Process for preparing carbonyl compounds
    3.
    发明授权
    Process for preparing carbonyl compounds 失效
    制备羰基化合物的方法

    公开(公告)号:US4584145A

    公开(公告)日:1986-04-22

    申请号:US746305

    申请日:1985-06-19

    CPC分类号: C07C255/00 C07C253/30

    摘要: There is described a process for preparing carbonyl compounds of formula: ##STR1## by oxidation of compounds of formula: ##STR2## wherein X=--CN, --COOR, Y=--COOR.sub.1, --CN, and R, R.sub.1, like or unlike each other, are inert radicals, by employing oxygen or air as oxidants, at least a catalyst selected from the salts of organic or inorganic acids of Mn, Co, Cu and Fe, from 0 to 60 moles of an alkaline salt of an aliphatic carboxylic acid per gram-atom of catalyst metal, in a polar solvent, at temperatures ranging from 30.degree. C. to 200.degree. C. and maintaining the reaction medium anhydrous.The present invention relates to a process for preparing carbonyl compounds by catalytic oxidation of compounds containing an activated methylene group.

    摘要翻译: 描述了通过以下化合物氧化制备下式的羰基化合物的方法:其中X = -CN,-COOR,Y = -COOR 1,-CN和R 通过使用氧气或空气作为氧化剂,至少一种选自Mn,Co,Cu和Fe的有机或无机酸的盐,至少为0至60摩尔的 在极性溶剂中,在30℃至200℃的温度范围内,每克原子的催化剂金属的脂族羧酸的碱性盐,并保持反应介质无水。 本发明涉及通过催化氧化含活性亚甲基的化合物制备羰基化合物的方法。

    Method of preparing .alpha.-hydroxymethylene nitriles
    4.
    发明授权
    Method of preparing .alpha.-hydroxymethylene nitriles 失效
    制备α-羟基亚甲基腈的方法

    公开(公告)号:US4228097A

    公开(公告)日:1980-10-14

    申请号:US963713

    申请日:1978-11-27

    CPC分类号: C07C255/00 C07D213/57

    摘要: A method for the preparation of a compound of the formula ##STR1## or salt thereof bearing one or more .alpha.-hydroxymethylene groups, wherein the univalent moiety R is hydrogen, a straight chain or branched alkyl group of 1 to 20 carbon atoms, a straight chain or branched moiety of the formula--(CH.sub.2).sub.n --COOR.sup.1, OR.sup.1, CF.sub.3,wherein n is from 0 to 5, a straight chain or branched moiety of the formula ##STR2## wherein each R.sup.1 independently represents an alkyl radical of 1 to 12 carbon atoms, or a univalent phenol moiety and n has the meaning above, a substituted or unsubstituted moiety of the formula ##STR3## wherein R.sup.2 is hydrogen, an alkyl group of 1 to 6 carbon atoms, a --(CH.sub.2).sub.n --COOR.sup.1, chlorine, bromine, --OR.sup.1, CF.sub.3, --(CH.sub.2).sub.n --CN, where n and R.sup.1 have the meanings given above, a ring system of the heterocyclic or isocyclic, monocyclic or polycyclic structure which comprises contacting a nitrile of the formulaR--CH.sub.2 --CN IIwherein R has the meaning given above with carbon monoxide in the presence of an alcoholate and a solvent. Thereafter, the so formed salt can be separated or, if desired, the same can be converted into the free form of the compound Ia or Ib by acidification. Also disclosed are new .alpha.-hydroxymethylene and nitriles as well as their corresponding salts.

