Method for producing o-chloromethyl benzoic acid chlorides
    44.
    发明授权
    Method for producing o-chloromethyl benzoic acid chlorides 失效
    邻氯甲基苯甲酸氯化物的生产方法

    公开(公告)号:US07034181B1

    公开(公告)日:2006-04-25

    申请号:US10130821

    申请日:2000-11-27

    IPC分类号: C07C51/58

    CPC分类号: C07C51/60 C07C63/10

    摘要: The invention relates to a method for producing o-chloromethyl benzoic acid chlorides of formula (I), in which R1 to R4 can be the same or different and represent hydrogen C1–C4 alkyl, halogen or trifluoromethyl, by reaction benzo condensed lactones of formula (II), in which R1 to R4 have the above-mentioned meaning, with thionyl chloride. The inventive method is characterized in that the reaction is carried out in the presence of catalytic quantities of a Lewis acid and in the presence of catalytic quantities of a phosphine derivative.

    摘要翻译: 本发明涉及一种制备式(I)的邻氯甲基苯甲酰氯的方法,其中R 1至R 4可以相同或不同,表示氢 C 1 -C 4烷基,卤素或三氟甲基,通过反应式(II)的苯并稠合内酯,其中R 1至R 4, SUP> 4 具有上述含义,与亚硫酰氯。 本发明的方法的特征在于反应在催化量的路易斯酸存在下和在催化量的膦衍生物的存在下进行。

    Method for producing 1-substituted 5-hydroxypyrazoles
    46.
    发明授权
    Method for producing 1-substituted 5-hydroxypyrazoles 失效
    1-取代的5-羟基吡唑的制备方法

    公开(公告)号:US06472538B1

    公开(公告)日:2002-10-29

    申请号:US09830350

    申请日:2001-04-25

    IPC分类号: C07D23120

    CPC分类号: C07C243/30 C07D231/20

    摘要: A process for preparing compounds of the formula I in which R1 is hydrogen, an aliphatic group having 1-8 carbon atoms, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or a cyclic ring system having 3-14 ring atoms, and R2 is hydrogen, an aliphatic group having 1-8 carbon atoms, or R1 and R2 together with the carbon atom to which they are bound form a cyclic or bicyclic ring system having 3-14 ring atoms, comprises the preparation of compounds of the formula II  in which R3 and R4 are readily detachable groups and R1 and R2 are as defined above, as starting materials or intermediates and the cyclization of these under suitable reaction conditions to give compounds of the formula I.

    摘要翻译: 制备式Iin的化合物的方法,其中R 1是氢,具有1-8个碳原子的脂族基团,C 1 -C 6烷氧基羰基,C 1 -C 6烷硫基羰基或具有3-14个环原子的环状体系,R 2是氢 ,具有1-8个碳原子的脂族基团,或R 1和R 2与它们所连接的碳原子一起形成具有3-14个环原子的环状或双环体系,包括制备式II化合物,其中R 3 并且R 4是容易拆分的基团,并且R 1和R 2如上所定义,作为原料或中间体,并在合适的反应条件下环化,得到式I化合物。

    Thiochromanoylpyrazolone derivatives
    47.
    发明授权
    Thiochromanoylpyrazolone derivatives 失效
    硫代色酰基吡唑啉酮衍生物

    公开(公告)号:US06352959B1

    公开(公告)日:2002-03-05

    申请号:US09857053

    申请日:2001-05-31

    IPC分类号: A01N4384

    CPC分类号: C07D409/06 C07D409/14

    摘要: Thiochromanoylpyrazolone derivatives of the formula I where: A is an unsubstituted or substituted, saturated or unsaturated alkyl chain; R1 is cyano, thiocyanato, nitro, OR4, SR5, SOR6, S02R6, ONR6NR7, ON═CR6R8, NR9R10, P(O)R11R12, P(S)R11R12, COR, CO2R6, unsubstituted or substituted phenyl or heterocyclyl; R2 is alkyl, haloalkyl, alkoxy or haloalkoxy; R3 is hydrogen, alkyl or halogen; X is oxygen, sulfur, S═O, S(═O)2, CR13R14, C═O or C═NR15; m is 0, 1 or 2; n is 0, 1, 2, 3 or 4; R16 is substituted pyrazol-4-yl-carbonyl or substituted (4,5-dihydro-5-oxo-pyrazol-4-yl)methylidene; and their agriculturally useful salts; Processes for preparing the thiochromanoylpyrazolone derivatives, compositions comprising them, and the use of these derivatives or of the compositions comprising them for controlling undesirable plants are described.

    摘要翻译: 其中:A为未取代或取代的饱和或不饱和烷基链; R1为氰基,氰硫基,硝基,OR4,SR5,SOR6,SO2R6,ONR6NR7,ON = CR6R8,NR9R10,P(O)R11R12, P(S)R 11 R 12,COR,CO 2 R 6,未取代或取代的苯基或杂环基; R 2是烷基,卤代烷基,烷氧基或卤代烷氧基; R 3是氢,烷基或卤素; X是氧,硫,S = O,S(= O) 2,CR 13 R 14,C = O或C = NR 15; m为0,1或2; n为0,1,2,3或4; R 16为取代的吡唑-4-基 - 羰基或取代的(4,5-二氢 描述了制备硫代色满酰基吡唑啉酮衍生物的方法,包含它们的组合物,以及这些衍生物或包含它们的组合物用于防治不期望的植物的用途。

    Method for the production of isopulegol
    49.
    发明授权
    Method for the production of isopulegol 有权
    异胡酮的生产方法

    公开(公告)号:US07550633B2

    公开(公告)日:2009-06-23

    申请号:US11722395

    申请日:2005-12-17

    IPC分类号: C07C35/08

    摘要: The present invention relates to a process for the preparation of isopulegol of formula (I): comprising the cyclization of citronellal of formula (II): in the presence of a tris(aryloxy)aluminum catalyst, wherein the cyclization is carried out in the presence of I. at least one acid and/or II. at least one compound selected from the group comprising carboxylic anhydrides, aldehydes, ketones and vinyl ethers.

    摘要翻译: 本发明涉及制备式(I)的异胡风醇的方法:包括式(II)的香茅醛环化:在三(芳氧基)铝催化剂存在下,其中环化在存在下进行 至少一种酸和/或II。 至少一种选自羧酸酐,醛,酮和乙烯基醚的化合物。