Process for preparing methyl-nonyl-acetaldehyde
    31.
    发明授权
    Process for preparing methyl-nonyl-acetaldehyde 失效
    制备甲基壬基乙醛的方法

    公开(公告)号:US4263460A

    公开(公告)日:1981-04-21

    申请号:US106299

    申请日:1979-12-21

    CPC classification number: C07C47/02 C07C45/50 C07C45/62 C07C45/75

    Abstract: In a process for preparing methyl-nonyl-acetaldehyde from undecanal and formaldehyde or a source of formaldehyde, e.g., a substance which forms formaldehyde, in the presence of catalytic amounts of a secondary amine, the improvement whereinA. the undecanal is used in the form of the reaction mixture obtained by hydroformylation of 1-decene, andB. di-n-butylamine is used as the catalyst,C. the molar ratio of catalyst to undecanal is 0.025 to 0.050 to 1,D. the reaction is carried out at 90.degree. to 100.degree. C., andE. the 2-methylene-undecanal formed is then converted by partial hydrogenation into methyl-nonyl-acetaldehyde.

    Abstract translation: 在催化量的仲胺存在下,从十一醛和甲醛或甲醛源(例如形成甲醛的物质)制备甲基壬基乙醛的方法中,其中A.十一烷醛用于 使用通过1-癸烯的加氢甲酰化获得的反应混合物的形式和B.二正丁胺作为催化剂,C.催化剂与十一烷醛的摩尔比为0.025〜0.050〜1,D反应 在90℃至100℃,然后将形成的2-亚甲基 - 十一烷醛通过部分氢化转化成甲基 - 壬基乙醛。

    Process for preparing TCD-monenal
    32.
    发明授权
    Process for preparing TCD-monenal 失效
    制备TCD- monenal的方法

    公开(公告)号:US07122706B2

    公开(公告)日:2006-10-17

    申请号:US10968760

    申请日:2004-10-19

    CPC classification number: C07C47/445 C07C45/50 C07C45/82

    Abstract: A process for selectively hydroformylating dicyclopentadiene to 8(9)-formyltricyclo-[5.2.1.02,6]dec-3-ene in a heterogeneous reaction system using an aqueous solution of transition metal compounds, containing water-soluble organic phosphorus(III) compounds in complex-bound form, of group VIII of the Periodic Table of the Elements, wherein the water-soluble organic phosphorus(III) compounds are alkali metal or alkaline earth metal salts of sulfonated arylphosphines and aryldiphosphines.

    Abstract translation: 使用含水的过渡金属化合物的水溶液在非均相反应体系中选择性地将二环戊二烯加氢甲酰化为8(9) - 甲酰基三环[5.2.1.0 2,6]癸-3-烯的方法 其中水溶性有机磷(III)化合物是磺化芳基膦和芳基二膦的碱金属或碱土金属盐,它们是复合结合形式的元素周期表第Ⅷ族的可溶性有机磷(III)化合物。

    Process for preparing aliphatic straight-chain and beta-alkyl-branched carboxylic acids

    公开(公告)号:US20060106249A1

    公开(公告)日:2006-05-18

    申请号:US11237294

    申请日:2005-09-28

    CPC classification number: C07C51/235 C07C53/126

    Abstract: The present invention relates to a process for preparing aliphatic straight-chain and β-alkyl-branched carboxylic acids by catalytic oxidation of aldehydes by means of oxygen or oxygen-containing gas mixtures. Alkali metal carboxylates or alkaline earth metal carboxylates or a mixture thereof in an amount, calculated as alkali metal or alkaline earth metal, of from 1 mmol each to from 10 mmol each per mole of aldehyde used and also metals or compounds of metals of groups 5 to 11 of the Periodic Table of the Elements in amounts of not more than 5 ppm, based on aldehyde used, are present as catalyst.

    Method for the synthesis of aliphatic carboxylic acids from aldehydes
    34.
    发明授权
    Method for the synthesis of aliphatic carboxylic acids from aldehydes 有权
    从醛合成脂族羧酸的方法

    公开(公告)号:US06800783B2

    公开(公告)日:2004-10-05

    申请号:US10204619

    申请日:2002-09-05

    CPC classification number: C07C51/235 Y02P20/582 C07C53/126 C07C53/124

    Abstract: The invention relates to a method for the synthesis of aliphatic carboxylic acids by the catalytic oxidation of aldehydes with oxygen, or oxygen-containing gas mixtures. Metals of groups 5 11 of the periodic table of elements, or the compounds thereof are used as catalyst, in amounts of up to 5 ppm, based upon the amount of aldehyde used.

    Abstract translation: 本发明涉及通过用氧或含氧气体混合物催化氧化醛来合成脂族羧酸的方法。 基于元素周期表的第5组11的金属或其化合物,以所使用的醛的量为基准,最多可用量为5ppm。

    Process for preparing saturated alcohols
    35.
    发明授权
    Process for preparing saturated alcohols 失效
    饱和醇的制备方法

    公开(公告)号:US06288288B1

    公开(公告)日:2001-09-11

    申请号:US09199862

    申请日:1998-11-25

    Inventor: Helmut Springer

    CPC classification number: C07C29/175 C07C45/74 C07C49/203 C07C31/125

    Abstract: A process for preparing saturated alcohols comprising effecting an aldol condensation of alkyl methyl ketones of 6 to 8 carbon atoms which are branched at the &bgr;-carbon atom with aldehydes of 4 to 15 carbon atoms which are branched at the &agr;-carbon atom to form &agr;,&bgr;-unsaturated ketones and subsequent hydrogenation of the &agr;,&bgr;-unsaturated ketones to obtain alcohols, wherein the aldol condensation is carried out at a temperature of 60 to 130° C. in the presence of a 30-55% strength aqueous solution of an alkali metal hydroxide resulting in very low by-product formation.

    Abstract translation: 一种制备饱和醇的方法,包括使在碳原子上分支的碳原子数为6至8的烷基甲基酮与醛原子上含有4至15个碳原子的醛进行醛醇缩合从而形成α ,β-不饱和酮和随后氢化α,β-不饱和酮以获得醇,其中醛醇缩合在60至130℃的温度下进行,在30-55%强度的 碱金属氢氧化物导致非常低的副产物形成。

    Process for the preparation of unsaturated ethers
    37.
    发明授权
    Process for the preparation of unsaturated ethers 失效
    不饱和醚的制备方法

    公开(公告)号:US5354911A

    公开(公告)日:1994-10-11

    申请号:US178634

    申请日:1994-01-07

    CPC classification number: C07C41/28

    Abstract: A process for the preparation of ethers of the formula R.sup.1 --CR.sup.2 .dbd.CH--O--R.sup.3, in which R.sup.1 and R.sup.3 are each a radical having 1 to 6 carbon atoms and R.sup.2 is hydrogen or a radical having 1 to 2 carbon atoms, by reaction of a diacetal of the formula R.sup.1 --CHR.sup.2 --CH(--O--R.sup.3).sub.2 in the presence of a catalyst composed of an acid and an amine at elevated temperature in the liquid phase. The unsaturated ether of the above-mentioned formula is formed from the diacetal with elimination of an alcohol R.sup.3 --OH.

    Abstract translation: 制备式R1-CR2 = CH-O-R3的醚的方法,其中R 1和R 3各自为具有1至6个碳原子且R 2为氢或具有1至2个碳原子的基团,通过 在液相中在升高的温度下,在由酸和胺组成的催化剂存在下,式R 1 -CH 2 -CH(-O-R 3)2的二缩醛的反应。 上述式的不饱和醚由二缩醛形成,除去醇R3-OH。

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