Chemical process
    1.
    发明授权
    Chemical process 失效
    化学工艺

    公开(公告)号:US4532356A

    公开(公告)日:1985-07-30

    申请号:US552284

    申请日:1983-11-16

    CPC分类号: C07C49/245 C07C45/68

    摘要: Novel bis(3',5'-mono or dihydrocarbyl-4'-hydroxybenzyl)-1,3-diketones are prepared by reacting a (3',5'-mono or dihydrocarbyl-4'-hydroxybenzyl)-1,3-diketone with an N,N-dihydrocarbyl-2,6-mono or dihydrocarbyl-4-aminomethylphenol and an alkyl halide in the presence of an alkaline earth metal halide. The products are useful as antioxidants.

    摘要翻译: 通过使(3',5'-单或二烃基-4'-羟基苄基)-1,3-二酮反应,制备新的双(3',5'-单或二烃基-4'-羟基苄基)-1,3-二酮 在碱土金属卤化物存在下与N,N-二烃基-2,6-单或二烃基-4-氨基甲基苯酚和烷基卤二酮进行反应。 该产品可用作抗氧化剂。

    Method of preparing
4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)2,6-di-substituted phenols
    2.
    发明授权
    Method of preparing 4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)2,6-di-substituted phenols 失效
    制备4-(α-烃基-α-氰基甲基)2,6-二取代苯酚的方法

    公开(公告)号:US4487722A

    公开(公告)日:1984-12-11

    申请号:US515645

    申请日:1983-07-20

    CPC分类号: C07C255/00

    摘要: 4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)2,6-di-hydrocarbyl-substituted phenols having the formula ##STR1## wherein R.sub.1 and R.sub.2 are the same or different monovalent substituents selected from the group consisting of alkyl, aralkyl and cyclic alkyl radicals and R.sub.3 is selected from hydrogen, hydrocarbyl radicals, substituted hydrocarbyl radicals and hydrocarbyloxy radicals are prepared by reacting an N,N-di-hydrocarbyl-4-(.alpha.-hydrocarbyl-.alpha.-aminomethyl)2,6-di-hydrocarbyl-substituted phenol having the formula ##STR2## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined above and R.sub.4 and R.sub.5 are the same or different and are selected from hydrogen, hydrocarbyl radicals and substituted hydrocarbyl radicals with an alkali metal cyanide or an alkaline earth metal cyanide in a suitable solvent. The 4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)2,6-di-substituted phenol thus formed can readily be converted to the corresponding 4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)phenol by dealkylating the substituent groups ortho to the hydroxyl group from the 4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)2,6-di-substituted phenol which then can be converted on hydrolysis to the corresponding .alpha.-hydrocarbyl-4-hydroxyphenylacetic acid. These acids have utility as insecticidal and acaricidal intermediates and are deemed to have utility as insecticides themselves as are the 4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)2,6-di-substituted phenols of the present invention.

    摘要翻译: 具有式“IMAGE”的4-(α-烃基-α-氰基甲基)2,6-二烃基取代的酚,其中R1和R2是相同或不同的选自烷基,芳烷基和环烷基的一价取代基 基团和R 3选自氢,烃基,取代的烃基和烃氧基是通过使N,N-二烃基-4-(α-烃基-α-氨基甲基)2,6-二烃基取代的 具有式的酚,其中R 1,R 2和R 3如上所定义,R 4和R 5相同或不同,并且选自氢,烃基和取代的烃基与碱金属氰化物或碱土金属氰化物 合适的溶剂。 由此形成的4-(α-烃基-α-氰基甲基)2,6-二取代的苯酚可以容易地通过使羟基邻位的取代基脱烷基化而转化成相应的4-(α-烃基-α-氰基甲基)苯酚 来自4-(α-烃基-α-氰基甲基)2,6-二取代的苯酚,然后水解转化成相应的α-烃基-4-羟基苯基乙酸。 这些酸作为杀虫剂和杀螨剂的中间体具有实用性,并被认为具有本发明的4-(α-烃基-α-氰基甲基)2,6-二取代的酚本身作为杀虫剂的作用。

    Preparation of
4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)-2,6-di-substituted phenols
    3.
    发明授权
    Preparation of 4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)-2,6-di-substituted phenols 失效
    制备4-(α-烃基-α-氰基甲基)-2,6-二取代的酚

