Verfahren zur enzymatischen Herstellung von Chiralen, 1-acylierten 1,2 Diolen
    1.
    发明公开
    Verfahren zur enzymatischen Herstellung von Chiralen, 1-acylierten 1,2 Diolen 审中-公开
    Verfahren zur enzymematischen Herstellung von Chiralen,1-acylierten 1,2 Diolen

    公开(公告)号:EP1754791A1

    公开(公告)日:2007-02-21

    申请号:EP06117961.0

    申请日:2006-07-27

    IPC分类号: C12P7/62

    CPC分类号: C12P7/62

    摘要: Verfahren zur Herstellung einer chiralen Verbindung der Formel (I),

    wobei R gleich oder verschieden ist und H, oder organischer Rest bedeutet, bei dem eine Biotransformationszusammensetzung, umfassend eine Verbindung der Formel (II),

    wobei R die genannte Bedeutung hat, eine Oxidoreduktase, einen Redox-Cofaktor und ein Cosubstrat, zur Reaktion gebracht wird, wobei die chirale Verbindung der Formel (I) entsteht und nachfolgend isoliert wird.

    摘要翻译: 手性1-酰基-1,2-二醇化合物(I)的制备包括在氧化还原酶,氧化还原辅因子和共底物的存在下转化羰基化合物(II),得到(I)并分离得到的( 一世)。 式(I)的手性1-酰基-1,2-二醇化合物的制备包括将式(R 3 C-C(= O)-CH 2 - (O)-C(= O) )在氧化还原酶,氧化还原辅因子和共底物的存在下反应,得到(I)并分离得到的(I)化合物。 R:H(优选),1-20C烷基,2-20C烯基,3-8C环烷基,6-20C芳基或5-20C杂芳基(其中杂原子是B,N,O,Si,P或S, 杂芳基任选被1个或多个F,Cl,Br,I,3-8C环烷基,6-20C芳基,5-20杂芳基,CN,NH2,NO或NO2取代)。 包括用于生物转化组合物的独立权利要求,其包含含有羰基还原酶 - (II),氧化还原辅因子,共底物,作为葡萄糖脱氢酶(GDH)的辅助底物的葡萄糖和辅因子再生 酶。 [图片]。

    ALKOXYSILANTERMINIERTE PREPOLYMERE
    4.
    发明公开

    公开(公告)号:EP1636283A1

    公开(公告)日:2006-03-22

    申请号:EP04735887.4

    申请日:2004-06-03

    摘要: The invention relates to prepolymers (A) with terminal groups of general formula (1) -SiR1a(OR2)3-a, whereby R1 represents an optionally halogen-substituted alkyl, cycloalkyl, alkenyl or Aryl radical having 1-10 carbon atoms; R2 represents an alkyl radical having 1-6 carbon atoms or a ω-oxaalkyl-alkyl radical having, in total, 2-10 carbon atoms; a is a number from 0 to 2, whereby the prepolymers (A) can be obtained by reacting: 1) polyol (A1) having an average molecular weight Mn ranging from 1000 to 25000; 2) low-molecular alcohol (A2) having at least two hydroxyl groups per molecule and a molecular weight ranging from 62 to 300; 3) di- or polyisocyanate (A3), and; 4) alkoxysilane (A4), which have an isocyanate group or an isocyanate-reactive group, whereby the low-molecular alcohol (A2) and the polyol (A1) are used in a molar ratio ranging from 0.3: 1 to 7: 1.

    摘要翻译: 本发明涉及具有通式(1)-SiR 1a(OR 2)3-a的端基的预聚物(A),其中R 1表示具有1-10个碳原子的任选卤素取代的烷基,环烷基,烯基或芳基; R2表示具有1-6个碳原子的烷基或具有总共2-10个碳原子的ω-氧杂烷基烷基; a为0-2的数,由此预聚物(A)可以通过以下物质反应得到:1)平均分子量Mn为1000-25000的多元醇(A1); 2)每分子具有至少两个羟基且分子量为62至300的低分子量醇(A2); 3)二或多异氰酸酯(A3),和; 4)具有异氰酸酯基或异氰酸酯反应性基团的烷氧基硅烷(A4),其中低分子量醇(A2)和多元醇(A1)以0.3:1至7:1的摩尔比使用。

    POLYMERISIERBARE MISCHUNGEN
    8.
    发明公开
    POLYMERISIERBARE MISCHUNGEN 有权
    聚合物杂志

    公开(公告)号:EP1558699A1

    公开(公告)日:2005-08-03

    申请号:EP03775262.3

    申请日:2003-10-30

    IPC分类号: C09K19/38

    摘要: The invention relates to a polymerisable mixture (P) containing A) monomers or oligomers (A), each of said monomers or oligomers (A) comprising at least two polymerisable functional groups which are selected from (meth)acrylate ester groups, epoxy groups and vinyl ether groups, B) liquid-crystalline monomers or oligomers (B), each of said monomers or oligomers (B) comprising at least one mesogen group having an aromatic double ring structure and just one polymerisable functional group which is selected from (meth)acrylate ester groups, epoxy groups and vinyl ether groups, and C) between 1 and less than 50 wt. %, in relation to the polymerisable mixture, of a monomer (C) comprising at least one mesogen group having an aromatic double ring structure and no groups which can react with the polymerisable functional groups of the monomers or oligomers (A) and (B).

    摘要翻译: 一种可聚合混合物(P),其包含:(A)具有选自(B)具有芳族双环结构的介晶基团和可聚合官能团的液晶单体或低聚物的两个可聚合官能团的单体或低聚物,(C)单体 C具有芳基双环结构的介晶基团,并且不含不能与单体或低聚物A和B的可聚合官能团反应的基团是新的。 一种可聚合混合物(P),其包含:(A)具有选自:(甲基)丙烯酸酯 - 环氧 - 和乙烯基醚基团的至少两个可聚合官能团的单体或低聚物,(B)至少具有 芳族双环结构的一个介晶基团和选自(甲基)丙烯酸酯,环氧基和乙烯基醚基团的可聚合官能团,(C)1-50重量%的单体(C)的可聚合混合物与至少一个介晶 一组芳族双环结构,不含有可与单体或低聚物A和B的可聚合官能团反应的基团。独立权利要求包括:(1)可从可聚合混合物(P)获得的光学各向异性聚合物(F) ; (2)制备聚合物F的方法,其中将聚合性混合物P施加到基材上,定向并最终通过聚合固定。

    SILICONHALTIGE SCHAUMSTOFFE
    9.
    发明公开
    SILICONHALTIGE SCHAUMSTOFFE 有权
    硅为基础的泡沫

    公开(公告)号:EP1485419A1

    公开(公告)日:2004-12-15

    申请号:EP03744776.0

    申请日:2003-01-23

    IPC分类号: C08G18/61

    摘要: The invention relates to foamable preparations comprised of the following constituents: (A) linear or branched organopolysiloxanes whose chain ends are terminated up to at least 95 % with aminoalkyl groups or hydroxyalkyl groups of general formula (1) -O-SiR12O-SiR22-R3-Z that can be produced by reacting linear or branched organopolysiloxanes, which have terminal groups of general formula (2) -O-SiR12-OH, with organosilicon compounds, which are composed of structural elements of general formula (3) - [SiR22-R3-Y-]k, whereby R1, R2, R3, Z, Y and k have the meanings as cited in Claim No. 1; (B) di- or polyisocyanates, and; (C) expanding agents.