Process for the purification of hydroxypivalyl hydroxypivalate
    1.
    发明授权
    Process for the purification of hydroxypivalyl hydroxypivalate 失效
    羟基戊酸羟脯氨酸的纯化方法

    公开(公告)号:US5209827A

    公开(公告)日:1993-05-11

    申请号:US743639

    申请日:1991-08-12

    IPC分类号: C07C67/54 C07C69/675

    CPC分类号: C07C67/54

    摘要: Disclosed is a process for the recovery of purified hydroxypivalyl hydroxypivalate (HPHP) from a crude, HPHP containing material containing inorganic catalyst residues and low-boiling and high-boiling (with respect to the boiling point of HPHP) impurities. The purification process employs two distillation zones, a first distillation zone wherein inorganic and high-boiling impurities are removed and a second distillation zone wherein low- and high-boiling impurities are removed.

    摘要翻译: 公开了一种从含有无机催化剂残留物和低沸点和高沸点(相对于HPHP沸点)杂质的粗制含HPHP的材料中回收纯化的羟基新戊酸羟基新戊酸酯(HPHP)的方法。 净化过程使用两个蒸馏区,其中去除无机和高沸点杂质的第一蒸馏区和除去低沸点和高沸点杂质的第二蒸馏区。

    Continuous process for the recovery of 2 ethylhexanal and a tertiary
amine from a mixture comprising 2-ethyl-2-(hydroxymethyl) hexanal,
2-ethylhexanal, tertiary amine and water
    2.
    发明授权
    Continuous process for the recovery of 2 ethylhexanal and a tertiary amine from a mixture comprising 2-ethyl-2-(hydroxymethyl) hexanal, 2-ethylhexanal, tertiary amine and water 失效
    从包含2-乙基-2-(羟甲基)己醛,2-乙基己醛,叔胺和水的混合物中回收2-乙基己醛和叔胺的连续方法

    公开(公告)号:US5177267A

    公开(公告)日:1993-01-05

    申请号:US886917

    申请日:1992-05-22

    IPC分类号: C07C31/20 C07C45/75

    CPC分类号: C07C31/20 C07C45/75

    摘要: Disclosed is a continuous process for the manufacture of 2-ethyl-2-(hydroxymethyl)hexanal wherein 2-ethylhexanal, formaldehyde and a tertiary amine are continuously fed to a reaction zone and crude product comprising an aqueous phase and an organic phase containing 2-ethyl-2-(hydroxymethyl)hexanal and 2-ethylhexanal is continuously removed from the reaction zone. Also disclosed are processes for (1) the azeotropic distillation of the organic phase of the crude product whereby unreacted 2-ethylhexanal is recovered and (2) the catalytic hydrogenation of the refined, organic phase of the crude product to produce 2-butyl-2-ethyl-1,3-propanediol.

    摘要翻译: 公开了用于制备2-乙基-2-(羟甲基)己醛的连续方法,其中将2-乙基己醛,甲醛和叔胺连续加入到反应区中,粗产物包含水相和含2- 乙基-2-(羟甲基)己醛和2-乙基己醛从反应区连续除去。 还公开了(1)粗产物的有机相的共沸蒸馏的方法,由此回收未反应的2-乙基己醛和(2)粗产物的精制有机相的催化氢化,得到2-丁基-2 - 乙基-1,3-丙二醇。

    Preparation of .alpha.,.beta.-aldehydes by aldol condensation
    4.
    发明授权
    Preparation of .alpha.,.beta.-aldehydes by aldol condensation 失效
    通过醛醇缩合制备α,β-醛

    公开(公告)号:US4316990A

    公开(公告)日:1982-02-23

    申请号:US201954

    申请日:1980-10-29

    申请人: Don L. Morris

    发明人: Don L. Morris

    IPC分类号: C07C45/74 C07C45/72 C07C47/20

    CPC分类号: C07C45/74

    摘要: In the present invention aliphatic aldehydes are condensed to form .alpha.,.beta.-unsaturated aldehydes by use of a heterogeneous catalyst. Such process uses an anatase titanium dioxide catalyst in a fixed bed process under mild temperature conditions to yield high conversions and high yields, and which also eliminates the catalyst removal steps required by conventional processes.

