Process for the manufacture of optically active compounds
    1.
    发明授权
    Process for the manufacture of optically active compounds 失效
    光学活性化合物的制造方法

    公开(公告)号:US4578462A

    公开(公告)日:1986-03-25

    申请号:US525529

    申请日:1983-08-22

    摘要: The manufacture of optically active bifunctional compounds of the general formula ##STR1## wherein R represents protected hydroxymethyl, protected formyl or alkoxycarbonyl and R.sup.1 represents a group of the formula ##STR2## or --CH.sub.2 --CH.dbd.NR.sup.2 in which R.sup.2 and R.sup.3 represent lower alkyl or cycloalkyl or R.sup.2 and R.sup.3 together with the nitrogen atom represent a heterocyclic ring,by isomerizing compounds of the general formula ##STR3## wherein R, R.sup.2 and R.sup.3 have the above significance and R.sup.3 can additionally signify hydrogen,is described.The compounds of formula I are potential intermediates in the manufacture of, inter alia, natural vitamin E and natural vitamin K.sub.1.

    摘要翻译: 制备通式为“IMAGE”I的光学活性双官能化合物,其中R表示被保护的羟甲基,受保护的甲酰基或烷氧基羰基,R 1表示下式的基团:其中R 2和R 3表示较低的式“IMAGE”或-CH 2 -CH = NR 2 烷基或环烷基或R 2和R 3与氮原子一起表示杂环,通过异构化通式为II,其中R,R 2和R 3具有上述含义并且R 3可以另外表示氢的化合物。 式I化合物是天然维生素E和天然维生素K1的制造中的潜在中间体。

    Phosphorus compounds
    3.
    发明授权
    Phosphorus compounds 失效
    磷化合物

    公开(公告)号:US4556740A

    公开(公告)日:1985-12-03

    申请号:US524714

    申请日:1983-08-19

    摘要: Novel chiral phosphorus compounds of the general formula ##STR1## wherein R signifies substituted or unsubstituted phenyl, R.sup.1 and R.sup.2, which can be the same or different, signify hydrogen, lower alkyl, lower alkoxy, di-lower alkylamino or protected hydroxymethyl or R.sup.1 and R.sup.2 together signify the group ##STR2## in which m represents a number 3 to 5, R.sup.4 represents lower alkyl, substituted or unsubstituted phenyl or benzyl and R.sup.5 represents lower alkyl or both R.sup.5 's together represent lower alkylene, R.sup.3 signifies methyl, lower alkoxy, di-lower alkylamino or fluorine and n signifies the number 0, 1, 2 or 3, are described.The compounds of formula I are useful in the form of complexes with a metal of Group VIII as catalysts for asymmetric hydrogenations and enantioselective hydrogen displacements in prochiral allylic systems.

    摘要翻译: 新的通式为其中R表示取代或未取代的苯基的手性磷化合物,R 1和R 2可以相同或不同,表示氢,低级烷基,低级烷氧基,二低级烷基氨基或被保护的羟甲基或R 1 R 2代表低级烷基,取代或未取代的苯基或苄基,R 5代表低级烷基或两者,R 5一起代表低级亚烷基,R 3表示 甲基,低级烷氧基,二低级烷基氨基或氟,n表示数字0,1,2或3。 式I的化合物可用于与第VIII族金属的络合物作为非手性氢化的催化剂和前手性烯丙基体系中的对映选择性氢置换的形式。

    Multiple insertion head
    5.
    发明申请
    Multiple insertion head 有权
    多插头

    公开(公告)号:US20060048378A1

    公开(公告)日:2006-03-09

    申请号:US10541352

    申请日:2004-01-19

    IPC分类号: B23P19/00

    摘要: The invention relates to a multiple insertion head for mounting components (300) onto substrates, said insertion head comprising a carrier (200) which is arranged in such a way that it can rotate about a rotational axis (D) and is provided with a plurality of receiving tools (210) that are arranged in such a way that they can be displaced in a mounting direction at an angle to the rotational axis (D), said receiving tools being used to receive the components (300). Each receiving tool (210) is provided with at least one active drive and/or sensor, ensuring that the components (300) are rapidly positioned with the highest precision.

    摘要翻译: 本发明涉及一种用于将部件(300)安装到基板上的多重插入头,所述插入头包括载体(200),所述载体(200)可以绕旋转轴线(D)旋转,并且设置有多个 的接收工具(210),所述接收工具(210)被布置成使得它们能够以与旋转轴线(D)成一定角度的安装方向移位,所述接收工具用于接收部件(300)。 每个接收工具(210)设置有至少一个主动驱动器和/或传感器,确保组件(300)以最高精度快速定位。

    Process for the manufacture of bisphosphine oxide and bisphosphonate
compounds
    7.
    发明授权
    Process for the manufacture of bisphosphine oxide and bisphosphonate compounds 有权
    制备双氧化膦和二膦酸盐化合物的方法

    公开(公告)号:US6162929A

    公开(公告)日:2000-12-19

    申请号:US212646

    申请日:1998-12-15

    摘要: A process for the manufacture of bisphosphine oxide compounds and bisphosphonates as intermediates for the production of bisphosphine ligands, in which in a single step processa) a phosphine oxide compound is reacted in an organic solvent at -70.degree. C. to 20.degree. C. with 0.5-3 eq. of a lithium or magnesium amide compound,b) 0.5-3 eq. of oxidatively-acting metal salt or metal salt complex are added to the suspension obtained in stage a) in a temperature range of -70.degree. C. to 20.degree. C., with a racemate of a bisphosphine oxide compound being obtained;c) a racemate cleavage is carried out if desired; andd) the bisphosphonates obtained in stage b) or c) are converted into bisphosphine oxides.

