Process for the production of thiazolyl-2-sulphenamides
    3.
    发明授权
    Process for the production of thiazolyl-2-sulphenamides 失效
    制备噻唑-2-磺酰胺的方法

    公开(公告)号:US4670556A

    公开(公告)日:1987-06-02

    申请号:US628261

    申请日:1984-07-06

    CPC分类号: C07D277/78 C07D277/80

    摘要: This invention relates to a process for the production of benzothiazolyl sulphenamides corresponding to the following general formula: ##STR1## in which a corresponding 2-mercaptobenzothiazole or a dibenzothiazolyl-2,2'-disulphide is reacted with a primary or secondary amine at temperatures of from 0 to 100.degree. C. in the presence of ammonia, oxygen, a copper-containing catalyst and a reaction medium containing an excess of the primary or secondary amine or of a mixture of that amine with water and/or a water-miscible organic solvent.Benzothiazolyl sulphenamides are valuable vulcanization accelerators.

    摘要翻译: 本发明涉及一种生产苯并噻唑基苯甲酰胺的方法,其对应于以下通式:其中相应的2-巯基苯并噻唑或二苯并噻唑-2,2'-二硫化物与伯胺或仲胺在 在氨,氧气,含铜催化剂和含有过量的伯胺或仲胺的反应介质或该胺与水和/或水混溶性有机物的混合物存在下,0至100℃ 溶剂。 苯并噻唑磺酰胺是有价值的硫化促进剂。

    Preparation of trans-cyclohexane-1,4-disulphonyl urea
    4.
    发明授权
    Preparation of trans-cyclohexane-1,4-disulphonyl urea 失效
    反式环己烷-1,4-二磺酰脲的制备

    公开(公告)号:US4418211A

    公开(公告)日:1983-11-29

    申请号:US215415

    申请日:1980-12-11

    CPC分类号: C07C273/1845 C07C311/56

    摘要: A process is disclosed for selectively making trans-cyclohexane-1,4-diisocyanate, trans-cyclohexane-1,4-diamine, a trans-cyclohexane-1,4-diurethane, a transcyclohexane-1,4-diurea and trans-cyclohexane-1,4-disulphonyl urea by reacting ammonia with a mixture of cis and trans cyclohexane-1,4-dicarboxylic acid, a lower alkyl ester, a glycol ester, an oligomeric ester or a polyester to make a solid trans-dicarboxylic acid diamide in a first step. The diamide is chlorinated to form trans-cyclohexane-1,4-dicarboxylic acid-bis-N-chloramide. The latter compound is then converted into a(a) trans-cyclohexane-1,4-diamine with an alkali metal hydroxide or alkaline earth metal hydroxide; or into a(b) trans-cyclohexane-1,4-diurethane by reaction with an alcohol or glycol in a reaction mixture containing an alkali metal hydroxide or alkaline earth metal hydroxide; or into(c) a trans-cyclohexane-1,4-diurea by reaction with a primary or secondary amine in a reaction mixture containing an alkali metal hydroxide or alkaline earth metal hydroxide; or into a(d) trans-cyclohexane-1,4-sulphonyl urea by reaction with a primary sulphonamide in a reaction mixture containing an alkali metal hydroxide and dimethyl formamide and water.The diurea prepared in (c) may be converted into trans-cyclohexane-1,4-diisocyanate with gaseous hydrogen chloride in an inert solvent. The diurethane prepared in (b) and the disulphonyl urea prepared in (d) may be thermally decomposed into trans-cyclohexane-1,4-diisocyanate.

