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    • 94. 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。