Z是氢,卤素,CN的NO2; W是甲基,氰基,CH 3 CO-或基团-C-OR,其中R是-OH; -OM其中M是阳离子; OR1,其中R1是任选取代的脂族基团; -NR2R3,其中R2和R3各自为氢或任选取代的脂族基; 或-NHSO 2 R 4,其中R 4是1至6个碳原子的烷基,其包括使3-X取代的-4,5-二氟三氟甲苯与3,4-W,Z-取代的苯酚的盐反应。 本发明还包括用于该方法的新型3-X-4,5-二氟三氟甲苯。
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