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10 条记录 (耗时 0.017 秒)

    Process for the preparation of hydroxybenzaldehydes
    2.
    发明授权
    Process for the preparation of hydroxybenzaldehydes 失效
    制备羟基苯甲醛的方法

    公开(公告)号：US4584410A

    公开(公告)日：1986-04-22

    申请号：US670847

    申请日：1984-11-13

    申请人： Kazuhiko Hamada ,  Gohfu Suzukamo ,  Fujio Masuko ,  Makoto Nakamura

    发明人： Kazuhiko Hamada ,  Gohfu Suzukamo ,  Fujio Masuko ,  Makoto Nakamura

    IPC分类号： C07C47/565 ,  B01J31/02 ,  C07B61/00 ,  C07C45/00 ,  C07C45/45

    CPC分类号： C07C45/008

    摘要： In a Reimer-Tiemann reaction for the preparation of a mixture of two hydroxybenzaldehydes (i.e., salicylaldehyde and p-hydroxybenzaldehyde) by reacting phenol with chloroform and an aqueous alkali solution in a heterogeneous system, the two hydroxybenzaldehydes can be prepared in a controlled formation ratio, yield and reaction rate depending upon the conditions used when the reaction is carried out in the presence of a phase transfer catalyst selected from the group consisting of a cationic type phase transfer catalyst, an amphoteric type phase transfer catalyst and an anionic type phase transfer catalyst.

    摘要翻译： 在通过使苯酚与氯仿和非均相体系中的碱性水溶液反应制备两种羟基苯甲醛（即水杨醛和对羟基苯甲醛）的混合物的Reimer-Tiemann反应中，两种羟基苯甲醛可以以受控的形成比 ，产率和反应速率取决于反应在相转移催化剂存在下使用的条件，所述相转移催化剂选自阳离子型相转移催化剂，两性相转移催化剂和阴离子型相转移催化剂 。

    Cross-linked pullulan
    3.
    发明授权
    Cross-linked pullulan 失效
    交联支链淀粉

    公开(公告)号：US4152170A

    公开(公告)日：1979-05-01

    申请号：US695762

    申请日：1976-06-14

    申请人： Tsuneyuki Nagase ,  Kozo Tsuji ,  Masanori Fujimoto ,  Fujio Masuko

    发明人： Tsuneyuki Nagase ,  Kozo Tsuji ,  Masanori Fujimoto ,  Fujio Masuko

    IPC分类号： C08B37/00 ,  C08L5/00

    CPC分类号： C08B37/0018

    摘要： Cross-linked pullulans are obtained by the reaction of pullulan with a cross-linking agent selected from the group consisting of polycarboxylic acids, halogenated dicarboxylic acids, polycarboxylic anhydrides, aldehyde compounds, N-methylol compounds, isocyanate compounds, metaphosphoric acid salts, divinyl compounds, bis-aziridine and bifunctional compounds of the formula,X--R--Zwherein X and Z are each a halogen atom or an epoxy group and R is an aliphatic residue having 1 to 30 carbon atoms, in a solvent, and are useful as gels or beds for chromatography or in various fields requiring high degrees of water absorbency and retention.

    摘要翻译： 通过支链淀粉与选自多元羧酸，卤代二羧酸，多羧酸酐，醛化合物，N-羟甲基化合物，异氰酸酯化合物，偏磷酸盐，二乙烯基化合物的交联剂的反应获得交联的起始链优化 ，双氮丙啶和下式的双官能化合物XRZ，其中X和Z各自为卤素原子或环氧基，R为具有1至30个碳原子的脂族残基，并且可用作凝胶或床 色谱法或需要高吸水度和保留度的各种领域。

    Continuous process for producing 5-vinyl-2-norbornene
    4.
    发明授权
    Continuous process for producing 5-vinyl-2-norbornene 失效
    连续生产5-乙烯基-2-降冰片烯的方法

    公开(公告)号：US4777309A

    公开(公告)日：1988-10-11

    申请号：US104516

    申请日：1987-09-29

    申请人： Kazuo Kimura ,  Masahiro Usui ,  Fujio Masuko

    发明人： Kazuo Kimura ,  Masahiro Usui ,  Fujio Masuko

    IPC分类号： C07C1/00 ,  C07C2/50 ,  C07C7/20 ,  C07C13/43 ,  C07C67/00 ,  C07C3/00

    CPC分类号： C07C7/20 ,  C07C2/50 ,  C07C2102/42

    摘要： A continuous process for producing 5-vinyl-2-norbornene, useful as the raw material of 5-ethylidene-2-norbornene used as a termonomer for EPDM, from a mixture of cyclopentadiene and butadiene or from a mixture of cyclopentadiene and dicyclopentadiene and butadiene by the Diels-Alder reaction which process comprises adding from 10 to 10,000 ppm of N,N-diethylhydroxylamine or 4-oxo-2,2,6,6-tetramethylpiperidine-1-oxyl relative to the total weight of cyclopentadiene and butadiene or of a mixture of cyclopentadiene and dicyclopentadiene and butadiene, continuously introducing the resulting mixture into a pressure reaction vessel, allowing them to react in the absence of any gas phase portion within the said pressure reaction vessel, and continuously withdrawing the reaction product.

