OPTICALLY ACTIVE TRIFLUOROLACTIC ACID DERIVATIVE AND LIQUID CRYSTAL COMPOSITION
    1.
    发明申请
    OPTICALLY ACTIVE TRIFLUOROLACTIC ACID DERIVATIVE AND LIQUID CRYSTAL COMPOSITION 审中-公开
    光学活性三聚氰酸衍生物和液晶组合物

    公开(公告)号:WO1992020641A1

    公开(公告)日:1992-11-26

    申请号:PCT/JP1992000646

    申请日:1992-05-20

    IPC分类号: C07C31/42

    摘要: An optically active compound derived from a novel trifluorolactic acid, useful as a component of a ferroelectric liquid crystal composition, and a liquid crystal composition. A compound represented by general formula (I), wherein R represents C1 to C18 alkyl, alkoxy, C2 to C18 alkanoyl, alkanoyloxy or alkoxycarbonyl; R represents optionally alkoxy-substituted alkyl (where the total number of the carbon atoms is 1 to 15); A, B and C represent each independently the group (a) or (b); v and w represent each independently -COO-, -OCO-, -CH2O-, -OCH2-, -CH2-CH2-, -CH=CH-, -C=C- or a single bond; and x and y together represent any of the following combinations: -OCH2- and -O-; -OCH2- and -OCO-; -OCH2- and -OCOO-; -OCO- and -O-; -OCO- and -OCO-; -OCO- and -OCOO-; -COO- and -COO-; -COO- and -CO-; -COO- and -CH2O-; -COO- and -CH2OCO-; -COO- and -CH2OCOO-; -COOCH2- and -O-; -COOCH2- and -OCO-; -COOCH2- and -OCOO-; -O- and -CH2O-; -O- and -CH2OCO-; and -O- and -CH2OCOO-.

    摘要翻译: 来自作为铁电液晶组合物的成分的新颖的三氟乳酸的光学活性化合物和液晶组合物。 由通式(I)表示的化合物,其中R 1表示C 1至C 18烷基,烷氧基,C 2至C 18烷酰基,烷酰氧基或烷氧基羰基; R 2表示任选的烷氧基取代的烷基(其中碳原子的总数为1至15); A,B和C各自独立地表示基团(a)或(b); v和w各自独立地表示-COO - , - OCO - , - CH 2 O - , - OCH 2 - , - CH 2 -CH 2 - , - CH = CH-,-C = C-或单键; 并且x和y一起表示以下任何组合:-OCH 2 - 和-O-; -OCH 2 - 和-OCO-; -OCH 2 - 和-OCOO-; -OCO-和-O-; -OCO-和-OCO-; -OCO-和-OCOO-; -COO-和-COO-; -COO-和-CO-; -COO-和-CH2O-; -COO-和-CH 2OCO-; -COO-和-CH 2 COOO-; -COOCH 2 - 和-O-; -COOCH 2 - 和-OCO-; -COOCH2-和-OCOO-; -O-和-CH 2 O-; -O-和-CH 2OCO-; 和-O-和-CH 2 COOO-。

    HYDRO-FLUOROCOMPOUNDS
    3.
    发明申请
    HYDRO-FLUOROCOMPOUNDS 审中-公开
    HYDRO氟化合物

    公开(公告)号:WO2012160135A1

    公开(公告)日:2012-11-29

    申请号:PCT/EP2012/059702

    申请日:2012-05-24

    摘要: The invention pertains to certain hydro-fluorocompounds of the following formula (I): R f O-R H -O-(CH2) m -[CF(X)] n -COOX a wherein: - X a is H, a monovalent metal (preferably an alkaline metal) or an ammonium group of formula -N(R' n ) 4 , wherein each of R' n , equal to or different from each other, independently represents a hydrogen atom or a C 1-6 hydrocarbon group (preferably an alkyl group); - R f is a C 1 -C 6 (per)fluoroalkyl optionally comprising one or more catenary oxygen atoms, preferably R f is a group of formula R 'f -CH 2 -, wherein R' f is a C 1 -C 5 perfluorinated group, possibly comprising one or more ethereal oxygens, preferably a C 1 -C 3 perfluorinated group, possibly comprising one or more ethereal oxygens; - R H is a fluorine-free hydrocarbon group optionally comprising one or more catenary oxygen atoms; - X is F or CF 3 , preferably X is F; - m is 0 or 1; - n is 1 to 3, to a process for the manufacture of said hydro-fluorocompounds, to a method of making fluoropolymers in the presence of said hydro-fluorocompounds, and to fluoropolymer dispersions comprising said hydro-fluorocompound.

