Preparation of caprolactone, caprolactam, 2,5-tetrahydrofuran-dimethanol, 1,6-hexanediol or 1,2,6-hexanetriol from 5-hydroxymethyl-2-furfuraldehyde
    154.
    发明授权
    Preparation of caprolactone, caprolactam, 2,5-tetrahydrofuran-dimethanol, 1,6-hexanediol or 1,2,6-hexanetriol from 5-hydroxymethyl-2-furfuraldehyde 有权
    从5-羟甲基-2-糠醛制备己内酯,己内酰胺,2,5-四氢呋喃 - 二甲醇,1,6-己二醇或1,2,6-己三醇

    公开(公告)号:US09199961B2

    公开(公告)日:2015-12-01

    申请号:US13699934

    申请日:2011-03-23

    CPC classification number: C07D313/04 C07C29/132 C07D201/08

    Abstract: The present invention relates to a method for preparing caprolactone, comprising converting 5-hydroxymethyl-2-furfuraldehyde by hydrogenation into at least one intermediate compound selected from the group of 2,5-tetrahydrofuran-dimethanol, 1,6-hexanediol and 1,2,6-hexanetriol, and preparing caprolactone from said intermediate compound.Further, the invention relates to a method for preparing 1,2,6-hexanetriol comprising preparing 5-hydroxymethyl-2-furfaldehyde from a renewable source, converting 5-hydroxymethyl-2-furfaldehyde into 2,5-tetrahydrofuran-dimethanol and converting 2,5-tetrahydrofuran-dimethanol into 1,2,6-hexanetriol.Further, the invention relates to a method for preparing 1,6-hexanediol from 1,2,6-hexanetriol, wherein 1,2,6-hexanetriol is subjected to a ring closure reaction, thereby forming (tetrahydro-2H-pyran-2-yl)methanol, and the (tetrahydro-2H-pyran-2-yl)methanol is hydrogenated, thereby forming 1,6-hexane diol.

    Abstract translation: 本发明涉及一种制备己内酯的方法,包括通过氢化将5-羟甲基-2-糠醛转化为至少一种选自2,5-四氢呋喃 - 二甲醇,1,6-己二醇和1,2 ,6-己烷三醇,并由所述中间体化合物制备己内酯。 此外,本发明涉及一种制备1,2,6-己三醇的方法,包括从可再生来源制备5-羟甲基-2-糠醛,将5-羟甲基-2-糠醛转化为2,5-四氢呋喃 - 二甲醇并将2 ,5-四氢呋喃 - 二甲醇加入到1,2,6-己三醇中。 此外,本发明涉及从1,2,6-己三醇制备1,6-己二醇的方法,其中1,2,6-己三醇进行闭环反应,从而形成(四氢-2H-吡喃-2-基) - 基)甲醇,并将(四氢-2H-吡喃-2-基)甲醇氢化,从而形成1,6-己二醇。

    Process for preparing lactams
    156.
    发明授权
    Process for preparing lactams 失效
    制备内酰胺的方法

    公开(公告)号:US08772477B2

    公开(公告)日:2014-07-08

    申请号:US13260268

    申请日:2010-04-27

    Inventor: Philippe Leconte

    CPC classification number: C07D201/08 C07D223/10

    Abstract: A method for preparing lactams by cyclizing hydrolysis of a corresponding aminonitrile is described. A method for manufacturing a lactam by reacting an aminonitrile with water in the presence of a catalyst involving placing the water and the aminonitrile in contact in vapor phase, passing the mixture of vapors through a bed of catalyst arranged in at least one tube forming a reaction chamber and recovering the lactam at the outlet of the tube is also described.

    Abstract translation: 描述了通过环化相应的氨基腈的水解制备内酰胺的方法。 一种在催化剂存在下使氨基腈与水反应的方法,所述催化剂涉及使水和氨基腈气相接触,使蒸汽混合物通过排列在形成反应的至少一个管中的催化剂床 还描述了在管的出口处回收内酰胺的腔室。

    Preparation of caprolactone, caprolactam, 2,5-tetrahydrofuran-dimethanol, 1,6-hexanediol or 1,2,6-hexanetriol from 5-hydroxymethyl-2-furfuraldehyde
    157.
    发明申请
    Preparation of caprolactone, caprolactam, 2,5-tetrahydrofuran-dimethanol, 1,6-hexanediol or 1,2,6-hexanetriol from 5-hydroxymethyl-2-furfuraldehyde 有权
    从5-羟甲基-2-糠醛制备己内酯,己内酰胺,2,5-四氢呋喃 - 二甲醇,1,6-己二醇或1,2,6-己三醇

