Process for preparing alkylsilanes having bulky alkyl radicals
    1.
    发明授权
    Process for preparing alkylsilanes having bulky alkyl radicals 失效
    制备具有大体积烷基的烷基硅烷的方法

    公开(公告)号:US5663400A

    公开(公告)日:1997-09-02

    申请号:US611737

    申请日:1996-03-06

    CPC分类号: C07F7/14

    摘要: Di- and trialkylsilanes of the formulaR.sub.a R.sup.1 R.sup.2.sub.b SiX.sub.c (I),which comprises reacting mono- and dialkylsilanes of the formulaR.sup.1 R.sup.2.sub.b SiH.sub.a X.sub.c (II),with alkenes A having at least 4 carbon atoms, which alkenes are unsubstituted or substituted by fluorine, chlorine or bromine atoms or cyano groups, in the presence of a transition metal catalyst and a hydrocarbon as activator, which hydrocarbon has at least one functional group selected from among aldehyde, keto and epoxy groups or halogen atoms, where in the above formulae (I) and (II),R is a branched or cyclic hydrocarbon radical having at least 4 carbon atoms, which radical is unsubstituted or substituted by fluorine, chlorine or bromine atoms or cyano groups,R.sup.1 is an alkyl radical having at least 2 carbon atoms, which radical is unsubstituted or substituted by fluorine, chlorine or bromine atoms or cyano groups,R.sup.2 is a hydrocarbon radical having at least 2 carbon atoms, which radical is unsubstituted or substituted by fluorine, chlorine, or bromine atoms or cyano groups,X is a fluorine, chlorine or bromine atom or an alkoxy radical having from 1 to 18 carbon atoms, which radical is unsubstituted or substituted by fluorine, chlorine or bromine atoms or cyano groups,a is 1 or 2,b is 0 or 1 andc is 1 or 2.

    摘要翻译: 包括式R 1 R 1 R 2 b Si X c(I)的二 - 和三烷基硅烷,其包括使式R 1 R 2 b SiHa X c(II)的单烷氧基硅烷和二烷基硅烷与具有至少4个碳原子的烯烃A反应,该烯烃是未取代的或被氟,氯或溴原子或氰基 在过渡金属催化剂和烃作为活化剂的存在下,该烃具有至少一个选自醛,酮和环氧基或卤素原子的官能团,其中在上式(I)和(II)中, R是具有至少4个碳原子的支链或环状烃基,该基团是未取代的或被氟,氯或溴原子或氰基取代,R 1是具有至少2个碳原子的烷基,该基团是未取代或取代的 通过氟,氯或溴原子或氰基,R 2是具有至少2个碳原子的烃基,该基团是未取代的或被氟,氯或溴取代 原子或氰基,X是氟,氯或溴原子或具有1至18个碳原子的烷氧基,该基团是未取代的或被氟,氯或溴原子或氰基取代的基团,a是1或2, b为0或1,c为1或2。

    Process for the preparation of 4-halomethylbenzaldehyde
    2.
    发明授权
    Process for the preparation of 4-halomethylbenzaldehyde 失效
    4-卤代甲基苯甲醛的制备方法

    公开(公告)号:US4733012A

    公开(公告)日:1988-03-22

    申请号:US26834

    申请日:1987-03-17

    CPC分类号: C07C45/63 C07C47/55

    摘要: A process for the preparation of 4-chloromethylbenzaldehyde, 4-bromomethylbenzaldehyde and 4-iodomethylbenzaldehyde is disclosed. The desired 4-halomethylbenzaldehyde is prepared by reacting 4-hydroxymethylbenzaldehyde with the appropriate gaseous hydrogen halide and/or with the appropriate aqueous hydrohalic acid. The 4-halomethylbenzaldehydes produced by the disclosed process are useful as raw materials for pharmaceuticals and serve as starting materials for the preparation of conductive organic compounds.

