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    PROCEDE DE PREPARATION DE LA 2-HYDROXYBUTYROLACTONE
    35.
    发明公开
    PROCEDE DE PREPARATION DE LA 2-HYDROXYBUTYROLACTONE 有权
    工艺制备2-羟基丁

    公开(公告)号：EP2627645A1

    公开(公告)日：2013-08-21

    申请号：EP11785721.9

    申请日：2011-10-17

    申请人： Adisseo France S.A.S.

    发明人： MONBRUN, Jérôme ,  HENRYON, Vivien

    IPC分类号： C07D307/33 ,  C07C29/09

    CPC分类号： C07D307/33 ,  C07C51/41 ,  C07C381/12 ,  C07C59/10

    摘要： The invention relates to a process for preparing 2-hydroxybutyrolactone (2HBL) from a compound, or the salt thereof or the oligomers thereof, wherein said compound has formula (I) CH
    3 -S-CH
    2 CH
    2 CR1R2R3. R1 is H. R2 is a group selected from: OH; OR4 and OCOR4 where R4 is a group selected from linear, cyclic, alicyclic or branched alkyl groups containing 1 to 10 carbon atoms, and aryl groups containing 6 to 10 carbon atoms, which are optionally substituted with one or more substituents selected from linear or branched alkyl groups containing 1 to 10 carbon atoms, halogens and hydroxyl groups, amino groups, nitro groups and alkoxy groups containing 1 to 10 carbon atoms; and OSiRR'R" where R, R' and R" are independently selected from linear, cyclic, alicyclic or branched alkyl groups containing 1 to 10 carbon atoms, and aryl groups containing 6 to 10 carbon atoms, which are optionally substituted with one or more substituents selected from linear or branched alkyl groups containing 1 to 10 carbon atoms, or R1 and R2 together are =O. R3 is COOH or a COOR5 group where R5 is a group selected from linear, cyclic, alicyclic or branched alkyl groups containing 1 to 10 carbon atoms, benzyl, and benzyl groups substituted with one or two substituents selected from linear or branched alkyl groups containing 1 to 10 carbon atoms, halogens and hydroxyl groups, amino groups, nitro groups and alkoxy groups containing 1 to 10 carbon atoms, or R3 is a cyano group, according to which process a sulfonium of said compound is obtained, said sulfonium having formula (II) [CH
    3 ][CH
    2 CH
    2 CR1R2CR3][CR6R7R8]S
    + X
    - in which R1, R2 and R3 have the definition above; R6 and R7 are independently selected from H, linear, cylcic, alicyclic or branched alkyl groups containing 1 to 10 carbon atoms, and aryl groups containing 6 to 10 carbon atoms, which are optionally substituted with one or more substituents selected from linear or branched alkyl groups containing 1 to 10 carbon atoms, halides and hydroxyl groups, amino groups, nitro groups and alkoxy groups containing 1 to 10 carbon atoms; R8 is selected from H, linear, cyclic, alicyclic or branched alkyl groups containing 1 to 10 carbon atoms, aryl groups containing 6 to 10 carbon atoms, which are optionally substituted with one or more substituents selected from linear or branched alkyl groups containing 1 to 10 carbon atoms and attractor groups, in particular those having a function selected from an acid, ester and cyano functions; and X is a counter-ion, the resulting sulfonium being hydrolyzed, and the 2,4-dihydroxybutyric acid or the salt thereof being cyclized to obtain 2-hydroxybutyrolactone.

    IMPROVEMENTS IN OR RELATING TO THE PRODUCTION OF ANIMAL FEED
    40.
    发明授权
    IMPROVEMENTS IN OR RELATING TO THE PRODUCTION OF ANIMAL FEED 无效
    的改进在动物饲料生产

    公开(公告)号：EP1207760B1

    公开(公告)日：2006-07-26

    申请号：EP00956471.7

    申请日：2000-08-08

    申请人： Adisseo France S.A.S.

    发明人： D'ALFONSO, Thomas ,  HAEFFNER, Jürgen ,  HARARI, Guy

    IPC分类号： A23K1/00 ,  G01N33/02 ,  G01N21/35

    CPC分类号： G01N21/3563 ,  A23K40/00 ,  G01N21/359 ,  G01N33/02

    摘要： A method of selecting and enhancing of feedstuffs for use in an animal feed product by analysing the statistical distribution of the nutritional content of batches of the feedstuff and calculating the number of batches within a predetermined range of a desirabfle nutrient composition. The cost of enhancing the feedstuff by adding nutrient additives is calculated and batches of the feedstuff are accepted or rejected, with the enhancement step only applied to the accepted batches. The method can be applied to products such as soyabean meal and corn which are major constituents of animal feed. It produces a feedstuff with a lower than natural variance in nutrient composition and a guarantee of a desired nutritional composition without the need for systematic overformulation of the product.