    摘要翻译: 公开了一种选择性制备反式环己烷-1,4-二异氰酸酯,反式环己烷-1,4-二胺,反式环己烷-1,4-二氨基甲酸酯,反式环己烷-1,4-二脲和反式环己烷 -1,4-二磺酰脲通过使氨与顺式和反式环己烷-1,4-二羧酸,低级烷基酯,乙二醇酯,低聚酯或聚酯的混合物反应制得固体反式二羧酸二酰胺 在第一步。 将二酰胺氯化以形成反式 - 环己烷-1,4-二羧酸 - 双-N-氯酰胺。 然后将后一种化合物用碱金属氢氧化物或碱土金属氢氧化物转化为(a)反式 - 环己烷-1,4-二胺; 或通过与含有碱金属氢氧化物或碱土金属氢氧化物的反应混合物中的醇或二醇反应,形成(b)反式环己烷-1,4-二氨基甲酸酯; 或者通过与含有碱金属氢氧化物或碱土金属氢氧化物的反应混合物中的伯胺或仲胺反应形成(c)反式环己烷-1,4-二脲; 或通过与含有碱金属氢氧化物和二甲基甲酰胺和水的反应混合物中的伯磺酰胺反应而形成(d)反式 - 环己烷-1,4-磺酰脲。 (c)中制备的二脲可以在惰性溶剂中用气态氯化氢转化成反式 - 环己烷-1,4-二异氰酸酯。 (b)中制备的二氨基甲酸酯和(d)中制备的二磺酰脲可以热分解成反式环己烷-1,4-二异氰酸酯。

    Polyfunctional isocyanates free of alkali and urea groups
    7.
    发明授权
    Polyfunctional isocyanates free of alkali and urea groups 失效
    不含碱和脲基团的多官能异氰酸酯

    公开(公告)号:US4301257A

    公开(公告)日:1981-11-17

    申请号:US129878

    申请日:1980-03-13

    摘要: This invention relates to a polyfunctional isocyanate which is an acrylamide or methacrylamide homopolymer or interpolymer having 20 to 100% of its secondary .alpha. and tertiary .alpha. carbon atom amide groups converted to isocyanate groups, said polyfunctional isocyanate being free of alkali and urea groups.The polyfunctional isocyanates are prepared by reacting the N-chloramide derivative of the acrylamide or methacrylamide polymer, in an inert solvent, with a tertiary amine having a pK.sub.a value of more than 7.The polyfunctional isocyanates are useful for forming coating compositions.

    摘要翻译: 本发明涉及多官能异氰酸酯,其是丙烯酰胺或甲基丙烯酰胺均聚物或互聚物,其具有转化成异氰酸酯基团的二级α-和叔碳原子酰胺基团的20至100%,所述多官能异氰酸酯不含碱和脲基团。 多官能异氰酸酯可以通过使丙烯酰胺或甲基丙烯酰胺聚合物的N-氯酰胺衍生物在惰性溶剂中与pKa值大于7的叔胺反应来制备。多官能异氰酸酯可用于形成涂料组合物。

    Process for the preparation of isocyanate derivatives of aliphatic,
cycloaliphatic, and araliphatic compounds
    8.
    发明授权
    Process for the preparation of isocyanate derivatives of aliphatic, cycloaliphatic, and araliphatic compounds 失效
    制备脂族,脂环族和芳脂族化合物的异氰酸酯衍生物的方法

    公开(公告)号:US4238404A

    公开(公告)日:1980-12-09

    申请号:US040375

    申请日:1979-05-18

    摘要: A process for the preparation of derivatives of aliphatic, cycloaliphatic, and araliphatic compounds containing from 1 to 3 isocyanate groups bonded to from 1 to 3 secondary or tertiary carbon atoms, or a combination thereof, is disclosed. The process comprises reacting a compound of the formula R--(CO--NHCl).sub.n, wherein R represents an aliphatic, cycloaliphatic, or araliphatic radical, with a tertiary amine having a pK.sub.a greater than 7, at a temperature from about 20.degree. to about 180.degree. C., in an inert solvent, to form a compound of the formula R--(N.dbd.C.dbd.O).sub.n, wherein the isocyanate groups are bonded to secondary or tertiary carbon atoms.

