Incorporable photoinitiator
    1.
    发明申请
    Incorporable photoinitiator 有权
    可并入的光引发剂

    公开(公告)号:US20050228062A1

    公开(公告)日:2005-10-13

    申请号:US10512300

    申请日:2003-04-17

    CPC分类号: C08F2/50 B33Y70/00

    摘要: Compounds of formula (I), wherein Y is, for example, C3-C,12alkylene, butenylene, butynylene, or C4-C,12alkylene interrupted one or more times by non-consecutive —O— or —NR2—; R1 is a reactive group selected from OH, SH, NR3R4, —(CO)—OH, —(CO)—NH2, SO3H, —C(R5)═CR6R7, oxiranyl, —O—(CO)—NH—R8—NCO and —O—(CO)—R9—(CO)—X; R2 is hydrogen, C1-C4alkyl or C2-C4 hydroxyalkyl; R3 and R4 are each independently of the other hydrogen, C1-C4alkyl or C2-C4hydroxyalkyl; R5, R6 and R7 are each independently of the others hydrogen or methyl; R8 is, for example, linear or branched C4-C12alkylene, or phenylene; R9 is, for example, linear branched C1-C16alkylene, —CH═CH—, —CH═CH—CH2—, C6-cycloalkylene, phenylene or naphthylene; and X, X1 and X2 are each independently of the others OH, Cl, OCH3 or OC2H5; are suitable as photoinitiators that can be incorporated in a formulation to be cured.

    摘要翻译: 式(I)的化合物,其中Y为例如C 3 -C 12亚烷基,亚丁烯基,亚丁炔基或C 4-14亚烷基, C 1 -C 12亚烷基被非连续的-O-或-NR 2 - 2间隔一次或多次; R 1是选自OH,SH,NR 3 R 4, - (CO)-OH, - (CO) - NH 2,SO 3 H,-C(R 5) - CR 6 R 7, /(CO)-NH-R 8 -NCO和-O-(CO)-R 9 - (CO)-X; R 2是氢,C 1 -C 4烷基或C 2 -C 4烷基或C 2 -C 4 - 羟基烷基; R 3和R 4分别独立地为氢,C 1 -C 4烷基或C 1 -C 4烷基, S 2 -C 4羟烷基; R 5,R 6和R 7各自独立地为氢或甲基; R 8是例如直链或支链C 4 -C 12亚烷基或亚苯基; R 9是例如直链支链C 1 -C 16亚烷基,-CH-CH-,-CH-CH-CH 3, 亚磺酰基,亚苯基或亚萘基; 和X,X 1和X 2各自独立地为OH,Cl,OCH 3或OC 2

    Process for the selective oxidation of alcohols using readily removable nitroxyl radicals
    5.
    发明授权
    Process for the selective oxidation of alcohols using readily removable nitroxyl radicals 失效
    使用易于除去的硝酰基选择性氧化醇的方法

    公开(公告)号:US06441243B1

    公开(公告)日:2002-08-27

    申请号:US09713277

    申请日:2000-11-15

    IPC分类号: C07C4500

    摘要: The invention relates to a process for the selective oxidation of alcohols to ketones or to aldehydes by means of an alkali hypohalite under alkaline conditions, which comprises carrying out the oxidation in the presence of a heterogeneous oxidation catalyst that is insoluble in the reaction medium and is selected from the group comprising the compounds of formula (I) (III), wherein n is a number from 3 to 3000; or a 4-oxy-2,2,6,6-tetramethylpiperidin-1-oxyl that is 4-oxy-bound to a Merrifield polymer. The invention relates also to the compounds of formulae (II) and (III) and to the use of the above-mentioned oxidation catalysts for the oxidation of alcohols.

    摘要翻译: 本发明涉及在碱性条件下通过碱性次卤酸盐将醇选择性氧化成酮或醛的方法,其包括在不溶于反应介质的非均相氧化催化剂存在下进行氧化,并且是 选自包含式(I)(III)的化合物的基团,其中n为3至3000的数; 或与Merrifield聚合物4-氧结合的4-氧-2,2,6,6-四甲基哌啶-1-氧基。 本发明还涉及式(II)和(III)的化合物以及上述氧化催化剂用于醇的氧化的用途。

    Preparation of 2,5-bis(1,1-dimethyl-4-hexyloxycarbonylbutyl)hydroquinone
    6.
    发明授权
    Preparation of 2,5-bis(1,1-dimethyl-4-hexyloxycarbonylbutyl)hydroquinone 失效
    2,5-二(1,1-二甲基-4-己氧基羰基丁基)氢醌的制备

    公开(公告)号:US5659067A

    公开(公告)日:1997-08-19

    申请号:US712720

    申请日:1996-09-12

    CPC分类号: C07C67/347

    摘要: A description is given of a process for the preparation of 2,5-bis(1,1-dimethyl-4-hexyloxycarbonylbutyl)hydroquinone by reacting 5-methyl-4-hexenoic acid (m)ethyl ester, which is obtainable by reacting 2-hydroxy-2-methyl-3-butene with tri(m)ethyl orthoacetate in the presence of an acid catalyst, with hydroquinone according to Friedel-Crafts, and transesterifying the resulting 2,5-bis(1,1-dimethyl-4-(m)ethoxycarbonylbutyl)-hydroquinone product direct with hexanol in a one-pot process.