    摘要翻译: 本发明涉及以下式(I)的某些含氟化合物:RfO-RH-O-(CH2)m- [CF(X)] n-COOXa其中:-Xa为H,一价金属(优选碱 金属)或式-N(R'n)4的铵基,其中R'n彼此相同或不同,各自独立地表示氢原子或C1-6烃基(优选烷基) ; -R f是任选地包含一个或多个链状氧原子的C 1 -C 6(全)氟烷基,优选地,Rf是式R'f-CH 2 - 的基团,其中R'f是C1-C5全氟化基团,可能包含一个或多个 更多的醚氧,优选C1-C3全氟化基团,可能包含一个或多个醚类氧; - RH是任选地包含一个或多个链状氧原子的无氟烃基; - X是F或CF 3,优选X是F; - m为0或1; n为1至3,涉及制备所述含氟化合物的方法,涉及在所述含氟化合物存在下制备含氟聚合物的方法,以及包含所述氢氟化合物的含氟聚合物分散体。

    OPTICALLY ACTIVE 'alpha'-SUBSTITUTED CARBOXYLIC ACID DERIVATIVE AND PROCESS FOR PRODUCING THE SAME
    4.
    发明申请
    OPTICALLY ACTIVE 'alpha'-SUBSTITUTED CARBOXYLIC ACID DERIVATIVE AND PROCESS FOR PRODUCING THE SAME 审中-公开
    光活性α - 取代羧酸衍生物及其制备方法

    公开(公告)号:WO1995034525A1

    公开(公告)日:1995-12-21

    申请号:PCT/JP1995001176

    申请日:1995-06-13

    IPC分类号: C07C59/115

    摘要: An optically active alpha -substituted carboxylic acid derivative represented by general formula (I) wherein R1 represents hydroxy, -C(=CH2)-COOR3 or -CH(CH3)-COOR3; R2 represents methyl or chloro; R3 represents hydrogen or C1-C6 alkyl; n represents an integer of 1 or 2; and the asterisk represents asymmetric carbon, provided when R1 represents hydroxy, R2 represents chloro; and a process for producing the derivative or an enantiomer thereof by using a culture of a microorganism capable of asymmetrically hydrolyzing an ester linkage or a cell thereof which may have been suitably treated. These compounds are useful as the starting material of various liquid crystals and as an intermediate for synthesizing optically active drugs and pesticides.

    摘要翻译: 由通式(I)表示的光学活性的α-取代羧酸衍生物,其中R 1表示羟基,-C(= CH 2)-COOR 3或-CH(CH 3)-COOR 3; R2代表甲基或氯; R3表示氢或C1-C6烷基; n表示1或2的整数; 并且星号表示不对称碳,当R1表示羟基时,R2表示氯; 以及通过使用可以不适地水解酯键的微生物的培养物或其可能已被适当处理的细胞的方法来制备衍生物或其对映异构体的方法。 这些化合物可用作各种液晶的起始材料和用作合成光学活性药物和农药的中间体。

    3,3-ジフルオロ-2-ヒドロキシプロピオン酸の実用的な製造方法
    6.
    发明申请
    3,3-ジフルオロ-2-ヒドロキシプロピオン酸の実用的な製造方法 审中-公开
    制备3,3,3-二氟-2-羟基丙酸的实用方法

    公开(公告)号:WO2016158365A1

    公开(公告)日:2016-10-06

    申请号:PCT/JP2016/058056

    申请日:2016-03-15

    摘要:  医農薬中間体として重要な3,3-ジフルオロ-2-ヒドロキシプロピオン酸の実用的な製造方法を提供する。4,4-ジフルオロ-3-オキソブタン酸エステルを塩素(Cl 2 )と反応させることにより4,4-ジフルオロ-2,2-ジクロロ-3-オキソブタン酸エステルを得る。次に酸と反応させることにより3,3-ジフルオロ-1,1-ジクロロ-2-プロパノンを得る。最後に塩基性水溶液と反応させることにより3,3-ジフルオロ-2-ヒドロキシプロピオン酸を製造することができる。

    摘要翻译: 提供了制备3,3-二氟-2-羟基丙酸的实用方法,其作为医药和农药的中间体是重要的。 通过使4,4-二氟-3-氧代丁酸酯与氯(Cl 2)反应,得到4,4-二氟-2,2-二氯-3-氧代丁酸酯。 然后与酸反应,得到3,3-二氟-1,1-二氯-2-丙酮。 最后,通过与碱性水溶液反应,可以制造3,3-二氟-2-羟基丙酸。