Liquid crystal composition and methods for the preparation thereof
    3.
    发明授权
    Liquid crystal composition and methods for the preparation thereof 有权
    液晶组合物及其制备方法

    公开(公告)号:US09382478B2

    公开(公告)日:2016-07-05

    申请号:US14500519

    申请日:2014-09-29

    Inventor: Xiaoxiong Tian

    Abstract: The disclosure relates to a liquid crystal compound having a structure of the general formula P2, wherein, R1 represents C1-C6 alkyl, R2 and R3, which are identical or different, independently represent C1-C6 alkyl, and R4 represents C2-C6 alkenyl. The disclosure also relates to a preparation process of the liquid crystal compound, a liquid crystal composition comprising the liquid crystal compound, and a liquid crystal display panel comprising the liquid crystal compound.

    Abstract translation: 本发明涉及具有通式P2结构的液晶化合物,其中R1表示C1-C6烷基,R2和R3相同或不同,独立地表示C1-C6烷基,R4表示C2-C6链烯基 。 本公开还涉及液晶化合物的制备方法,包含液晶化合物的液晶组合物和包含液晶化合物的液晶显示面板。

    Method for producing hexafluoroacetone or hydrate thereof
    6.
    发明授权
    Method for producing hexafluoroacetone or hydrate thereof 有权
    六氟丙酮或其水合物的制备方法

    公开(公告)号:US08853462B2

    公开(公告)日:2014-10-07

    申请号:US14124085

    申请日:2012-05-10

    CPC classification number: C07C45/59 C07C29/00 C07C45/40 C07C49/167 C07C31/42

    Abstract: Hexafluoroacetone or a hydrate thereof is produced with a high yield by subjecting a 1-fluoro-4,4-bis(trifluoromethyl)-2,3,5-trioxolanyl ether compound represented by the general formula: wherein R is an alkyl group having 1 to 8 carbon atoms, an aryl group, or a benzyl group, which has been obtained by ozone oxidation of a heptafluoroisobutenyl ether compound, to a reduction reaction in the presence of a reducing agent selected from dialkyl sulfide containing an alkyl group having 3 or 4 carbon atoms, diaryl sulfide, diaryl disulfide, and diaralkyl sulfide.

    Abstract translation: 通过使通式(1)表示的1-氟-4,4-双(三氟甲基)-2,3,5-三氧杂环戊烷基醚化合物,其中R为具有1个 至8个碳原子,通过七氟异丁烯基醚化合物的臭氧氧化获得的芳基或苄基在还原剂存在下还原反应,所述还原反应选自含有3或4个烷基的二烷基硫化物 碳原子,二芳基硫醚,二芳基二硫化物和二烷基硫化物。

    CONTINUOUSLY OPERABLE METHOD FOR PRODUCING CARBONYL COMPOUNDS BY MEANS OF A CATALYST CONTAINING A NITROXYL RADICAL
    7.
    发明申请
    CONTINUOUSLY OPERABLE METHOD FOR PRODUCING CARBONYL COMPOUNDS BY MEANS OF A CATALYST CONTAINING A NITROXYL RADICAL 有权
    通过含有硝基吡咯的催化剂生产碳化合物的连续可操作方法

    公开(公告)号:US20140039223A1

    公开(公告)日:2014-02-06

    申请号:US14110450

    申请日:2011-12-06

    CPC classification number: C07C45/59 C07D493/04

    Abstract: The invention relates to a method for the oxidation of a primary or secondary alcohol, preferably to form an aldehyde or ketone, comprising the following steps: a) providing a catalyst composition comprising at least one compound containing a nitroxyl radical, at least one NO source, at least one carbon or mineral acid or an anhydride of a carbon or mineral acid; b) producing a reaction mixture by adding at least one primary or secondary alcohol and a gas comprising oxygen and optionally one or more than one solvent to the catalyst composition from step a) or step e); c) incubating the reaction mixture from step b) at a temperature of between 0 and 100° C. or at the boiling point of the solvent; d) simultaneously with or subsequent to step c): crystallizing the reaction product; and e) recovering the catalyst composition by removing the crystallized reaction product from the reaction mixture obtained in step d).

    Abstract translation: 本发明涉及氧化伯醇或仲醇,优选形成醛或酮的方法,包括以下步骤:a)提供包含至少一种含有硝酰基的化合物的催化剂组合物,至少一种NO源 ,至少一种碳或无机酸或碳或无机酸的酸酐; b)通过从步骤a)或步骤e)向催化剂组合物中加入至少一种伯醇或仲醇和包含氧气和任选的一种或多种溶剂的气体产生反应混合物; c)在0-100℃的温度或溶剂的沸点下温育来自步骤b)的反应混合物; d)与步骤c)同时或之后步骤:使反应产物结晶; 和e)通过从步骤d)中获得的反应混合物中除去结晶的反应产物来回收催化剂组合物。

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