    摘要翻译: 公开了制备4-氯甲基苯甲醛,4-溴甲基苯甲醛和4-碘甲基苯甲醛的方法。 所需的4-卤代甲基苯甲醛是通过使4-羟甲基苯甲醛与合适的气态卤化氢和/或与合适的氢卤酸水溶液反应来制备的。 通过公开的方法生产的4-卤代甲基苯甲醛可用作药物的原料,并且用作制备导电有机化合物的起始材料。

    Process for the production of substituted furans
    3.
    发明授权
    Process for the production of substituted furans 失效
    生产取代呋喃的方法

    公开(公告)号:US4215057A

    公开(公告)日:1980-07-29

    申请号:US963645

    申请日:1978-11-24

    IPC分类号: C07D307/46 C07D307/68

    CPC分类号: C07D307/46 C07D307/68

    摘要: A process for the production of substituted furans of the general formula ##STR1## wherein R is a member of the group consisting of alkoxy radicals having from 1-6 C-atoms, a substituted aryloxy radical, an unsubstituted aryloxy radical and an alkyl radical, R.sub.1 is a alkyl or aryl radical with 1-6 C-atoms, preferably methyl, R.sub.2 and/or R.sub.3 is an alkyl radical with 1-6 C-atoms or hydrogen by reacting a .beta.-dicarbonyl compound with an .alpha.-chlorocarbonyl compound in the presence of a compound capable of combining with the hydrochloric acid formed, at temperatures between 30.degree. and 100.degree. C., the reaction being carried out at pH values between 2 and 7, preferably between 3.5 and 6, with the addition of equimolar amounts of an alkaline earth carbonate.

    摘要翻译: 制备通式为“IMAGE”的取代呋喃的方法,其中R为具有1-6个碳原子的烷氧基,取代芳氧基,未取代的芳氧基和烷基, R1是具有1-6个C原子的烷基或芳基,优选甲基,R2和/或R3是具有1-6个碳原子的烷基或氢,通过使β-二羰基化合物与α-氯羰基化合物反应 在30〜100℃的温度下,能够与形成的盐酸结合的化合物的存在,反应在2〜7之间,优选3.5〜6的pH值下进行,加入等摩尔量 的碱土金属碳酸盐。

    Basic polypyrrylenemethines and salts thereof, and a process for their
preparation
    4.
    发明授权
    Basic polypyrrylenemethines and salts thereof, and a process for their preparation 失效
    碱性聚吡咯烯胺及其盐,及其制备方法

    公开(公告)号:US5004560A

    公开(公告)日:1991-04-02

    申请号:US169474

    申请日:1988-03-17

    CPC分类号: H01B1/127 C08G61/124

    摘要: Basic polypyrrylenemethines, and salts thereof, having conjugated double bonds and constructed from optionally substituted five-membered heterocyclic rings containing nitrogen, as the only hetero atom in the ring are disclosed, with the five-membered rings, in each case, being bonded to one another in pairs via an optionally substituted carbon atom as a bridging member. The polymer compositions of the invention contain at least five of these five-membered rings and 0 to 50%, relative to the weight of these polymers, of dopants and/or being electrochemically doped. A process for the preparation of the claimed compositions is further disclosed. The polymer compositions of the invention have electroconducting and semi-conducting properties and are useful, for example, in batteries, circuits and switches, if appropriately used in conjunction with other polymers. In addition, the compounds of the invention can also be employed as absorbents for heavy metals and as catalysts.

    摘要翻译: 公开了具有共轭双键并由含有氮的任选取代的五元杂环构成的具有环的唯一杂原子的碱性聚吡咯烯胺及其盐,其中五元环在每种情况下都被结合到一个 另一个成对通过任选取代的碳原子作为桥连构件。 本发明的聚合物组合物包含这些五元环中的至少五个和相对于这些聚合物的重量为0至50%的掺杂剂和/或电化学掺杂。 进一步公开了所要求保护的组合物的制备方法。 本发明的聚合物组合物具有导电和半导电性质,并且例如在电池,电路和开关中有用,如果适当地与其它聚合物一起使用。 此外,本发明的化合物也可用作重金属和催化剂的吸收剂。

    Polymers with conjugated double bonds
    5.
    发明授权
    Polymers with conjugated double bonds 失效
    具有共轭双键的聚合物

