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    Process for preparing optically active beta-aminocarboxylic acids from racemic n-acylated beta-aminocarboxylic acids
    6.
    发明申请
    Process for preparing optically active beta-aminocarboxylic acids from racemic n-acylated beta-aminocarboxylic acids 审中-公开
    从外消旋的N-酰化β-氨基羧酸制备光学活性β-氨基羧酸的方法

    公开(公告)号：US20050153401A1

    公开(公告)日：2005-07-14

    申请号：US10508088

    申请日：2003-03-07

    申请人： Harald Groger ,  Harald Trauthwein ,  Karlheinz Drauz ,  Stefan Buchholz ,  Christiane Sacherer ,  Helge Werner

    发明人： Harald Groger ,  Harald Trauthwein ,  Karlheinz Drauz ,  Stefan Buchholz ,  Christiane Sacherer ,  Helge Werner

    IPC分类号： C12P41/00 ,  C12R1/69 ,  C12P13/04

    CPC分类号： C12P41/007

    摘要： A process is described for preparing optically active β-atninocarboxylic acids from racemic N-acylated β-aminocarboxylic acids by cnantiosclccthc hydrolysis of the N-acylated β-aminocarboxylic acid in the presence of a hydrolase by way of biocatalyst, wherein the N-acyl substituent of the N-acylated β-aminocarboxylic acid (I) exhibits Structure I in which R1, R2 are each selected, independently of one another, from H, halogen, alkiyl residues, OH, alkoxy residues and aryloxy residues; R3 is selected from halogen, alkoxy residues and aryloxy residues; (II) Structure IIA or IIB or the structure of the corresponding salts or (III) Structure III or the structure of the corresponding salt.

    摘要翻译： 描述了一种用于通过在水解酶存在下通过生物催化剂的N-酰化β-氨基羧酸水解N-外酰基化的β-氨基羧酸来制备光学活性β-阿魏酸的方法，其中N-酰基取代基 的N-酰化的β-氨基羧酸（I）表现出结构I，其中R 1，R 2各自彼此独立地选自H，卤素， 烷基残基，OH，烷氧基残基和芳氧基残基; R 3选自卤素，烷氧基残基和芳氧基残基; （II）结构IIA或IIB或相应盐的结构或（III）结构III或相应盐的结构。

    Process for preparing enantiomer-enriched alpha-hydroxycarboxylic acids and amides
    7.
    发明申请
    Process for preparing enantiomer-enriched alpha-hydroxycarboxylic acids and amides 审中-公开
    制备富含对映异构体的α-羟基羧酸和酰胺的方法

    公开(公告)号：US20070020741A1

    公开(公告)日：2007-01-25

    申请号：US10575386

    申请日：2004-10-07

    申请人： Karlheinz Drauz ,  Stefan Buchholz ,  Harald Groger

    发明人： Karlheinz Drauz ,  Stefan Buchholz ,  Harald Groger

    IPC分类号： C12P7/40 ,  C12N9/80

    CPC分类号： C12P7/42 ,  C12P13/02

    摘要： The present invention describes an enzymatic process for preparing enantiomer-enriched α-hydroxycarboxylic acids and amides which comprises, in one step, the conversion of a carbonyl compound to the corresponding acid/amides via the intermediate stage of a cyanohydrin. The invention also provides a reaction system operating in such a way and a whole-cell catalyst that is advantageous for use for this reaction.

    摘要翻译： 本发明描述了制备富含对映异构体的α-羟基羧酸和酰胺的酶促方法，其包括在一步中通过氰醇的中间阶段将羰基化合物转化为相应的酸/酰胺。 本发明还提供了以这种方式操作的反应体系和对于该反应有利的全细胞催化剂。

    PROCESS FOR PREPARING METHACRYLIC ACID OR METHACRYLIC ESTERS
    8.
    发明申请
    PROCESS FOR PREPARING METHACRYLIC ACID OR METHACRYLIC ESTERS 有权
    制备甲基丙烯酸或甲基丙烯酸酯的方法

