OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT HAVING AXIAL ASYMMETRY, AND METHOD FOR PRODUCING ALPHA-AMINO ACID AND DERIVATIVE THEREOF BY USING THE SAME
    2.
    发明申请
    OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT HAVING AXIAL ASYMMETRY, AND METHOD FOR PRODUCING ALPHA-AMINO ACID AND DERIVATIVE THEREOF BY USING THE SAME 审中-公开
    具有轴向不对称性的光学活性季铵盐,以及通过使用它们生产α-氨基酸及其衍生物的方法

    公开(公告)号:US20120101309A1

    公开(公告)日:2012-04-26

    申请号:US13338301

    申请日:2011-12-28

    IPC分类号: C07C43/225

    摘要: The present invention discloses an optically active quanternary ammonium salt having axial asymmetry and a method for producing an α-amino acid and a derivative thereof using the same. The optically active quanternary ammonium salt having axial asymmetry of the present invention is a chiral phase-transfer catalyst that has a simple structure and that can be produced in a smaller number of process steps. The compound of the present invention is very useful as a phase-transfer catalyst in the synthesis of an α-alkyl-α-amino acid and a derivative thereof as well as an α,α-dialkyl-α-amino acid and a derivative thereof. Therefore, the compound of the present invention can be used in the development of novel foods and pharmaceuticals.

    摘要翻译: 本发明公开了具有轴向不对称性的光学活性季铵盐和使用其制备α-氨基酸及其衍生物的方法。 具有本发明的轴向不对称性的光学活性季铵盐是手性相转移催化剂,其具有简单的结构,并且可以以较少数量的工艺步骤生产。 本发明的化合物在α-烷基-α-氨基酸及其衍生物以及α,α-二烷基-α-氨基酸及其衍生物的合成中作为相转移催化剂是非常有用的 。 因此,本发明的化合物可用于开发新型食品和药物。

    Method of producing polyether resins using phase transfer catalysts
    4.
    发明授权
    Method of producing polyether resins using phase transfer catalysts 失效
    使用相转移催化剂制备聚醚树脂的方法

    公开(公告)号:US4362857A

    公开(公告)日:1982-12-07

    申请号:US199421

    申请日:1980-10-22

    IPC分类号: C08G65/00 C08G65/38 C08G65/40

    摘要: A novel polyether resin having the repeating units of the formula: ##STR1## wherein Ar is a divalent aromatic group, and R.sup.1 and R.sup.2 are divalent aliphatic hydrocarbon groups having 1 to 4 carbon atoms, and method of producing same wherein alkylene dihalide and alkali metal salts of bifunctional phenols are reacted in the presence of a phase transfer catalyst. The novel resin may be used, for example, as a film sheet or as an agent for improving the impact strength of polystyrene.

    摘要翻译: 具有下式的重复单元的新型聚醚树脂:其中Ar是二价芳族基团,R 1和R 2是具有1至4个碳原子的二价脂族烃基,及其制备方法,其中亚烷基二卤化物和碱金属 双官能酚的盐在相转移催化剂的存在下反应。 新型树脂可以用作例如薄膜片或用作改善聚苯乙烯的冲击强度的试剂。

    Process for the synthesis of 2,3,3,3-tetrafluoropropene

    公开(公告)号:US11760707B2

    公开(公告)日:2023-09-19

    申请号:US17095777

    申请日:2020-11-12

    摘要: The present invention pertains to a novel process of manufacturing the compound 2,3,3,3-tetrafluoropropene (1234yf). The compound 1234yf is the newest refrigerant with zero OPD (Ozone Depleting Potential) and zero GWP (Global Warming Potential). Thus, the invention relates to a process, involving a carbene generation route, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), of the compound 243db (2,3-dichloro-1,1,1-trifluoropropane), and optionally of the compound 2-chloro-1,1,1-trifluoropropene (1233xf) via carbene route and compound 243db (2,3-dichloro-1,1,1-trifluoropropane). The invention also relates to a process for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), wherein the compound 243db (2,3-dichloro-1,1,1-trifluoropropane) serves as a starting material, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf). Further, the invention relates to a process for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), and of the compound 243db (2,3-dichloro-1,1,1-trifluoropropane), the initial starting materials are selected from the group consisting of com-pound 123 (2,2-dichloro-1,1,1-trifluoroethane), compound 124 (2-chloro-1,1,1,2-tetrafluoroethane), and compound 125 (pentafluoroethane).