    摘要翻译: 制造双膦化合物和双膦酸盐作为生产双膦配体的中间体的方法,其中在一步法中a)将氧化膦化合物在-70℃至20℃的有机溶剂中反应。 用0.5-3当量 的锂或镁酰胺化合物,b)0.5-3当量 的氧化作用金属盐或金属盐络合物在-70℃至20℃的温度范围内加入到a)中得到的悬浮液中,得到双氧化膦化合物的外消旋物; c)如果需要,进行外消旋裂解; 和d)在步骤b)或c)中获得的二膦酸盐转化为双氧化膦。

    Chiral phosphines
    9.
    发明授权
    Chiral phosphines 失效
    手性膦

    公开(公告)号:US5302738A

    公开(公告)日:1994-04-12

    申请号:US949878

    申请日:1992-11-13

    摘要: Novel, racemic and optically active phosphorus compounds of the formula ##STR1## wherein R signifies lower alkyl, lower alkoxy or protected hydroxy, R.sup.1 signifies lower alkoxy, phenoxy, benzyloxy, chlorine or bromine, R.sup.2 stands for lower alkyl or lower alkoxy and n represents the number 0, 1 or 2, are described. These compounds are valuable intermediates in the manufacture of not only known, but also novel diphosphine ligands.

    摘要翻译: PCT No.PCT / CH92 / 00050 Sec。 371日期:1992年11月13日 102(e)日期1992年11月13日PCT 1992年3月12日PCT公布。 公开号WO92 / 16535 日期:1992年10月1日。式(*化学结构*)I的新型外消旋和光学活性磷化合物其中R表示低级烷基,低级烷氧基或被保护的羟基,R1表示低级烷氧基,苯氧基,苄氧基,氯或溴, R2代表低级烷基或低级烷氧基,n代表数字0,1或2。 这些化合物是制造不仅已知但又新颖的二膦配体的有价值的中间体。

    Manufacture of tocopheryl acetate
    10.
    发明申请
    Manufacture of tocopheryl acetate 审中-公开
    醋酸生育酚的制造

    公开(公告)号:US20070112206A1

    公开(公告)日:2007-05-17

    申请号:US11639029

    申请日:2006-12-13

    IPC分类号: C07D311/02

    摘要: A process for the manufacture of 3-phytyl-2,5,6-trimethylhydroquinone-1-acetate, and optionally therefrom tocopheryl acetate, comprises either C-alkylating 2,3,6-trimethylhydroquinone-1-acetate with isophytol or phytol in the presence of a sulphur(VI) containing catalyst of the formula R1SO2OH, wherein R1 signifies hydroxy, halogen, lower alkyl, halogenated lower alkyl or aryl, in an aprotic organic solvent, or O-alkylating 2,3,6-trimethylhydroquinone-1-acetate with a phytyl halide in a polar aprotic organic solvent in the presence of a base, and subjecting the so-obtained 4-O-phytyl-2,3,6-trimethylhydro-quinone-1-acetate to a rearrangement reaction, and in each case optionally submitting the so-obtained 3-phytyl-2,5,6-trimethylhydroquinone-1-acetate to a ring closure reaction to produce tocopheryl acetate. The invention also includes the novel compound 3-phytyl-2,5,6-trimethylhydroquinone-1-acetate and certain stereoisomers thereof, and also the further novel compound 4-hydroxy-2,3,6-trimethyl-5-[3-(4,8,12-trimethyltridecyl)-but-3-enyl]phenyl acetate which itself is one of several isomers of 3-phytyl-2,5,6-trimethylhydroquinone-1-acetate formed by isomerization under the influence of heating, e.g. during its distillation as part of the isolation and purification procedure following its manufacture as indicated above. (All-rac)-α-tocopherol, which may be derived from its acetate, is known to be the most active industrially important member of the vitamin E group.

    摘要翻译: 制备3-植酰基-2,5,6-三甲基氢醌-1-乙酸酯和任选地由其生产生物聚乙酸乙酯的方法包括将2,3,6-三甲基氢醌-1-乙酸酯与间苯二酚或植醇的C-烷基化 含有式R 1 SO 2 OH的含硫(VI)催化剂的存在,其中R 1表示羟基,卤素,低级烷基, 卤代低级烷基或芳基,在非质子有机溶剂中,或在极性非质子有机溶剂中,在碱的存在下,用苄基卤与烷基卤反应,并将如此得到的 4-O-植酰基-2,3,6-三甲基氢醌-1-乙酸酯进行重排反应,并且在每种情况下任选地将如此获得的3-植酰基-2,5,6-三甲基氢醌-1-乙酸酯加入到 产生生育酚乙酸酯的闭环反应。 本发明还包括新型化合物3-植酰基-2,5,6-三甲基氢醌-1-乙酸酯及其某些立体异构体,以及另外的新化合物4-羟基-2,3,6-三甲基-5- [3- (4,8,12-三甲基十三烷基) - 丁-3-烯基]苯基乙酸酯,其本身是在加热的影响下通过异构化形成的3-植酰基-2,5,6-三甲基氢醌-1-乙酸酯的几种异构体之一, 例如 在其蒸馏期间作为如上所述的其制造之后的分离和纯化方法的一部分。 (全 - 外消旋)-α-生育酚可以衍生自其乙酸酯已知是维生素E组中最活跃的工业上重要的成员。