Preparation of ribitylxylidine
    1.
    发明授权
    Preparation of ribitylxylidine 失效
    核苷酸的制备

    公开(公告)号:US4806686A

    公开(公告)日:1989-02-21

    申请号:US042823

    申请日:1987-04-27

    CPC分类号: C07H5/04

    摘要: N-(D)-ribitylxylidine (I) is prepared by reacting (D)-ribose (II) with 3,4-dimethylaniline (III) or 3,4-dimethyl-1-nitrobenzene (IV) in aqueous or aqueous/organic solution or in solution in a water-soluble organic solvent under an elevated hydrogen pressure and in the presence of a hydrogenation catalyst and of a boric acid compound,(a) using the boric acid compound in a catalytic amount of from about 6 to 35 mmol, preferably from 6 to 20 mmol, per mol of ribose,(b) carrying out the reaction under a hydrogen pressure of from 1 to 20, preferably from 2 to 9, bar and(c) carrying out the hydrogenation at from 40.degree. to 80.degree. C. over Raney nickel as hydrogenation catalyst.

    摘要翻译: 通过(D) - 核糖(II)与3,4-二甲基苯胺(III)或3,4-二甲基-1-硝基苯(IV)的水溶液或水/有机物(I)反应制备N-(D) - 二硫代吗啉 溶液或在水溶性有机溶剂中的溶液中,在升高的氢气压力下和在氢化催化剂和硼酸化合物的存在下,(a)使用催化量的约6至35mmol的硼酸化合物 ,优选6至20mmol,每摩尔核糖,(b)在1至20,优选2至9巴的氢气压力下进行反应,和(c)在40℃至40℃进行氢化 80℃,以阮内镍为加氢催化剂。

    2-amino-3,5-di-(halomethyl)-pyrazines and their preparation
    2.
    发明授权
    2-amino-3,5-di-(halomethyl)-pyrazines and their preparation 失效
    2-氨基-3,5-二(卤代甲基) - 吡嗪及其制备方法

    公开(公告)号:US4692527A

    公开(公告)日:1987-09-08

    申请号:US776460

    申请日:1985-09-16

    IPC分类号: C07D241/20 C07D403/04

    摘要: 2-Amino-3,5-di-(halomethyl)-pyrazines of the general formula I ##STR1## where X is either chlorine or bromine, m and n may each be 0, 1, 2 or 3 and R.sup.1 and R.sup.2 are each hydrogen or a protective group or may furthermore be bonded to one another, in particular those compounds of the formula I in which m is 1 and n is 2 and/or R.sup.1 and R.sup.2 together form a phthaloyl radical, are useful intermediates for the pteridine building block of folic acid or folic acid analogs.They are obtained by a method in which a 2-amino-3,5-dimethylpyrazine of the general formula II ##STR2## is treated with a chlorinating or brominating agent and, where R.sup.1 and/or R.sup.2 are protective groups, these are, if desired, eliminated when the chlorination or bromination is complete.

    摘要翻译: 其中X是氯或溴,m和n的通式I(I)的2-氨基-3,5-二(卤代甲基) - 吡嗪可以各自为0,1,2或3,R1和 R2各自为氢或保护基,或者还可以彼此键合,特别是其中m为1且n为2的式I化合物和/或R 1和R 2一起形成邻苯二甲酰基的有用的中间体 叶酸或叶酸类似物的蝶啶结构单元。 它们是通过一种方法获得的,其中通式II的2-氨基-3,5-二甲基吡嗪用氯化或溴化剂处理,其中R 1和/或R 2是保护基,这些 如果需要,当氯化或溴化完成时,它们被消除。

    Preparation of 2-amino-3-cyano-5-dialkoxymethylpyrazines and
intermediates for this method
    3.
    发明授权
    Preparation of 2-amino-3-cyano-5-dialkoxymethylpyrazines and intermediates for this method 失效
    2-氨基-3-氰基-5-二烷氧基甲基吡嗪的制备及其制备方法