    公开(公告)号:US4485051A

    公开(公告)日:1984-11-27

    申请号:US515660

    申请日:1983-07-20

    CPC分类号: C07C255/00 C07C51/08

    摘要: 4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)2,6-di-substituted phenols having the formula ##STR1## wherein R.sub.1 and R.sub.2 are the same or different monovalent substituents selected from the group consisting of alkyl, aralkyl and cyclic alkyl radicals and R.sub.3 is selected from hydrogen, hydrocarbyl radicals, substituted hydrocarbyl radicals and hydrocarbyloxy radicals are prepared by reacting a 4-(.alpha.-hydrocarbyl-.alpha.-hydrocarbyloxymethyl)2,6-di-substituted phenol having the formula ##STR2## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined above and R.sub.4 is selected from hydrocarbyl radicals or substituted hydrocarbyl radicals with an alkali metal cyanide or an alkaline earth metal cyanide in a suitable solvent. The 4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)2,6-di-substituted phenol thus formed can readily be converted to the corresponding 4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)phenol by dealkylating the substituent groups ortho to the hydroxyl group from the 4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)2,6-di-substituted phenol which then can be converted on hydrolysis to the corresponding .alpha.-hydrocarbyl-4-hydroxyphenylacetic acid. These acids have utility as insecticidal and acaricidal intermediates and are deemed to have utility as insecticides themselves as are the 4-(.alpha.-hydrocarbyl-.alpha.-cyanomethyl)2,6-di-substituted phenols of the present invention.

    摘要翻译: 具有式“IMAGE”的4-(α-烃基-α-氰基甲基)2,6-二取代的酚,其中R1和R2是相同或不同的选自烷基,芳烷基和环烷基的一价取代基, R3选自氢,烃基,取代的烃基和烃氧基是通过使具有式(IMAGE)的4-(α-烃基-α-氢氧代甲基)2,6-二取代苯酚与式 R3如上所定义,R 4选自烃基或取代的烃基与碱金属氰化物或碱土金属氰化物在合适的溶剂中。 由此形成的4-(α-烃基-α-氰基甲基)2,6-二取代的苯酚可以容易地通过使羟基邻位的取代基脱烷基化而转化成相应的4-(α-烃基-α-氰基甲基)苯酚 来自4-(α-烃基-α-氰基甲基)2,6-二取代的苯酚,然后水解转化成相应的α-烃基-4-羟基苯基乙酸。 这些酸作为杀虫剂和杀螨剂的中间体具有实用性,并被认为具有本发明的4-(α-烃基-α-氰基甲基)2,6-二取代的酚本身作为杀虫剂的作用。

    Process for the preparation of 3,5-dihydrocarbyl-4-hydroxybenzylmalonic
acid esters
    5.
    发明授权
    Process for the preparation of 3,5-dihydrocarbyl-4-hydroxybenzylmalonic acid esters 失效
    3,5-二烃基-4-羟基苄基丙二酸酯的制备方法

    公开(公告)号:US4463187A

    公开(公告)日:1984-07-31

    申请号:US418576

    申请日:1982-09-15

    IPC分类号: C07C67/03

    CPC分类号: C07C67/03

    摘要: Esters of 3,5-dihydrocarbyl-4-hydroxybenzylmalonic acid are prepared by reacting a 2,6-dihydrocarbyl-4-halomethylphenol with an ester of a 1,3-dicarboxylic acid in the presence of an alkali or an alkaline earth metal hydride. The products are useful as antioxidants.

    摘要翻译: 3,5-二烃基-4-羟基苄基丙二酸的酯通过2,6-二烃基-4-卤代甲基苯酚与1,3-二羧酸的酯在碱金属或碱土金属氢化物的存在下反应来制备。 该产品可用作抗氧化剂。

    Process for the preparation of 3,5-dihydrocarbyl-4-hydroxybenzylmalonic
acid esters
    6.
    发明授权
    Process for the preparation of 3,5-dihydrocarbyl-4-hydroxybenzylmalonic acid esters 失效
    3,5-二烃基-4-羟基苄基丙二酸酯的制备方法

    公开(公告)号:US4463186A

    公开(公告)日:1984-07-31

    申请号:US418577

    申请日:1982-09-15

    IPC分类号: C08K5/134

    CPC分类号: C08K5/1345

    摘要: Esters of 3,5-dihydrocarbyl-4-hydroxybenzylmalonic acid are prepared by reacting a 2,6-dihydrocarbyl-4-hydroxymethylphenol with an ester of a 1,3-dicarboxylic acid in the presence of an alkali or an alkaline earth metal hydride. The products are useful as antioxidants.

    摘要翻译: 3,5-二烃基-4-羟基苄基丙二酸的酯通过2,6-二烃基-4-羟基甲基苯酚与1,3-二羧酸的酯在碱金属或碱土金属氢化物的存在下反应来制备。 该产品可用作抗氧化剂。