Process for producing furylpropargylcarbinol and a derivative thereof
    2.
    发明授权
    Process for producing furylpropargylcarbinol and a derivative thereof 失效
    呋喃基炔丙醇及其衍生物的制备方法

    公开(公告)号:US5189186A

    公开(公告)日:1993-02-23

    申请号:US628101

    申请日:1990-12-17

    IPC分类号: C07D307/42

    CPC分类号: C07D307/42

    摘要: A process for producing furylpropargylcarbinol or a derivative thereof represented by the formula (I): ##STR1## wherein R.sup.1 represents hydrogen or methyl, wherein comprises subjecting a haloallylfurylcarbinol or a derivative thereof represented by the formula (II): ##STR2## wherein R.sup.1 represents hydrogen or methyl and R.sup.2 represents chlorine, bromine or iodine, to a dehydrohalogenation reaction with a base in a reaction solvent. Furylpropargylcarbinol and a derivative thereof produced according to the process of the present invention are very important as intermediates of agricultural chemicals, perfumes and medicines, and particularly applicable to intermediates of prallethrin.

    摘要翻译: 一种由式(I)表示的呋喃基炔丙醇或其衍生物的制备方法:其中R 1表示氢或甲基,其中包括使由式(II)表示的卤代烯丙基甲醇或其衍生物: (II)其中R1表示氢或甲基,R2表示氯,溴或碘,与反应溶剂中的碱进行脱卤化氢反应。 根据本发明方法生产的呋喃基炔丙醇及其衍生物作为农药,香料和药物的中间体是非常重要的,特别适用于丙醚菊酯的中间体。

    Production method of substituted benzenes
    7.
    发明授权
    Production method of substituted benzenes 有权
    取代苯的制备方法

    公开(公告)号:US06787665B2

    公开(公告)日:2004-09-07

    申请号:US10337533

    申请日:2003-01-07

    IPC分类号: C07C6702

    摘要: An ester compound of formula (1) can be produced by making a compound given by formula (2): react with an alkali metal salt of acetic acid in the presence of an aromatic hydrocarbon, and the obtained ester compound of formula (1) react with an alkali metal hydroxide and water to give a 3-phenoxypropanol compound of formula (3):

    摘要翻译: 式(1)的酯化合物可以通过使由式(2)给出的化合物在芳族烃存在下与乙酸的碱金属盐反应,并且所得的式(1)的酯化合物反应 与碱金属氢氧化物和水反应,得到式(3)的3-苯氧基丙醇化合物:

    Production method of a 2,6-dichlorophenol compound
    8.
    发明授权
    Production method of a 2,6-dichlorophenol compound 有权
    2,6-二氯苯酚化合物的制备方法

    公开(公告)号:US06635787B2

    公开(公告)日:2003-10-21

    申请号:US10322318

    申请日:2002-12-17

    IPC分类号: C07C4122

    CPC分类号: C07C41/22 C07C43/23

    摘要: A 2,6-dichlorophenol compound of formula (1): wherein R represents a 3,3-dihalo-2-propenyl group or a benzyl group optionally substituted by halogen atom(s), can be produced by making a phenol compound of formula (2): wherein R has the same meaning mentioned above, react with sulfuryl chloride in the presence of a secondary amine in high yield. The obtained 2,6-dichlorophenol compound of formula (1) is useful as intermediate for producing dihalopropene compounds having insecticidal/acaricidal activity.

    摘要翻译: 式(1)的2,6-二氯苯酚化合物:其中R表示3,3-二卤代-2-丙烯基或任选被卤素原子取代的苄基,可以通过制备式 (2):其中R具有与上述相同的含义,在仲胺的存在下以高产率与磺酰氯反应。 得到的式(1)的2,6-二氯苯酚化合物可用作制备具有杀虫/杀螨活性的二卤丙烯化合物的中间体。

    Process for producing furylpropargylcarbinol and derivative thereof
    9.
    发明授权
    Process for producing furylpropargylcarbinol and derivative thereof 失效
    呋喃基炔丙醇及其衍生物的制备方法

    公开(公告)号:US5239092A

    公开(公告)日:1993-08-24

    申请号:US974506

    申请日:1992-11-12

    IPC分类号: C07D307/42

    CPC分类号: C07D307/42

    摘要: A process for producing furylpropargylcarbinol or a derivative thereof represented by the formula (I): ##STR1## wherein R.sup.1 represents hydrogen or methyl, wherein comprises subjecting a haloallylfurylcarbinol or a derivative thereof represented by the formula (II): ##STR2## wherein R.sup.1 represents a hydrogen or methyl and R.sup.2 represents chlorine, bromine or iodine, to a dehydrohalogenation reaction with a base in a reaction solvent. Furylpropargylcarbinol and a derivative thereof produced according to the process of the present invention are very important as intermediates of agricultural chemicals, perfumes and medicines, and particularly applicable to intermediates of prallethrin.

    摘要翻译: 一种由式(I)表示的呋喃基炔丙醇或其衍生物的制备方法:其中R 1表示氢或甲基,其中包括使由式(II)表示的卤代烯丙基甲醇或其衍生物: (II)其中R1表示氢或甲基,R2表示氯,溴或碘,与反应溶剂中的碱进行脱卤化氢反应。 根据本发明方法生产的呋喃基炔丙醇及其衍生物作为农药,香料和药物的中间体是非常重要的,特别适用于丙醚菊酯的中间体。