    摘要翻译: 公开了制备含有1至3个仲或叔碳原子的1至3个异氰酸酯基的脂族,脂环族和芳脂族化合物的衍生物的方法或其组合。 该方法包括使式R-(CO-NHCl)n的化合物(其中R表示脂族,脂环族或芳脂族基团)与pKa大于7的叔胺在约20°至约 180℃,在惰性溶剂中,形成式R-(N = C = O)n的化合物,其中异氰酸酯基团键合到仲或叔碳原子上。

    Preparation of trans cyclohexane,1,4-diisocyanate and related compounds
    9.
    发明授权
    Preparation of trans cyclohexane,1,4-diisocyanate and related compounds 失效
    制备反式环己烷,1,4-二异氰酸酯及相关化合物

    公开(公告)号:US4457871A

    公开(公告)日:1984-07-03

    申请号:US420185

    申请日:1982-09-20

    CPC分类号: C07C273/1845 C07C311/56

    摘要: A process is disclosed for selectively making trans-cyclohexane-1,4-diisocyanate, trans-cyclohexane-1,4-diamine, a trans-cyclohexane-1,4-diurethane, a trans-cyclohexane-1,4-diurea and trans-cyclohexane-1,4-disulphonyl urea by reacting ammonia with a mixture of cis and trans cyclohexane-1,4-dicarboxylic acid, a lower alkyl ester, a glycol ester, an oligomeric ester or a polyester to make a solid trans-dicarboxylic acid diamide in a first step. The diamide is chlorinated to form trans-cyclohexane-1,4-dicarboxylic acid-bis-N-chloramide. The latter compound is then converted into a(a) trans-cyclohexane-1,4-diamine with an alkali metal hydroxide or alkaline earth metal hydroxide; or into a(b) a trans-cyclohexane-1,4-diurethane by reaction with an alcohol or glycol in a reaction mixture containing an alkali metal hydroxide or alkaline earth metal hydroxide; or into(c) a trans-cyclohexane-1,4-diurea by reaction with a primary or secondary amine in a reaction mixture containing an alkali metal hydroxide or alkaline earth metal hydroxide; or into a(d) trans-cyclohexane-1,4-sulphonyl urea by reaction with a primary sulphonamide in a reaction mixture containing an alkali metal hydroxide and dimethyl formamide and water. The diurea prepared in (c) may be converted into trans-cyclohexane-1,4-diisocyanate with gaseous hydrogen chloride in an inert solvent. The diurethane prepared in (b) and the disulphonyl urea prepared in (d) may be thermally decomposed into trans-cyclohexane-1,4-diisocyanate.

    摘要翻译: 公开了一种选择性制备反式环己烷-1,4-二异氰酸酯,反式环己烷-1,4-二胺,反式环己烷-1,4-二氨基甲酸酯,反式环己烷-1,4-二脲和反式环己烷-1,4-二脲 - 环己烷-1,4-二磺酰脲通过使氨与顺式和反式环己烷-1,4-二羧酸,低级烷基酯,乙二醇酯,低聚酯或聚酯的混合物反应制得固体反式二羧酸 酸二酰胺在第一步。 将二酰胺氯化以形成反式 - 环己烷-1,4-二羧酸 - 双-N-氯酰胺。 然后将后一种化合物用碱金属氢氧化物或碱土金属氢氧化物转化为(a)反式 - 环己烷-1,4-二胺; 或者通过与含有碱金属氢氧化物或碱土金属氢氧化物的反应混合物中的醇或二醇反应形成(b)反式环己烷-1,4-二氨基甲酸酯; 或者通过与含有碱金属氢氧化物或碱土金属氢氧化物的反应混合物中的伯胺或仲胺反应形成(c)反式环己烷-1,4-二脲; 或通过与含有碱金属氢氧化物和二甲基甲酰胺和水的反应混合物中的伯磺酰胺反应而形成(d)反式 - 环己烷-1,4-磺酰脲。 (c)中制备的二脲可以在惰性溶剂中用气态氯化氢转化成反式 - 环己烷-1,4-二异氰酸酯。 (b)中制备的二氨基甲酸酯和(d)中制备的二磺酰脲可以热分解成反式环己烷-1,4-二异氰酸酯。