    公开(公告)号:US4725689A

    公开(公告)日:1988-02-16

    申请号:US776462

    申请日:1985-09-16

    摘要: 2-Amino-3-cyano-5-dialkoxymethylpyrazine derivatives of the general formula III ##STR1## where R.sup.1 and R.sup.2 are each hydrogen or a protective group usually employed for amino groups and R.sup.5 and R.sup.6 are each alkyl of 1 to 4 carbon atoms, or together form an ethylene or propylene radical which is unsubstituted or substituted by methyl, are prepared starting from a novel 3-halomethyl-5-dihalomethyl-2-aminopyrazine derivative of the formula IV ##STR2## where X is Cl or Br, via a novel intermediate of the general formula I ##STR3## where R.sup.3 is --CH.sub.2 --O--CO--CH.sub.3 (a), --CH.sub.2 OH (b), ##STR4## or --C.tbd.N (d) and R.sup.4 is --CHCl.sub.2 or --CHBr.sub.2 or, where R.sup.1 and R.sup.2 are each a protective group, R.sup.4 may furthermore be ##STR5##The compounds according to the invention are useful intermediates for the preparation of folic acid and active compounds derived from this.

    摘要翻译: 通式III(III)的2-氨基-3-氰基-5-二烷氧基甲基吡嗪衍生物其中R 1和R 2各自为氢或通常用于氨基的保护基,R 5和R 6各自为1-4的烷基 碳原子,或一起形成未被取代或被甲基取代的乙烯或丙烯基团,由式IV(IV)的新型3-卤代甲基-5-二卤代甲基-2-氨基吡嗪衍生物制备,其中X为 Cl或Br通过通式I的新型中间体(I),其中R 3是-CH 2 -O-CO-CH 3(a),-CH 2 OH(b),(c)或-C 3 N(d)和R4是-CHCl 2或-CHBr 2,或者其中R 1和R 2各自是保护基,R 4还可以是本发明的化合物是用于制备叶酸和活性化合物的有用中间体 由此。

    Preparation of dihydro-4,4-dimethylfuran-2,3-dione
    4.
    发明授权
    Preparation of dihydro-4,4-dimethylfuran-2,3-dione 失效
    二氢-4,4-二甲基呋喃-2,3-二酮的制备

    公开(公告)号:US4503238A

    公开(公告)日:1985-03-05

    申请号:US552389

    申请日:1983-11-16

    IPC分类号: C07D307/33 C07D307/60

    CPC分类号: C07D307/60

    摘要: Dihydro-4,4-dimethylfuran-2,3-dione is prepared by oxidation of racemic dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone by a process in which the oxidation is carried out by gradually adding powdered calcium oxide to a solution of racemic dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanone and chlorine in the inert organic solvent.

    摘要翻译: 通过外消旋二氢-3-羟基-4,4-二甲基-2(3H) - 呋喃酮氧化制备二氢-4,4-二甲基呋喃-2,3-二酮,其中氧化通过逐渐加入 将粉末状氧化钙加到外消旋的二氢-3-羟基-4,4-二甲基-2(3H) - 呋喃酮和氯在惰性有机溶剂中的溶液中。

    INSECTICIDAL SHEET-LIKE STRUCTURE FOR PROTECTING HUMANS AND DOMESTIC ANIMALS
    5.
    发明申请
    INSECTICIDAL SHEET-LIKE STRUCTURE FOR PROTECTING HUMANS AND DOMESTIC ANIMALS 审中-公开
    用于保护人体和国内动物的杀虫面板结构

    公开(公告)号:US20120114727A1

    公开(公告)日:2012-05-10

    申请号:US13382711

    申请日:2010-07-05

    IPC分类号: A01N43/36 A01P7/04 A01N25/08

    摘要: A sheet-like structure, in particular a net, finished with an insecticidal mixture comprising a) chlorfenapyr and b) one or more pyrethroids from the group consisting of alpha-cypermethrin (b1), deltamethrin (b2), permethrin (b3) and lambda-cyhalothrin (b4), in an amount of (in each case relative to the sheet-like structure) a) 50 to 150 mg/m2 chlorfenapyr; b1) 50 to 150 mg/m2 alpha-cypermethrin; b2) 15 to 45 mg/m2 deltamethrin; b3) 50 to 750 mg/m2 permethrin; b4) 5 to 30 mg/m2 lambda-cyhalothrin, is suitable for controlling harmful insects in buildings and for protecting humans and domestic animals from such harmful insects and from vector-transmitted diseases which are transmitted by the harmful insects.