    公开(公告)号:US20130137863A1

    公开(公告)日:2013-05-30

    申请号:US13699934

    申请日:2011-03-23

    CPC classification number: C07D313/04 C07C29/132 C07D201/08

    Abstract: The present invention relates to a method for preparing caprolactone, comprising converting 5-hydroxymethyl-2-furfuraldehyde by hydrogenation into at least one intermediate compound selected from the group of 2,5-tetrahydrofuran-dimethanol, 1,6-hexanediol and 1,2,6-hexanetriol,and preparing caprolactone from said intermediate compound.Further, the invention relates to a method for preparing 1,2,6-hexanetriol comprising preparing 5-hydroxymethyl-2-furfaldehyde from a renewable source, converting 5-hydroxymethyl-2-furfaldehyde into 2,5-tetrahydrofuran-dimethanol and converting 2,5-tetrahydrofuran-dimethanol into 1,2,6-hexanetriol.Further, the invention relates to a method for preparing 1,6-hexanediol from 1,2,6-hexanetriol, wherein 1,2,6-hexanetriol is subjected to a ring closure reaction, thereby forming (tetrahydro-2H-pyran-2-yl)methanol, and the (tetrahydro-2H-pyran-2-yl)methanol is hydrogenated, thereby forming 1,6-hexane diol.

    Abstract translation: 本发明涉及一种制备己内酯的方法,包括通过氢化将5-羟甲基-2-糠醛转化为至少一种选自2,5-四氢呋喃 - 二甲醇,1,6-己二醇和1,2 ,6-己烷三醇,并由所述中间体化合物制备己内酯。 此外,本发明涉及一种制备1,2,6-己三醇的方法,包括从可再生来源制备5-羟甲基-2-糠醛,将5-羟甲基-2-糠醛转化为2,5-四氢呋喃 - 二甲醇并将2 ,5-四氢呋喃 - 二甲醇加入到1,2,6-己三醇中。 此外,本发明涉及从1,2,6-己三醇制备1,6-己二醇的方法,其中1,2,6-己三醇进行闭环反应,从而形成(四氢-2H-吡喃-2-基) - 基)甲醇,并将(四氢-2H-吡喃-2-基)甲醇氢化,从而形成1,6-己二醇。

    Synthesis of caprolactam from lysine
    158.
    发明授权
    Synthesis of caprolactam from lysine 有权
    从赖氨酸合成己内酰胺

    公开(公告)号:US07977450B2

    公开(公告)日:2011-07-12

    申请号:US12147256

    申请日:2008-06-26

    Applicant: John W. Frost

    Inventor: John W. Frost

    CPC classification number: C07D223/12 C07D201/08

    Abstract: In various embodiments, the present invention can involve a method of synthesizing α-amino-ε-caprolactam. The method can comprise heating a salt of L-lysine in a solvent comprising an alcohol. In other embodiments, the present invention can involve methods for synthesizing ε-caprolactam. The methods can comprise heating a salt of L-lysine in a solvent comprising an alcohol and deaminating the reaction product. In various embodiments, the invention can include methods of converting biomass into nylon 6. The methods can comprise heating L-lysine in a solvent comprising an alcohol to produce α-amino-ε-caprolactam, deaminating to produce ε-caprolactam and polymerizing into nylon 6, wherein the L-lysine is derived from the biomass. In other embodiments, the present invention can include methods of making nylon 6. The methods can comprise synthesizing ε-caprolactam and then polymerizing, wherein the ε-caprolactam is derived from L-lysine.

    Abstract translation: 在各种实施方案中,本发明可以涉及α-氨基 - 己内酰胺的合成方法。 该方法可以包括在包含醇的溶剂中加热L-赖氨酸的盐。 在其它实施方案中,本发明可涉及合成ε-己内酰胺的方法。 该方法可以包括在包含醇的溶剂中加热L-赖氨酸的盐并使反应产物脱氨。 在各种实施方案中,本发明可以包括将生物质转化成尼龙6的方法。该方法可以包括在包含醇的溶剂中加热L-赖氨酸以产生α-氨基 - 己内酰胺,脱氨以产生ε-己内酰胺并聚合 进入尼龙6,其中L-赖氨酸衍生自生物质。 在其它实施方案中,本发明可以包括制备尼龙6的方法。该方法可包括合成ε-己内酰胺然后聚合,其中ε-己内酰胺衍生自L-赖氨酸。

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