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    • 4. 发明授权
    • Process for producing carboxylic acids and/or esters thereof
    • 制备羧酸和/或其酯的方法
    • US4336399A
    • 1982-06-22
    • US205591
    • 1980-11-10
    • Tomiya IsshikiYasuhiko KijimaYuh Miyauchi
    • Tomiya IsshikiYasuhiko KijimaYuh Miyauchi
    • C07C67/37B01J23/00B01J27/00B01J31/00C07B61/00C07C27/00C07C51/00C07C51/12C07C51/56C07C53/00C07C67/00C07C69/00C07C67/36C07C69/76
    • C07C51/12C07C51/56C07C67/36C07C67/37
    • A process for producing a carboxylic acid and/or its ester, which comprises reacting an alcohol or ether with carbon monoxide in the presence of elemental nickel or a nickel compound, iodine or an iodine compound and an organic compound of a trivalent nitrogen-group element; wherein the iodine or iodine compound is selected from the following formulae (I) to (IV),RX.sub.n (I)wherein R represents a hydrogen atom or an alkyl or alkylene group, X represents an iodine or bromine atom, and n is an integer of 1 to 3, at least one of n.multidot.X's being an iodine atom,I.sub.2 or I.sub.3 - (II)RCOI (III)wherein R represents an alkyl group,MI.sub.2 (IV)wherein M represents an alkaline earth metal, and the amount of the iodine or iodine compound is such that the amount of the free iodine or iodine compound not chemically bonded to the nickel or nickel compound or the organic compound of a nitrogen-group element is at least 0.2 mole as elemental iodine per mole of each of the nitrogen-group element compound and the nickel or nickel compound.
    • 一种制备羧酸和/或其酯的方法,其包括在元素镍或镍化合物,碘或碘化合物和三价氮基元素的有机化合物存在下使醇或醚与一氧化碳反应 ; 其中所述碘或碘化合物选自下式(I)至(IV),其中R表示氢原子或烷基或亚烷基的RXn(I),X表示碘或溴原子,n为整数 为1〜3,nxX为碘原子中的至少1种,I 2 - 或I 3 - (II)RCOI(III),其中R为烷基,MI2(Ⅳ)其中M为碱土金属, 碘或碘化合物使得未化学键合到镍或镍化合物或氮基元素的有机化合物的游离碘或碘化合物的量为每摩尔氮中的元素碘至少0.2摩尔 - 元素化合物和镍或镍化合物。
    • 9. 发明授权
    • Process for preparing carboxylic acid anhydrides
    • 制备羧酸酐的方法
    • US4239698A
    • 1980-12-16
    • US949853
    • 1978-10-10
    • Tomiya IsshikiYasuhiko KijimaYuh Miyauchi
    • Tomiya IsshikiYasuhiko KijimaYuh Miyauchi
    • C07C53/00B01J31/00C07B61/00C07C51/00C07C51/10C07C51/56C07C67/00C07C51/54
    • C07C51/10
    • A process for preparing a carboxylic acid anhydride by reacting an aliphatic carboxylic acid ester or an ether with carbon monoxide in the presence of elemental nickel or a nickel compound, iodine or an iodine compound and an organic compound of a trivalent nitrogen-group element; wherein said iodine or iodine compound is selected from the following formulae (I) to (IV),RX.sub.n (I)wherein R represents a hydrogen atom or an alkyl or alkylene group, X represents an iodine or bromine atom, n represents an integer of 1 to 3, and at least one of n X's is an iodine atom,I.sub.2 or I.sub.3.sup.- (II)RCOI (III)wherein R represents an alkyl group, andMI.sub.2 (IV)wherein M represents an alkaline earth metal, and is used in an amount such that the free iodine or iodine compound not chemically combined with said nickel or nickel compound or with said organic compound of a nitrogen-group element is present in an amount of at least 0.2 mole, as elemental iodine, per mole of each of said nitrogen-group element compound and said nickel or nickel compound, and wherein the reaction is carried out in the presence of an aliphatic carboxylic acid solvent.
    • 在元素镍或镍化合物,碘或碘化合物和三价氮基元素的有机化合物存在下,使脂族羧酸酯或醚与一氧化碳反应制备羧酸酐的方法; 其中所述碘或碘化合物选自下式(I)至(IV),RXn(I)其中R表示氢原子或烷基或亚烷基,X表示碘或溴原子,n表示整数 1至3,并且n X中的至少一个为碘原子,I 2或I 3 - (II)R COI(III)其中R表示烷基,MI 2(IV)其中M表示碱土金属,并且使用 其量使得不与所述镍或镍化合物或所述有机化合物与氮基元素化学结合的游离碘或碘化合物以每摩尔每摩尔至少0.2摩尔的元素碘的量存在,作为元素碘 的所述氮族元素化合物和所述镍或镍化合物,并且其中所述反应在脂族羧酸溶剂的存在下进行。