    摘要翻译: 具有杀虫混合物的片状结构,特别是一种杀虫混合物,其包含a)chlorfenapyr和b)一种或多种来自由α-氯氰菊酯(b1),溴氰菊酯(b2),氯菊酯(b3)和λ - 氯沙芬(b4),其量(在每种情况下相对于片状结构)a)50至150mg / m 2氯芬太尼; b1)50〜150mg / m2α-氯氰菊酯; b2)15〜45mg / m2溴氰菊酯; b3)50〜750mg / m2氯菊酯; b4)5〜30mg / m2λ-氯氟氰菊酯,适用于防治建筑物中的有害昆虫,并保护人类和家畜免受有害昆虫和由有害昆虫传播的载体传播疾病。

    METHOD FOR COATING GLASS, POLYETHYLENE OR POLYESTER CONTAINERS, AND SUITABLE AQUEOUS FORMULATIONS FOR SAID COATING METHOD
    6.
    发明申请
    METHOD FOR COATING GLASS, POLYETHYLENE OR POLYESTER CONTAINERS, AND SUITABLE AQUEOUS FORMULATIONS FOR SAID COATING METHOD 审中-公开
    用于涂覆玻璃,聚乙烯或聚酯容器的方法,以及用于涂覆方法的适用的水性配方

    公开(公告)号:US20110089075A1

    公开(公告)日:2011-04-21

    申请号:US12992391

    申请日:2009-05-11

    摘要: A method of coating containers made of glass, polyethylene or polyester by treatment with a substantially paraffin-free aqueous formulation comprising (A) at least one acid-functional waxy copolymer selected from (A1) partially oxidized polyethylene waxes having an acid number in the range from 10 to 100 mg KOH/g, determined in accordance with DIN 53402, with (A2) copolymers having a melt flow rate (MFR) in the range from 1 to 50 g/10 min, measured at 160° C. under a load of 325 g in accordance with EN ISO 1133, which in copolymerized form comprise (a) 60% to 88% by weight of ethylene, (b) 12% to 40% by weight of at least one ethylenically unsaturated carboxylic acid, and which are at least partially neutralized with alkali metal or amine, (B) if desired, at least one nonionic or anionic surfactant, (C) if desired, at least one defoamer, (D) if desired, at least one organic amine, (E) if desired, at least one organic solvent.

    摘要翻译: 一种涂覆由玻璃,聚乙烯或聚酯制成的容器的方法,用基本上无石蜡的水性制剂处理,其包含(A)至少一种选自(A1)部分氧化的聚乙烯蜡的酸官能的蜡质共聚物,其酸值在该范围内 根据DIN 53402测定的10至100mg KOH / g,其中(A2)共聚物的熔体流动速率(MFR)在1至50g / 10min的范围内,在160℃下在负载下测量 根据EN ISO 1133,其共聚形式包含(a)60重量%至88重量%的乙烯,(b)12重量%至40重量%的至少一种烯键式不饱和羧酸,其为 至少部分用碱金属或胺中和,(B)如果需要,至少一种非离子或阴离子表面活性剂,(C)如果需要,至少一种消泡剂,(D)如果需要,至少一种有机胺,(E) 如果需要,至少一种有机溶剂。

    Modified Open-Cell Foams and Method for Production Thereof
    9.
    发明申请
    Modified Open-Cell Foams and Method for Production Thereof 审中-公开
    改性开孔泡沫及其制备方法

    公开(公告)号:US20080194706A1

    公开(公告)日:2008-08-14

    申请号:US11720289

    申请日:2005-11-26

    摘要: Modified open-cell foams and method for the production thereofProcess for production of modified open-cell foams, which comprises bringing the following materials into contact (a) open-cell foams with density in the range from 5 to 500 kg/m3 and average pore diameter in the range from 1 μm to 1 mm, and (b) aqueous formulation of at least one compound having at least one hemiaminal or aminal group per molecule, or at least one copolymer comprising at least one copolymerized OH-containing or β-dicarbonyl-containing or epoxy-containing comonomer.

    摘要翻译: 改性开孔泡沫及其制备方法生产改性开孔泡沫的方法,其包括使以下材料接触(a)密度为5至500kg / m 2的开孔泡沫 > 3和平均孔径在1μm至1mm的范围内,和(b)每分子具有至少一个半缩醛基或亚胺基的至少一种化合物的水性制剂,或至少一种共聚物,至少包含 一种共聚的含OH或含二羰基或含环氧基的共聚单体。