METHOD FOR THE REESTERIFICATION OR ESTERIFICATION OF SIDE CHAINS IN POLYMERS
    2.
    发明申请
    METHOD FOR THE REESTERIFICATION OR ESTERIFICATION OF SIDE CHAINS IN POLYMERS 审中-公开
    在聚合物中重新涂覆或超过侧链的方法

    公开(公告)号:WO2007063037A2

    公开(公告)日:2007-06-07

    申请号:PCT/EP2006068882

    申请日:2006-11-24

    CPC classification number: C08F220/18 C08F8/14 C08F220/62 C08F220/00

    Abstract: The invention relates to a method for reesterifying or esterifying side chains in polymers. Said method comprises the following steps: a) a copolymer is produced which is obtained by polymerizing aa) at least one (meth)acrylate of general formula (I) as component A, wherein R 1 represents H or CH 3 while R 2 represents H or an alkyl radical that can be optionally substituted with functional groups such as acryl groups, ether groups, amino groups, epoxy groups, halogen groups, or sulfonic acid groups, and ab) at least one monomer of general formula (II) as component B, wherein R 3 has the same meaning as R 1 , R 4 has the same meaning as R 2 , and n = 1 to 40, and b) reesterifying or esterifying the carboxyl group containing the radical R 4 with an alcohol in the presence of an enzyme catalyzing the reesterification or esterification process. The invention also relates to said polymers and the use thereof.

    Abstract translation: 本发明涉及一种用于酯化或酯交换中的聚合物侧链,其包括以下步骤:a)制备由氨基酸的聚合而得到的共聚物)的通式(I)作为组分A的至少一种(甲基)丙烯酸酯,其中R H或CH 3和R 2是H或任选被官能团取代的烷基,所述官能团如丙烯酸,醚,氨基 - ,通式(II)作为组分B,其中R 3 的含义与R相同 1

    SEQUENCES ENCODING S-HYDROXYNITRIL LYASES AND THEIR USE IN METHODS FOR THE PRODUCTION OF CYANOHYDRINS
    4.
    发明申请
    SEQUENCES ENCODING S-HYDROXYNITRIL LYASES AND THEIR USE IN METHODS FOR THE PRODUCTION OF CYANOHYDRINS 审中-公开
    编码S-羟肟酸盐的方法及其在生产氰尿酸的方法中的应用

    公开(公告)号:WO2004090124A3

    公开(公告)日:2004-11-25

    申请号:PCT/EP2004003844

    申请日:2004-04-13

    CPC classification number: C12P13/004 C12N9/88

    Abstract: The present invention relates to new aminoacid sequences isolated from Adenia racemosa encoding S-hydroxynitrile lyases and their use in methods for the production of nitriles and/or carboxylic acids, preferably optically active nitriles and/or carboxylic acids. The invention further relates to nucleic acid encoding said S-hydroxynitrile lyases, recombinant expression constructs comprising said nucleic acid sequences, recombinant vectors comprising the nucleic acid sequences or the expression constructs, to recombinant organisms, preferably microorganisms or yeasts, comprising the nucleic acid sequences, expression constructs or vectors. The invention additionally relates to a method for the production of cyanohydrins and/or carboxylic acids, preferably optically active cyanohydrins and/or carboxylic acids from racemic aldehydes and cyanide.

    Abstract translation: 本发明涉及从编码S-羟基腈裂解酶的Adenia racemosa分离的新的氨基酸序列及其在制备腈和/或羧酸,优选光学活性腈和/或羧酸的方法中的用途。 本发明还涉及编码所述S-羟基腈裂解酶的核酸,包含所述核酸序列的重组表达构建体,包含核酸序列或表达构建体的重组载体,重组生物,优选微生物或酵母,其包含核酸序列, 表达构建体或载体。 本发明还涉及从外消旋醛和氰化物制备氰醇和/或羧酸,优选光学活性的氰醇和/或羧酸的方法。

    Modified nitrilases and their use in methods for the production of carboxylic acids

    公开(公告)号:AU2004215238B2

    公开(公告)日:2009-08-27

    申请号:AU2004215238

    申请日:2004-02-24

    Applicant: BASF AG

    Abstract: The present Invention relates to new nitrilases with modified Substrate acceptance, the method to obtain them and the use of the aforesaid nitrilases. Said nitrilases are encoded by a polypeptide sequence, which at a Position corresponding to Position 296 in wild-type Alcaligenes faecalis comprises an amino acid which is not tyrosine. The Invention further relates to nucleic acid sequences and amino acid sequences encoding Said nitrilases, expression constructs comprising Said nucleic acid sequences, vectors comprising the nucleic acid sequences or the exPression constructs, to organisms, preferably microorganisms, comprising the nucleic acid sequences, expression constructs or vectors. The Invention additionally relates to a method for preparing carboxylic acids, preferably substituted chiral carboxylic acids from racemic nitriles.

    METHOD FOR THE REESTERIFICATION OR ESTERIFICATION OF SIDE CHAINS IN POLYMERS

    公开(公告)号:CA2631264A1

    公开(公告)日:2007-06-07

    申请号:CA2631264

    申请日:2006-11-24

    Applicant: BASF AG

    Abstract: The invention relates to a method for reesterifying or esterifying side chai ns in polymers. Said method comprises the following steps: a) a copolymer is produced which is obtained by polymerizing aa) at least one (meth)acrylate o f general formula (I) as component A, wherein R1 represents H or CH3 while R2 represents H or an alkyl radical that can be optionally substituted with functional groups such as acryl groups, ether groups, amino groups, epoxy groups, halogen groups, or sulfonic acid groups, and ab) at least one monome r of general formula (II) as component B, wherein R3 has the same meaning as R 1, R4 has the same meaning as R2, and n = 1 to 40, and b) reesterifying or esterifying the carboxyl group containing the radical R4 with an alcohol in the presence of an enzyme catalyzing the reesterification or esterification process. The invention also relates to said polymers and the use thereof.

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