    摘要翻译： 从环戊二烯和丁二烯的混合物或环戊二烯和二环戊二烯与丁二烯的混合物生产5-乙烯基-2-降冰片烯的连续方法，其用作EPDM的三元共聚物的5-亚乙基-2-降冰片烯的原料 通过Diels-Alder反应，该方法包括相对于环戊二烯和丁二烯的总重量加入10至10,000ppm的N，N-二乙基羟胺或4-氧代-2,2,6,6-四甲基哌啶-1-氧基，或 环戊二烯和二环戊二烯和丁二烯的混合物，将所得混合物连续引入压力反应容器中，使它们在所述压力反应容器内不存在任何气相部分的情况下反应，并连续地抽出反应产物。

    Process for preparing 5-ethylidene-2-norbornene with high quality
    5.
    发明授权
    Process for preparing 5-ethylidene-2-norbornene with high quality 失效
    高品质制备5-亚乙基-2-降冰片烯的方法

    公开(公告)号：US4727204A

    公开(公告)日：1988-02-23

    申请号：US943067

    申请日：1986-12-18

    申请人： Gohfu Suzukamo ,  Masami Fukao ,  Fujio Masuko ,  Masahiro Usui ,  Kazuo Kimura

    发明人： Gohfu Suzukamo ,  Masami Fukao ,  Fujio Masuko ,  Masahiro Usui ,  Kazuo Kimura

    IPC分类号： B01J23/04 ,  C07C5/25

    CPC分类号： B01J23/04 ,  C07C5/2556

    摘要： 5-Ethylidene-2-norbornene with high quality is effectively prepared by isomerization 5-vinyl-2-norbornene containing 1 ppm to 0.5% by weight of 4-vinylcyclohexene in the presence of at least one catalyst selected from the group consisting of a solid base catalyst which is prepared by reacting alumina, an alkali metal hydroxide and an alkali metal in a temperature range of 200.degree. to 500.degree. C. and a solid base catalyst which is prepared by reacting water-containing alumina and an alkali metal in such an amount that exceeds a molar equivalent of water contained in alumina at a temperature in a range between a melting point of the alkali metal and 500.degree. C. in an inert gas atmosphere.

    摘要翻译： 在至少一种选自固体的催化剂存在下，通过异构化含有1ppm至0.5重量％的4-乙烯基环己烯的5-乙烯基-2-降冰片烯有效地制备了高质量的5-亚乙基-2-降冰片烯 碱催化剂，其通过使氧化铝，碱金属氢氧化物和碱金属在200〜500℃的温度范围内反应而制备，固体碱催化剂是通过使含水氧化铝和碱金属在这种 在惰性气体气氛下，在碱金属的熔点和500℃之间的温度范围内，超过摩尔当量的氧化铝中的水分。

    Synthesis of substituted phenylacetic acid
    6.
    发明授权
    Synthesis of substituted phenylacetic acid 失效
    取代苯乙酸的合成

    公开(公告)号：US4220592A

    公开(公告)日：1980-09-02

    申请号：US923351

    申请日：1978-07-10

    申请人： Keiji Kagawa ,  Naoya Kanda ,  Fujio Masuko ,  Hirotoshi Nakanishi

    发明人： Keiji Kagawa ,  Naoya Kanda ,  Fujio Masuko ,  Hirotoshi Nakanishi

    IPC分类号： C07D317/60 ,  C07C51/00 ,  C07C51/08 ,  C07C57/58 ,  C07C67/00

    CPC分类号： C07C51/08

    摘要： A substituted acetonitrile such as .alpha.-isopropyl-p-chlorophenylacetonitrile is hydrolyzed using an acid to produce the corresponding substituted phenylacetic acid such as .alpha.-isopropyl-p-chlorophenylacetic acid in such a manner that, in a lot in any one hydrolysis reaction, (1) the hydrolysis is carried out in at least two steps, (2) an acid to be used in a subsequent first reaction step is a waste acid produced in a previous second reaction step and the subsequent reaction step(s) thereof if any, and (3) an acid to be used in a second reaction step and the subsequent reaction step(s) if any, is the waste acid produced in a previous second reaction step and subsequent reaction step(s), respectively, and a fresh acid.