    公开(公告)号：US20100291644A1

    公开(公告)日：2010-11-18

    申请号：US12602593

    申请日：2008-05-30

    申请人： Achim Marx ,  Markus Poetter ,  Stefan Buchholz ,  Alexander May ,  Hermann Siegert ,  Birgit Alber ,  Georg Fuchs ,  Lothar Eggeling

    发明人： Achim Marx ,  Markus Poetter ,  Stefan Buchholz ,  Alexander May ,  Hermann Siegert ,  Birgit Alber ,  Georg Fuchs ,  Lothar Eggeling

    IPC分类号： C12P7/62 ,  C12P7/40 ,  C12P7/44

    CPC分类号： C12P7/42 ,  C08F120/06 ,  C08F120/10 ,  C12N9/0008 ,  C12N9/001 ,  C12N9/1096 ,  C12N9/16 ,  C12N9/88 ,  C12P7/40 ,  C12P7/52 ,  C12P7/625 ,  C12Y102/04004 ,  C12Y103/99012 ,  C12Y206/01042 ,  C12Y301/02004 ,  C12Y402/01017

    摘要： The present invention relates to a process for the preparation of methacrylic acid or methacrylic esters, comprising the process steps of IA) preparation of 3-hydroxyisobutyric acid by a process comprising the process step of bringing a cell which has been genetically modified in comparison with its wild type in such a way that it is capable of forming more 3-hydroxyisobutyric acid, or polyhydroxyalkanoates based on 3-hydroxyisobutyric acid in comparison with its wild type, into contact with a nutrient medium comprising, as carbon source, carbohydrates, glycerol, carbon dioxide, methanol, L-valine or L-glutamate under conditions under which 3-hydroxyisobutyric acid or polyhydroxyalkanoates based on 3-hydroxyisobutyric acid are formed from the carbon source, if appropriate, isolation of the 3-hydroxyisobutyric acid from the nutrient medium and also, if appropriate, neutralization of the 3-hydroxyisobutyric acid, IB) dehydration of the 3-hydroxyisobutyric acid with formation of methacrylic acid and also, where appropriate, esterification methacrylic acid. The invention also relates to a process for the preparation of polymethacrylic acid or polymethacrylic esters.

    摘要翻译： 本发明涉及一种制备甲基丙烯酸或甲基丙烯酸酯的方法，其包括以下工艺步骤：IA）通过包括以下步骤的方法制备3-羟基异丁酸，所述方法包括将经遗传修饰的细胞与其 野生型，使得其能够形成更多的3-羟基异丁酸或与其野生型相比基于3-羟基异丁酸的聚羟基链烷酸酯与营养培养基接触，所述营养培养基包含作为碳源的碳水化合物，甘油，碳 二氧化物，甲醇，L-缬氨酸或L-谷氨酸盐，其中3-羟基异丁酸或基于3-羟基异丁酸的聚羟基链烷酸酯由碳源形成的条件下，如果合适，则从营养培养基中分离出3-羟基异丁酸， 如果适当，中和3-羟基异丁酸，IB）3-羟基异丁酸脱水形成甲基丙烯酸 酸，并且在适当的情况下酯化甲基丙烯酸。 本发明还涉及一种制备聚甲基丙烯酸或聚甲基丙烯酸酯的方法。

    Process for preparing methacrylic acid or methacrylic esters
    9.
    发明授权
    Process for preparing methacrylic acid or methacrylic esters 有权
    制备甲基丙烯酸或甲基丙烯酸酯的方法

    公开(公告)号：US09234218B2

    公开(公告)日：2016-01-12

    申请号：US12602593

    申请日：2008-05-30

    申请人： Achim Marx ,  Markus Poetter ,  Stefan Buchholz ,  Alexander May ,  Hermann Siegert ,  Birgit Alber ,  Georg Fuchs ,  Lothar Eggeling

    发明人： Achim Marx ,  Markus Poetter ,  Stefan Buchholz ,  Alexander May ,  Hermann Siegert ,  Birgit Alber ,  Georg Fuchs ,  Lothar Eggeling

    IPC分类号： C12P7/42 ,  C12P7/52 ,  C12N9/02 ,  C12P7/40 ,  C12P7/62 ,  C08F120/06 ,  C08F120/10 ,  C12N9/10 ,  C12N9/16 ,  C12N9/88