    摘要翻译: 给出了通过使5-甲基-4-己烯酸(m)乙酯反应制备2,5-双(1,1-二甲基-4-己氧基羰基丁基)氢醌的方法的描述,该方法可通过使2 - 羟基-2-甲基-3-丁烯与三(m)乙基原乙酸乙酯在酸催化剂存在下,使用根据Friedel-Crafts的对苯二酚,并将得到的2,5-二(1,1-二甲基-4- - (m)乙氧基羰基丁基) - 氢醌产物直接与己醇在一锅法中。

    Process for Preparing Acylphosphanes and Their Oxides and Sulphides

    公开(公告)号:US20080071115A1

    公开(公告)日:2008-03-20

    申请号:US11795059

    申请日:2006-01-09

    IPC分类号: C07F9/28

    摘要: A process for the preparation of bis-acylphosphanes of formula R1P(COR )2 wherein R1 is unsubstituted phenyl or phenyl substituted by one to five halogen, C1-C8-alkyl, C1-C8-alkylthio and/or C1-C8-alkoxy; R2 is C1-C18-alkyl or C2-C18-alkenyl; C1-C18-alkyl or C2-C18-alkenyl substituted once or more than once by halogen —OR10, —OCO—R10, —OCO-Hal, —COO—R10, —N(R11)—CO—R10, —N(R11)—CO-Hal, —CO—NR11R10, —CH═CH—CO—OR10 or —CH═CH-phenyl; —C(C1-C4alkyl)=C(C1-C4alkyl)-CO—OR10 or —C(C1-C4alkyl)=(C1-C4alkyl)-phenyl; C5-C12cycloalkyl, C2-C18alkenyl, phenyl-C1-C4alkenyl, phenyl, naphthyl, biphenyl or a 5- or 6-membered -0-, S— or N-containing heterocyclic ring, the radicals phenyl, naphthyl, biphenyl or the 5- or 6-membered -0-, S— or N-containing heterocyclic ring being unsubstituted or substituted by one to five halogen, C1-C8alkyl, C1-C8alkoxy and/or C1-C8alkylthio; the process comprises the steps in a) selective reduction of dichlorophenylphosphanes of the formula R1P(Cl)2 by means of hydrogen at a temperature in the range from 20 to 200° C. and under hydrogen pressure of atmospheric pressure to 20 bar in the presence of a hydrogenation catalyst, a tert. aliphatic amine or an aromatic amine and in the presence of a non protic solvent which is unreactive under the hydrogenation conditions to obtain cyclic phenylphosphanes (R1P)n (n=4 to 6); or b) selective reduction of R1P(Cl)2 by means of hydrogen at a temperature in the range from 80 to 250° C. and under hydrogen pressure of 25 to 250 bar in the presence of a hydrogenation catalyst, a tert. aliphatic amine or an aromatic amine and in the presence of a non protic solvent which is unreactive under the hydrogenation conditions to obtain R1PH2; c) subsequent reaction with an acid halide of formula in the presence of an apropriate base R2COHal wherein R2 is as defined above.

    Process for the selective oxidation of alcohols using readily removable nitroxyl radicals
    8.
    发明授权
    Process for the selective oxidation of alcohols using readily removable nitroxyl radicals 失效
    使用易于除去的硝酰基选择性氧化醇的方法

    公开(公告)号:US06660860B2

    公开(公告)日:2003-12-09

    申请号:US10164768

    申请日:2002-06-07

    IPC分类号: C07F906

    摘要: The invention relates to a process for the selective oxidation of alcohols to ketones or to aldehydes by means of an alkali hypohalite under alkaline conditions, which comprises carrying out the oxidation in the presence of a heterogeneous oxidation catalyst that is insoluble in the reaction medium and is selected from the group comprising the compounds of formula (I) wherein n is a number from 3 to 3000; or a 4-oxy-2,2,6,6-tetramethylpiperidin-1-oxyl that is 4-oxy-bound to a Merrifield polymer. The invention relates also to the compounds of formulae (II) and (III) and to the use of the above-mentioned oxidation catalysts for the oxidation of alcohols.

    摘要翻译: 本发明涉及在碱性条件下通过碱性次卤酸盐将醇选择性氧化成酮或醛的方法,其包括在不溶于反应介质的非均相氧化催化剂存在下进行氧化,并且是 选自包含其中n为3至3000的数的式(I)化合物的基团; 与Merrifield聚合物4-氧结合的4-氧基-2,2,6,6-四甲基哌啶-1-氧基。本发明还涉及式(II)和(III)的化合物及其用途 的上述用于氧化醇的氧化催化剂。