    摘要翻译： 使用酸水解取代的乙腈如α-异丙基 - 对氯苯基乙腈，以产生相应的取代的苯乙酸如α-异丙基 - 对氯苯基乙酸，使得在任何一个水解反应中很多（ 1）在至少两个步骤中进行水解，（2）在随后的第一反应步骤中使用的酸是在之前的第二反应步骤中产生的废酸及其随后的反应步骤（如果有的话） 和（3）在第二反应步骤和随后的反应步骤（s）中使用的酸分别是在之前的第二反应步骤和随后的反应步骤中产生的废酸和新鲜酸 。

    Synthesis of amine derivatives
    7.
    发明授权
    Synthesis of amine derivatives 失效
    胺衍生物的合成

    公开(公告)号：US4536599A

    公开(公告)日：1985-08-20

    申请号：US90479

    申请日：1979-11-01

    申请人： Fujio Masuko ,  Tadashi Katsura

    发明人： Fujio Masuko ,  Tadashi Katsura

    IPC分类号： C07C231/06 ,  C07C233/00 ,  C07C255/32 ,  C07C102/00 ,  C07C87/28

    CPC分类号： C07C231/06 ,  C07C233/00 ,  C07C255/00

    摘要： An amine of the formula, ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are each hydrogen, alkyl or the like and n is 1, 2 or 3, including .alpha.-phenyl-.beta.-(p-tolyl)-ethylamine, which is useful as an optically resolving agent, an intermediate of medicines and the like, is effectively produced by a novel process comprising hydrolysis of the corresponding nitrile of the formula, ##STR2## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and n are the same as above, followed by alkali-decomposition of the resulting amide of the formula, ##STR3## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and n are the same as above. An amide including the above one is effectively produced by hydrolysis of the corresponding nitrile in the presence of a base and hydrogen peroxide using an organic quaternary ammonium salt and/or a tertiary amine as a catalyst.

    摘要翻译： 其中R 1，R 2，R 3，R 4和R 5各自为氢，烷基等，n为1,2或3，包括α-苯基-β-（对甲苯基） - 乙胺 ，其可用作光学拆分剂，药物中间体等，通过包括水解相应的腈的新方法，其中R1，R2，R3，R4，R5和n 与上述相同，然后将所得到的式的酰胺碱分解，其中R1，R2，R3，R4，R5和n与上述相同。 包括上述酰胺的酰胺通过使用有机季铵盐和/或叔胺作为催化剂在碱和过氧化氢的存在下水解相应的腈而有效地产生。

    Recovery of catalyst
    8.
    发明授权
    Recovery of catalyst 失效
    回收催化剂

    公开(公告)号：US4172782A

    公开(公告)日：1979-10-30

    申请号：US907346

    申请日：1978-05-18

    申请人： Fujio Masuko ,  Hiroshi Yamachika ,  Kazuhiko Fujiyoshi ,  Katsuyuki Shiota

    发明人： Fujio Masuko ,  Hiroshi Yamachika ,  Kazuhiko Fujiyoshi ,  Katsuyuki Shiota

    IPC分类号： B01J31/00 ,  B01J31/02 ,  B01J31/40 ,  B01D11/04

    CPC分类号： B01J31/40 ,  B01J31/0235 ,  B01J31/0239 ,  B01J2231/4205

    摘要： An organic quaternary ammonium salt used as a catalyst in a reaction between a benzylnitrile and a halide in the presence of an alkali to obtain an .alpha.-alkyl- or .alpha.-phenyl-benzylnitrile, is recovered effectively from the reaction solution containing the .alpha.-alkyl- or .alpha.-phenyl-benzylnitrile, the alkali and the catalyst, by adding water to the reaction solution to make the alkali concentration of the water layer 10% by weight or below, and then separating the water layer containing the organic quaternary ammonium salt from the oil layer containing the .alpha.-alkyl- or .alpha.-phenyl-benzylnitrile.

    摘要翻译： 在碱存在下在苄腈和卤化物之间的反应中用作催化剂以获得α-烷基 - 或α-苯基 - 苄腈的有机季铵盐从含有α-烷基或α-苯基 - 苄基腈的反应溶液中有效回收 - 或α-苯基 - 苄基腈，碱和催化剂，通过向反应溶液中加入水以使水层的碱浓度为10重量％以下，然后将含有有机季铵盐的水层从 含有α-烷基 - 或α-苯基 - 苄基腈的油层。