Preparation of 2-alkyl-3-(4,5-dihydroisoxazol-3-yl) halobenzenes
    71.
    发明授权
    Preparation of 2-alkyl-3-(4,5-dihydroisoxazol-3-yl) halobenzenes 有权
    2-烷基-3-(4,5-二氢异恶唑-3-基)卤代苯的制备

    公开(公告)号:US06603017B2

    公开(公告)日:2003-08-05

    申请号:US10141236

    申请日:2002-05-09

    IPC分类号: C07D26118

    CPC分类号: C07D261/04

    摘要: A novel process for preparing the compounds of the formula I where: n is 0, 1 or 2; R1, R2 are C1-C6-alkyl; R3, R4, R5 are hydrogen or C1-C6-alkyl, or R4 and R5 together form a bond; R6 is Cl, Br, which comprises a synthesis sequence starting from 1,2-dialkylbenzenes of the formula II with subsequent halogenation to give 3,6-dihalo-1,2-dialkylbenzenes, haloalkylation to give benzyl bromides, oxidation to give benzaldehydes, oximation, reaction with alkenes to give isoxazoles, conversion into thioethers and, if appropriate, oxidation to give sulfenyl or sulfonyl derivatives of the formula I.

    摘要翻译: 一种制备式I化合物的新方法,其中n为0,1或2; R 1,R 2为C 1 -C 6 - 烷基; R 3,R 4,R 5为氢或C 1 -C 6烷基,或者R 4和R 5一起形成 R 6是Cl,Br,其包含从式II的1,2-二烷基苯开始的合成序列,随后卤化以得到3,6-二卤代-1,2-二烷基苯,卤代烷基化得到苄基溴,氧化得到 苯甲醛,肟化,与烯烃的反应得到异恶唑,转化成硫醚,如果合适,氧化得到式I的磺酰基或磺酰基衍生物。

    Benzene derivatives having a heterocyclic radical
    72.
    发明授权
    Benzene derivatives having a heterocyclic radical 失效
    具有杂环基团的苯衍生物

    公开(公告)号:US5886187A

    公开(公告)日:1999-03-23

    申请号:US983325

    申请日:1998-01-26

    CPC分类号: C07D271/06 C09B62/503

    摘要: Benzene derivatives of the formula ##STR1## wheren is 0, 1 or 2,x is nitro or amino,Z is a direct bond or unsubstituted or substituted C.sub.1 -C.sub.6 -alkylene,Y is vinyl or a radical of the formula C.sub.2 H.sub.4 --Q, where Q is hydroxyl or a group which can be removed under alkaline reaction conditions,R.sup.1 and R.sup.2 are hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen, nitro, amino, hydroxysulfonyl or a radical of the formula Z--S(O).sub.n --Y, where n, Z and Y have the abovementioned meanings, andHet is the radical of a heterocyclic ring, are described.

    摘要翻译: PCT No.PCT / EP96 / 03224 371日期1998年1月26日 102(e)1998年1月26日PCT PCT 1996年7月22日PCT公布。 公开号WO97 / 05124 日期:1997年2月13日具有式(I)的式(I)的苯衍生物,其中n是0,1或2,x是硝基或氨基,Z是直接键或未取代或取代的C 1 -C 6亚烷基,Y是乙烯基或 式C2H4-Q的基团,其中Q是羟基或可在碱性反应条件下除去的基团,R 1和R 2是氢,C 1 -C 4 - 烷基,C 1 -C 4 - 烷氧基,卤素,硝基,氨基,羟基磺酰基或 描述了式ZS(O)nY的基团,其中n,Z和Y具有上述含义,Het是杂环的基团。

    Preparation of 8-bromomethyl-3-methylquinoline compounds
    76.
    发明授权
    Preparation of 8-bromomethyl-3-methylquinoline compounds 失效
    8-溴甲基-3-甲基喹啉化合物的制备

    公开(公告)号:US4845226A

    公开(公告)日:1989-07-04

    申请号:US146691

    申请日:1988-01-21

    CPC分类号: C07D215/48 C07D215/18

    摘要: A process for the preparation of 8-bromomethyl-3-methylquinoline compounds of the formula I ##STR1## where one of both substituents X are chlorine and, where relevant, the other substituent X is hydrogen, by bromination of the corresponding 8-methylquinoline compound in the presence of a 2-phase mixture of a solvent stable to bromination and of, preferably, buffered water.

    摘要翻译: 制备式I的8-溴甲基-3-甲基喹啉化合物的方法,其中两个取代基X中的一个是氯,并且相关的另一取代基X是氢,通过溴化相应的8-甲基喹啉 在稳定于溴化的溶剂和优选缓冲水的2相混合物存在下进行化合物。

    Substituted triazanonanes and process for their preparation
    78.
    发明授权
    Substituted triazanonanes and process for their preparation 失效
    取代三唑烷酮及其制备方法

    公开(公告)号:US4667035A

    公开(公告)日:1987-05-19

    申请号:US668318

    申请日:1984-11-05

    IPC分类号: C07D487/08 C07D209/48

    CPC分类号: C07D487/08

    摘要: The novel compounds of the general formula I ##STR1## where R and R.sup.1 are substituents and the rings A can be substituted and/or can carry fused rings, are useful intermediates for the preparation of, for example, dyes and active ingredients.

    摘要翻译: 其中R和R 1是取代基并且环A可以被取代和/或可以携带稠环的通式I 的新化合物是制备例如染料和活性成分的有用的中间体。