    摘要翻译: 在本发明中,通过使用非均相催化剂将脂族醛缩合形成α,β-不饱和醛。 这种方法在温和条件下在固定床工艺中使用锐钛型二氧化钛催化剂,以产生高转化率和高产率,并且还消除了常规方法所需的催化剂去除步骤。

    Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl)
hexanal and 2-butyl-2-theyl-1,3-propanediol
    5.
    发明授权
    Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl) hexanal and 2-butyl-2-theyl-1,3-propanediol 失效
    用于制备2-乙基-2-(羟甲基)己醛和2-丁基-2-己基-1,3-丙二醇的连续方法

    公开(公告)号:US5146004A

    公开(公告)日:1992-09-08

    申请号:US735575

    申请日:1991-07-25

    CPC分类号: C07C31/20 C07C45/75

    摘要: Disclosed is a continuous process for the manufacture of 2-ethyl-2-(hydroxymethyl)hexanal wherein 2-ethylhexanal, formaldehyde and a tertiary amine are continuously fed to a reaction zone and crude product comprising an aqueous phase and an organic phase containing 2-ethyl-2-(hydroxymethyl)hexanal and 2-ethylhexanal is continuously removed from the reaction zone. Also disclosed are processes for (1) the azeotropic distillation of the organic phase of the crude product whereby unreacted 2-ethylhexanal is recovered and (2) the catalytic hydrogenation of the refined, organic phase of the crude product to produce 2-butyl-2-ethyl-1,3-propanediol.

    摘要翻译: 公开了用于制备2-乙基-2-(羟甲基)己醛的连续方法,其中将2-乙基己醛,甲醛和叔胺连续加入到反应区中,粗产物包含水相和含2- 乙基-2-(羟甲基)己醛和2-乙基己醛从反应区连续除去。 还公开了(1)粗产物的有机相的共沸蒸馏的方法,由此回收未反应的2-乙基己醛和(2)粗产物的精制有机相的催化氢化,得到2-丁基-2 - 乙基-1,3-丙二醇。

    Oxidation of polyethylene glycols to dicarboxylic acids
    6.
    发明授权
    Oxidation of polyethylene glycols to dicarboxylic acids 失效
    聚乙二醇氧化成二羧酸

    公开(公告)号:US4256916A

    公开(公告)日:1981-03-17

    申请号:US66759

    申请日:1979-08-15

    CPC分类号: C07C51/235

    摘要: Polyethylene glycols of the typeHOCH.sub.2 CH.sub.2 O(CH.sub.2 CH.sub.2 O).sub.n CH.sub.2 CH.sub.2 OHwherein n is an integer of from 0 to 5, can be converted to the corresponding dicarboxylic acids of the formulaHOOCCH.sub.2 O(CH.sub.2 CH.sub.2 O).sub.n CH.sub.2 COOHwherein n is as previously defined, by oxidation in an aqueous solution over a fixed bed catalyst consisting of platinum on a granular carbon support.

    摘要翻译: 其中n为0至5的整数的HOCH 2 CH 2 O(CH 2 CH 2 O)n CH 2 CH 2 OH类型的聚乙二醇可以通过水溶液中的氧化转化成式HOOCCH2O(CH2CH2O)nCH2COOH的相应二羧酸,其中n如前所定义 在由颗粒碳载体上的铂组成的固定床催化剂上。

    Catalytic rearrangement of cyclic acetals to carboxylic esters
    7.
    发明授权
    Catalytic rearrangement of cyclic acetals to carboxylic esters 失效
    环状缩醛催化重排羧酸酯

    公开(公告)号:US4131739A

    公开(公告)日:1978-12-26

    申请号:US814562

    申请日:1977-07-11

    申请人: Don L. Morris

    发明人: Don L. Morris

    IPC分类号: C07C51/00 C07C69/66

    CPC分类号: C07C51/00

    摘要: Cyclic acetals are rearranged to form isomeric carboxylic acid esters according to the following formula: ##STR1## wherein R is an alkyl, alkenyl, or aromatic moiety containing 1 to 12 carbon atoms;AndR' is an alkyl or alkenyl moiety containing 1 to 12 carbon atoms;In the presence of a catalyst consisting of a metal selected from the group Ru, Rh, Pd, Os, Ir or Pt supported on carbon.