    Method for the preparation and use of bis (alkoxysilylorgano)-dicarboxylates
    6.
    发明授权
    Method for the preparation and use of bis (alkoxysilylorgano)-dicarboxylates 有权
    制备和使用双(烷氧基甲硅烷基有机) - 二羧酸酯的方法

    公开(公告)号:US08580886B2

    公开(公告)日:2013-11-12

    申请号:US13310004

    申请日:2011-12-02

    IPC分类号: C08K5/5419 C07F7/18

    摘要: A method for preparing a bis(alkoxysilylorgano)dicarboxylate includes reacting a haloorganoalkoxysilane, a dimetal salt of a dicarboxyl functional compound, and a phase transfer catalyst. A quaternary iminium compound of a polyaza, polycycloalkene is useful as the phase transfer catalyst. The product may be a bis(alkoxysilylalkyl)fumarate, which is useful as a coupling agent in rubber compositions for tire applications.

    摘要翻译: 制备双(烷氧基甲硅烷基有机)二羧酸酯的方法包括使卤代有机烷氧基硅烷,二羧基官能化合物的二盐和相转移催化剂反应。 多氮化合物的季铵化合物,聚环烯烃可用作相转移催化剂。 产物可以是富马酸双(烷氧基甲硅烷基)烷基酯,其可用作轮胎用橡胶组合物中的偶联剂。

    OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT HAVING AXIAL ASYMMETRY, AND METHOD FOR PRODUCING ALPHA-AMINO ACID AND DERIVATIVE THEREOF BY USING THE SAME
    7.
    发明申请
    OPTICALLY ACTIVE QUATERNARY AMMONIUM SALT HAVING AXIAL ASYMMETRY, AND METHOD FOR PRODUCING ALPHA-AMINO ACID AND DERIVATIVE THEREOF BY USING THE SAME 审中-公开
    具有轴向不对称性的光学活性季铵盐,以及通过使用它们生产α-氨基酸及其衍生物的方法

    公开(公告)号:US20120101310A1

    公开(公告)日:2012-04-26

    申请号:US13338313

    申请日:2011-12-28

    IPC分类号: C07C43/225

    摘要: The present invention discloses an optically active quarternary ammonium salt having axial asymmetry and a method for producing an α-amino acid and a derivative thereof using the same. The optically active quarternary ammonium salt having axial asymmetry of the present invention is a chiral phase-transfer catalyst that has a simple structure and that can be produced in a smaller number of process steps. The compound of the present invention is very useful as a phase-transfer catalyst in the synthesis of an α-alkyl-α-amino acid and a derivative thereof as well as an α,α-dialkyl-α-amino acid and a derivative thereof. Therefore, the compound of the present invention can be used in the development of novel foods and pharmaceuticals.

    摘要翻译: 本发明公开了具有轴向不对称性的光学活性季铵盐和使用其制备α-氨基酸及其衍生物的方法。 具有本发明的轴向不对称性的光学活性季铵盐是手性相转移催化剂,其结构简单,可以以较少数量的工艺步骤生产。 本发明的化合物在α-烷基-α-氨基酸及其衍生物以及α,α-二烷基-α-氨基酸及其衍生物的合成中作为相转移催化剂是非常有用的 。 因此,本发明的化合物可用于开发新型食品和药物。

    Novel aminophosphonium compounds
    10.
    发明申请
    Novel aminophosphonium compounds 审中-公开
    新型氨基鏻化合物

    公开(公告)号:US20040029723A1

    公开(公告)日:2004-02-12

    申请号:US10632396

    申请日:2003-08-01

    申请人: Clariant GmbH

    IPC分类号: B01J031/00 C07F009/28

    摘要: The present invention relates to compounds of the formula 1 in which one, two or three of the radicals R1, R2, R3 and R4 are 2 nullNnull(CH2nullCH2nullO)mR5null2, 3 or nullNnull(CH2nullCH2nullN(R7))nR8null2 where m and n are an integer from 1 to 10, R5, R6, R7 and R8 are, independently of one another, identical or different and are a straight-chain or branched alkyl radical having 1 to 10 carbon atoms, and the remaining radical(s) R1 to R4 are 4 or nullNR9R10, where R9 and R10 are identical or different and are a straight-chain or branched alkyl radical having 1 to 10 carbon atoms, and Xnull is an inorganic or organic anion or an equivalent of a multiply charged inorganic or organic anion. The invention further relates to mixtures of substances comprising compounds of the formula (1), to a process for preparing the compounds of the formula (1) and to the use thereof.

    摘要翻译: 本发明涉及下式的化合物,其中R 1,R 2,R 3和R 4中的一个,两个或三个是-N {(CH 2 -CH 2 -O)m R 2,或-N {(CH 2 -CH 2 -N(R 7))n R 8} 2其中m和n是1至10的整数,R 5,R 6, R 7和R 8彼此独立地相同或不同,为具有1至10个碳原子的直链或支链烷基,剩余的R 1至R 1至R R 4是或-NR 9 R 10,其中R 9和R 10相同或不同,是具有1-10个碳原子的直链或支链烷基,且X < >是无机或有机阴离子或等效的多电荷无机或有机阴离子。 本发明还涉及包含式(1)化合物的物质的混合物,与制备式(1)化合物的方法及其用途。