    公开(公告)号:US4729851A

    公开(公告)日:1988-03-08

    申请号:US898932

    申请日:1986-08-21

    摘要: Polymers with conjugated double bonds having heterocyclic and/or carbocyclic rings or ring systems in which said rings or ring systems are linked with one another in pairs via a carbon atom as a bridge member. Polymers of the invention have, at least five of said ring or ring-systems. The polymers may be prepared by reacting at least one compound of the formula ##STR1## with at least one compound of the formulaH--R" --H (II)in whichX represents fluorine, chlorine, bromine, iodine, hydroxyl, sulfate radicals or radicals of the formula --OR, --SO.sub.3 F, --SO.sub.3 R or --NR.sub.2 ;X.sub.2 represents two radicals X, or an oxygen atom of a carbonyl group;R represents the same or different alkyl radicals having from 1 to 8 carbon atoms, phenyl and a hydrogen atom; andR" represents the same or different monocyclic or polycyclic (hetero) arylene radicals optionally substituted by hydrocarbon radicals having 1 to 8 carbon atoms.

    摘要翻译: 具有杂环和/或碳环或环系的共轭双键的聚合物,其中所述环或环体系通过作为桥连构件的碳原子彼此成对连接。 本发明的聚合物具有至少五个所述环或环系统。 聚合物可以通过使式(I)的至少一种化合物与至少一种式H-R“-H(II)的化合物反应来制备,其中X表示氟,氯,溴,碘, 羟基,硫酸根或式-OR,-SO 3 F,-SO 3 R或-NR 2的基团; X2表示两个基团X或羰基的氧原子; R表示相同或不同的具有1至8个碳原子的烷基,苯基和氢原子; 并且R“表示任选被具有1至8个碳原子的烃基取代的相同或不同的单环或多环(杂)亚芳基。

    Process for the manufacture of a furancarboxylic acid anilide
    6.
    发明授权
    Process for the manufacture of a furancarboxylic acid anilide 失效
    呋喃半酰苯胺的制备方法

    公开(公告)号:US4187237A

    公开(公告)日:1980-02-05

    申请号:US480

    申请日:1979-01-02

    IPC分类号: C07D307/68

    CPC分类号: C07D307/68

    摘要: A process for the manufacture of furancarboxylic acid anilides of the general formula ##STR1## in which R.sub.1 represents an aryl group or an alkyl group, R.sub.2 and R.sub.3 each represent an alkyl group or hydrogen, by a ring-closure reaction of a .beta.-ketoester with an .alpha.-haloaldehyde or .alpha.-haloketone, in the presence of a stoichiometric amount of a halide-binding substance to form a furancarboxylic acid ester, and by subsequent anilidation, the reaction being performed in two stages, the ring-closure reaction being carried out in the presence of a mixture of alkaline earth metal carbonates and pyridine in a ratio of from 1000 to 5:1 Val, based on the hydrohalic acid liberated, at temperatures between 50.degree. and 100.degree. C.; and after separation in said second stage, the furancarboxylic ester is reacted while stirring with aniline in up to 20 times molecular excess, in the presence of equimolar amounts based on the furancarboxylic acid, of magnesium dianilide and/or aluminum trianilide in liquid phase or in suspension at temperatures between 20.degree. and 180.degree. C., under normal pressure. The furancarboxylic acid anilides have an outstanding pesticidal action.

    摘要翻译: 制备通式为“IMAGE”的呋喃羧酸苯胺的方法,其中R 1表示芳基或烷基,R 2和R 3各自表示烷基或氢,通过β-酮酯的闭环反应 与α-卤代醛或α-卤代酮在化学计量量的卤化物结合物质的存在下形成呋喃羧酸酯,然后通过随后的苯胺化反应进行两个阶段,进行闭环反应 在碱性金属碳酸盐和吡啶的混合物存在下,在50至100℃的温度下,以释放的氢卤酸计,其比例为1000-5:1 Val。 并且在所述第二阶段中分离后,呋喃羧酸酯在搅拌下与苯胺反应达到20倍分子量过量,在等摩尔量的呋喃羧酸存在下,二苯胺和/或三苯胺三苯胺在液相中或在 在常压下在20℃至180℃的温度下悬浮。 呋喃羧酸苯胺具有突出的杀虫作用。