    摘要翻译: 重整环状缩醛以形成根据下式的异构羧酸酯:其中R是含有1至12个碳原子的烷基,烯基或芳族部分; 且R'是含有1至12个碳原子的烷基或烯基部分; 在由碳组成的Ru,Rh,Pd,Os,Ir或Pt族中选出的金属的催化剂存在下。

    Continuous process for the preparation of
2-ethyl-2-(hydroxymethyl)hexanal and 2-butyl-2-ethyl-1, 3-propanediol
    8.
    发明授权
    Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl)hexanal and 2-butyl-2-ethyl-1, 3-propanediol 失效
    用于制备2-乙基-2-(羟甲基)己醛和2-丁基-2-乙基-1,3-丙二醇的连续方法

    公开(公告)号:US5235118A

    公开(公告)日:1993-08-10

    申请号:US937039

    申请日:1992-08-31

    IPC分类号: C07C31/20 C07C45/75

    CPC分类号: C07C31/20 C07C45/75

    摘要: Disclosed is a continuous process for the manufacture of 2-ethyl-2-(hydroxymethyl)hexanal wherein 2-ethylhexanal, formaldehyde and a tertiary amine are continuously fed to a reaction zone and crude product comprising an aqueous phase and an organic phase containing 2-ethyl-2-(hydroxymethyl)hexanal and 2-ethylhexanal is continuously removed from the reaction zone Also disclosed are processes for (1) the azeotropic distillation of the organic phase of the crude product whereby unreacted 2-ethylhexanal is recovered and (2) the catalytic hydrogenation of the refined, organic phase of the crude product to produce 2-butyl-2-ethyl-1,3-propanediol.

    摘要翻译: 公开了用于制备2-乙基-2-(羟甲基)己醛的连续方法,其中将2-乙基己醛,甲醛和叔胺连续加入到反应区中,粗产物包含水相和含2- 乙基-2-(羟甲基)己醛和2-乙基己醛从反应区连续除去。还公开了(1)粗产物的有机相的共沸蒸馏的方法,从而回收未反应的2-乙基己醛,(2) 催化氢化粗产物的精制有机相,生成2-丁基-2-乙基-1,3-丙二醇。

    Triethylamine catalyzed neopentyl glycol production utilizing a gas
sparged reactor
    10.
    发明授权
    Triethylamine catalyzed neopentyl glycol production utilizing a gas sparged reactor 失效
    三乙胺催化新戊二醇生产利用气体反应器

    公开(公告)号:US4851592A

    公开(公告)日:1989-07-25

    申请号:US113049

    申请日:1987-10-27

    申请人: Don L. Morris

    发明人: Don L. Morris

    CPC分类号: C07C29/141 C07C45/75

    摘要: A process for producing neopentyl glycol is disclosed which comprises reacting isobutyraldehyde and formaldehyde in the presence of a trialkylamine catalyst to form a condensation reaction product comprising hydroxypivaldehyde, followed by hydrogenation of the hydroxypivaldehyde in a hydrogen gas sparged reactor in the presence of a Raney nickel catalyst. This process minimizes unwanted by-products, and does not have to be carried out under high pressure as do certain prior art methods.

    摘要翻译: 公开了一种生产新戊二醇的方法,其包括在三烷基胺催化剂存在下使异丁醛和甲醛反应,形成包含羟基异丙醛的缩合反应产物,然后在氦氖镍催化剂存在下在氢气鼓泡反应器中氢化羟基甲醛 。 该方法使不想要的副产物最小化,并且不必像现有技术的方法一样在高压下进行。