    摘要翻译: 一种制备具有一个或多个α-羟基亚甲基的式IMA化合物或其盐的方法,其中一价部分R是氢,1-20个碳原子的直链或支链烷基,直链 式( - )(CH 2)n -COOR 1,OR 1,CF 3,其中n为0至5的直链或支链部分,其中每个R 1独立地表示1至 12个碳原子或一价酚部分,并且n具有上述含义,取代或未取代的式“IMAGE”部分,其中R 2是氢,1至6个碳原子的烷基,a - (CH 2)n -COOR 1 ,氯,溴,-OR1,CF3, - (CH2)n-CN,其中n和R1具有上面给出的含义,杂环或环状,单环或多环结构的环系统包括使式R的腈 -CH 2 -C CN II其中R具有上述给出的含义 醇化物和溶剂。 此后,可以分离如此形成的盐,或者如果需要,可以通过酸化将其转化为游离形式的化合物Ia或Ib。 还公开了新的α-羟基亚甲基和腈以及它们相应的盐。

    Production of carbonyl compounds substituted in .alpha.-position
    5.
    发明授权
    Production of carbonyl compounds substituted in .alpha.-position 失效
    生成在{60-位取代的羰基化合物

    公开(公告)号:US3939184A

    公开(公告)日:1976-02-17

    申请号:US344632

    申请日:1973-03-26

    摘要: Production of carbonyl compounds substituted in the .alpha.-position and having the formula: ##EQU1## wherein R.sup.1 is alkyl, aralkyl, phenyl, toluyl, naphthyl, alkoxy or amino; R.sup.2 is hydrogen ##EQU2## A is hydrogen, alkyl, halo or ##EQU3## R.sup.6 is hydrogen or methyl, and R.sup.11 is alkyl; wherein said compounds are formed by reacting a sulfur ylide having the formula: ##EQU4## wherein Y is the radical ##EQU5## and R.sup.9 and R.sup.10 are alkyl or phenyl, with a solution containing both an electrophilic agent A' that is converted into the radical A and a nucleophilic agent B' that is converted into the radical B. The resulting carbonyl compounds are useful as starting materials for the production of paper, textile, and leather auxiliaries, plant protection agents, alkyd resins, polyesters and polyamides.

    摘要翻译: 制备在α-位取代的具有下式的羰基化合物:其中R1是烷基,芳烷基,苯基,甲苯基,萘基,烷氧基或氨基; R2是氢R6R6O R6R6O || PARALLEL || PARALLEL -CH-CH-CN,-C-R1或-CH-CH-C-OR11; A是氢,烷基,卤素或R6R6 | -CH-CH-CN R6是氢或甲基,R11是烷基; 其中所述化合物通过使具有下列结构式的硫叶立德反应形成:其中Y是基团CH 3 R 9 = S ANGLE或= S ANGLE PARALLEL OCH 3 R 10,R 9和R 10是烷基或苯基,与 含有转化为自由基A的亲电子试剂A'和转化为自由基B的亲核试剂B'的溶液。得到的羰基化合物可用作生产纸,纺织品和皮革助剂的原料 植物保护剂,醇酸树脂,聚酯和聚酰胺。

    Preparation of benzylidene compounds
    7.
    发明授权
    Preparation of benzylidene compounds 失效
    亚苄基化合物的制备

    公开(公告)号:US4633007A

    公开(公告)日:1986-12-30

    申请号:US832503

    申请日:1986-02-21

    申请人: Michael Preiss

    发明人: Michael Preiss

    CPC分类号: C07C201/12

    摘要: A process for the preparation of a benzylidene compound of the formula ##STR1## in which R.sup.1 is hydrogen or one or two substituents independently selected from the group consisting of nitro, cyano, halogen, SO.sub.3 H, alkyl, alkoxy and fluorinated alkyl, each with 1 to 4 C atoms and two or three fluorine substituents, andR.sup.3 is alkyl with 1 to 10 C atoms, which is optionally interrupted by an oxygen in the chain or is optionally substituted by fluorine, chlorine, hydroxyl or a methylbenzylamine group, comprising reacting an acetal of the formula ##STR2## in which R.sup.2 each independently is alkyl with 1 to 6 C atoms, which is optionally substituted by phenyl, or the two radicals R.sup.2 conjointly form an alkylene radical with 1-6 C atoms,with a .beta.-ketocarboxylic acid ester of the formulaCH.sub.3 CO--CH.sub.2 --COOR.sup.3in the presence of an acid at a temperature between about 40.degree. and 120.degree..