    Preparation of trans cyclohexane 1,4-diisocyanate
    10.
    发明授权
    Preparation of trans cyclohexane 1,4-diisocyanate 失效
    反式环己烷1,4-二异氰酸酯的制备

    公开(公告)号:US4439370A

    公开(公告)日:1984-03-27

    申请号:US420184

    申请日:1982-09-20

    CPC分类号: C07C273/1845 C07C311/56

    摘要: A process is disclosed for selectively making trans-cyclohexane-1,4-diisocyanate, trans-cyclohexane-1,4-diamine, a trans-cyclohexane-1,4-diurethane, a trans-cyclohexane-1,4-diurea and trans-cyclohexane-1,4-disulphonyl urea by reacting ammonia with a mixture of cis and trans cyclohexane-1,4-dicarboxylic acid, a lower alkyl ester, a glycol ester, an oligomeric ester or a polyester to make a solid trans-dicarboxylic acid diamide in a first step. The diamide is chlorinated to form trans-cyclohexane-1,4-dicarboxylic acid-bis-N-chloramide. The latter compound is then converted into a(a) trans-cyclohexane-1,4-diamine with an alkali metal hydroxide or alkaline earth metal hydroxide; or into a(b) a trans-cyclohexane-1,4-diurethane by reaction with an alcohol or glycol in a reaction mixture containing an alkali metal hydroxide or alkaline earth metal hydroxide; or into(c) a trans-cyclohexane-1,4-diurea by reaction with a primary or secondary amine in a reaction mixture containing an alkali metal hydroxide or alkaline earth metal hydroxide; or into a(d) trans-cyclohexane-1,4-sulphonyl urea by reaction with a primary sulphonamide in a reaction mixture containing an alkali metal hydroxide and dimethyl formamide and water.The diurea prepared in (c) may be converted into trans-cyclohexane-1,4-diisocyanate with gaseous hydrogen chloride in an inert solvent. The diurethane prepared in (b) and the disulphonyl urea prepared in (d) may be thermally decomposed into trans-cyclohexane-1,4-diisocyanate.

    摘要翻译: 公开了一种选择性制备反式环己烷-1,4-二异氰酸酯,反式环己烷-1,4-二胺,反式环己烷-1,4-二氨基甲酸酯,反式环己烷-1,4-二脲和反式环己烷-1,4-二脲 - 环己烷-1,4-二磺酰脲通过使氨与顺式和反式环己烷-1,4-二羧酸,低级烷基酯,乙二醇酯,低聚酯或聚酯的混合物反应制得固体反式二羧酸 酸二酰胺在第一步。 将二酰胺氯化以形成反式 - 环己烷-1,4-二羧酸 - 双-N-氯酰胺。 然后将后一种化合物用碱金属氢氧化物或碱土金属氢氧化物转化为(a)反式 - 环己烷-1,4-二胺; 或者通过与含有碱金属氢氧化物或碱土金属氢氧化物的反应混合物中的醇或二醇反应形成(b)反式环己烷-1,4-二氨基甲酸酯; 或者通过与含有碱金属氢氧化物或碱土金属氢氧化物的反应混合物中的伯胺或仲胺反应形成(c)反式环己烷-1,4-二脲; 或通过与含有碱金属氢氧化物和二甲基甲酰胺和水的反应混合物中的伯磺酰胺反应而形成(d)反式 - 环己烷-1,4-磺酰脲。 (c)中制备的二脲可以在惰性溶剂中用气态氯化氢转化成反式 - 环己烷-1,4-二异氰酸酯。 (b)中制备的二氨基甲酸酯和(d)中制备的二磺酰脲可以热分解成反式环己烷-1,4-二异氰酸酯。