    CPC分类号： C12P7/42 ,  C08F120/06 ,  C08F120/10 ,  C12N9/0008 ,  C12N9/001 ,  C12N9/1096 ,  C12N9/16 ,  C12N9/88 ,  C12P7/40 ,  C12P7/52 ,  C12P7/625 ,  C12Y102/04004 ,  C12Y103/99012 ,  C12Y206/01042 ,  C12Y301/02004 ,  C12Y402/01017

    摘要： The present invention relates to a process for the preparation of methacrylic acid or methacrylic esters, comprising the process steps of IA) preparation of 3-hydroxyisobutyric acid by a process comprising the process step of bringing a cell which has been genetically modified in comparison with its wild type in such a way that it is capable of forming more 3-hydroxyisobutyric acid, or polyhydroxyalkanoates based on 3-hydroxyisobutyric acid in comparison with its wild type, into contact with a nutrient medium comprising, as carbon source, carbohydrates, glycerol, carbon dioxide, methanol, L-valine or L-glutamate under conditions under which 3-hydroxyisobutyric acid or polyhydroxyalkanoates based on 3-hydroxyisobutyric acid are formed from the carbon source, if appropriate, isolation of the 3-hydroxyisobutyric acid from the nutrient medium and also, if appropriate, neutralization of the 3-hydroxyisobutyric acid, IB) dehydration of the 3-hydroxyisobutyric acid with formation of methacrylic acid and also, where appropriate, esterification methacrylic acid. The invention also relates to a process for the preparation of polymethacrylic acid or polymethacrylic esters.

    摘要翻译： 本发明涉及一种制备甲基丙烯酸或甲基丙烯酸酯的方法，其包括以下工艺步骤：IA）通过包括以下步骤的方法制备3-羟基异丁酸，所述方法包括将经遗传修饰的细胞与其 野生型，使得其能够形成更多的3-羟基异丁酸或与其野生型相比基于3-羟基异丁酸的聚羟基链烷酸酯与营养培养基接触，所述营养培养基包含作为碳源的碳水化合物，甘油，碳 二氧化物，甲醇，L-缬氨酸或L-谷氨酸盐，其中3-羟基异丁酸或基于3-羟基异丁酸的聚羟基链烷酸酯由碳源形成的条件下，如果合适，则从营养培养基中分离出3-羟基异丁酸， 如果适当，中和3-羟基异丁酸，IB）3-羟基异丁酸脱水形成甲基丙烯酸 酸，并且在适当的情况下酯化甲基丙烯酸。 本发明还涉及一种制备聚甲基丙烯酸或聚甲基丙烯酸酯的方法。

    Citric ester mixtures and their use
    10.
    发明授权
    Citric ester mixtures and their use 失效
    柠檬酸酯混合物及其用途

    公开(公告)号：US08431638B2

    公开(公告)日：2013-04-30

    申请号：US12990225

    申请日：2009-05-05

    申请人： Michael Grass ,  Stefan Buchholz ,  Wilfried Bueschken

    发明人： Michael Grass ,  Stefan Buchholz ,  Wilfried Bueschken

    IPC分类号： C08K5/10

    CPC分类号： C07C69/704 ,  C08K5/0016 ,  C08K5/11

    摘要： The present invention relates to mixtures of citric esters of the formula I, in which each of R1, R2 and R3 is an aliphatic C5 or C9 moiety, wherein the average chain length of the aliphatic moieties in the mixture is in the range from greater than 5 to 7, and the average degree of branching of the aliphatic C9 moieties is in the range from 0.9 to 2.2. The present invention also relates to the use of the citric ester mixture as a plasticizer in plastics compositions.

    摘要翻译： 本发明涉及式I的柠檬酸酯的混合物，其中R 1，R 2和R 3各自为脂族C 5或C 9部分，其中混合物中脂族部分的平均链长在大于 5至7，并且脂族C 9部分的平均支化度在0.9至2.2的范围内。 本发明还涉及柠檬酸酯混合物作为塑料组合物中的增塑剂的用途。