    摘要翻译: 制备式“IMAGE”的亚苄基化合物的方法,其中R 1是氢或一个或两个独立地选自硝基,氰基,卤素,SO 3 H,烷基,烷氧基和氟化烷基的取代基,各自具有1 至4个C原子和两个或三个氟取代基,R3是具有1至10个C原子的烷基,其任选被链中的氧中断或任选被氟,氯,羟基或甲基苄胺基取代,包括使 其中R 2各自独立地为具有1至6个C原子的烷基,其任选被苯基取代,或两个基团R 2与1-6个C原子一起形成亚烷基,与β-酮羧酸 在酸存在下,在约40至120℃的温度下,式CH 3 CO-CH 2 -COOR 3的酸酯。

    Condensation of substituted phenylacetonitriles with dicarboxylic
anhydrides
    8.
    发明授权
    Condensation of substituted phenylacetonitriles with dicarboxylic anhydrides 失效
    取代苯乙腈与二羧酸酐缩合

    公开(公告)号:US4470929A

    公开(公告)日:1984-09-11

    申请号:US480733

    申请日:1983-03-31

    申请人: Robert C. Ligon

    发明人: Robert C. Ligon

    IPC分类号: C07C255/56 C07C121/76

    CPC分类号: C07C255/00

    摘要: This invention relates to the stoichiometric condensation of substituted phenylacetonitriles with dibasic carboxylic anhydrides. The resulting cyano-keto-acids are obtained in good yield and can be used to prepare biologically active 2-aryl-1,3-cyclohexanediones without elaborate purification.

    摘要翻译: 本发明涉及取代的苯基丙腈与二元羧酸酐的化学计量缩合。 得到的氰基 - 酮酸以良好的收率获得,可用于制备生物活性2-芳基-1,3-环己二酮而无需精心纯化。

    Preparation of acyl cyanides
    9.
    发明授权
    Preparation of acyl cyanides 失效
    酰基氰的制备

    公开(公告)号:US4455264A

    公开(公告)日:1984-06-19

    申请号:US436094

    申请日:1982-10-22

    CPC分类号: C07C253/16

    摘要: Acyl cyanides of the formula ##STR1## in which R represents an optionally substituted alkyl group having 1 to 8 carbon atoms, an optionally substituted cycloalkyl group having 3 to 12 carbon atoms or an optionally substituted aryl group, or an optionally substituted 5-membered or 6-membered heterocyclic radical which additionally can be fused to a benzene ring,are obtained in high yields by reacting carboxylic acid anhydrides of the formula R--CO--O--CO--R (II) with trimethylsilyl cyanide, (CH.sub.3).sub.3 Si--CN (III), if appropriate in the presence of a catalyst and, if appropriate, in the presence of a diluent, at a temperature between 50.degree. and 250.degree. C. The acyl cyanides can be used as intermediate products, for example, for the preparation of certain herbicidally active compounds of the triazinone series.

    摘要翻译: 其中R表示任选取代的具有1至8个碳原子的烷基,任选取代的具有3至12个碳原子的环烷基或任选取代的芳基,或任选取代的5元或 通过使式R-CO-O-CO-R(II)的羧酸酐与三甲基甲硅烷基氰化物,(CH 3)3 Si-CN(III)反应,可以高收率地获得另外可以与苯环稠合的6元杂环基 (III),如果合适的话,在催化剂的存在下,如果合适的话,在稀释剂的存在下,在50℃和250℃之间的温度下。酰基氰可以用作中间产物,例如用于 制备三嗪酮系列的某些除草活性化合物。