Carbonylation process for the production of aromatic acids
    11.
    发明授权
    Carbonylation process for the production of aromatic acids 失效
    用于生产芳香酸的羰基化方法

    公开(公告)号:US4705890A

    公开(公告)日:1987-11-10

    申请号:US26916

    申请日:1987-03-17

    IPC分类号: C07C51/10

    CPC分类号: C07C51/10

    摘要: Disclosed is a process for production of aromatic carboxylic acids by the carbonylation of aromatic iodides in the presence of a ruthenium catalyst, a Bronsted base, and an iodide promoter.

    摘要翻译: 公开了在钌催化剂,Bronsted碱和碘化物促进剂的存在下通过芳族碘化物的羰基化生产芳族羧酸的方法。

    Preparation of aromatic carboxylic acids
    13.
    发明授权
    Preparation of aromatic carboxylic acids 失效
    芳香羧酸的制备

    公开(公告)号:US4845280A

    公开(公告)日:1989-07-04

    申请号:US179686

    申请日:1988-04-11

    IPC分类号: C07C51/10

    CPC分类号: C07C51/10

    摘要: Disclosed is a process for the production of aromatic carboxylic acids by the carbonylation of aromatic bromides in the presence of a nickel catalyst, a Bronsted base and an iodide promoter.

    摘要翻译: 公开了通过在镍催化剂,布朗斯台德碱和碘化物促进剂的存在下芳族溴化物的羰基化生产芳族羧酸的方法。

    Process for the preparation of aromatic carboxylic acid esters
    19.
    发明授权
    Process for the preparation of aromatic carboxylic acid esters 失效
    芳族羧酸酯的制备方法

    公开(公告)号:US5233075A

    公开(公告)日:1993-08-03

    申请号:US776019

    申请日:1991-10-15

    IPC分类号: C07C17/00 C07C67/36

    CPC分类号: C07C17/00 C07C67/36

    摘要: A process comprising preparing an aromatic carboxylic ester and an alkyl iodide by carboxylating an aromatic iodide in the presence of an alkylating agent and a catalytic amount of a transition metal under aromatic carboxylic ester and alkyl iodide forming conditions of temperature, pressure and ultrasound.

    摘要翻译: 一种方法包括在芳族羧酸酯和烷基碘形成温度,压力和超声波条件下,在烷基化剂和催化量的过渡金属的存在下,通过羧基化芳族碘化物来制备芳族羧酸酯和烷基碘。

    Process for the recovery of elemental iodine from alkyl iodides
    20.
    发明授权
    Process for the recovery of elemental iodine from alkyl iodides 失效
    用于从烷基碘回收元素碘的方法

    公开(公告)号:US4976947A

    公开(公告)日:1990-12-11

    申请号:US481530

    申请日:1990-02-20

    IPC分类号: C01B7/14 C07C51/42 C07C51/487

    摘要: Disclosed is a process for the recovery of the iodine and alkyl value of an alkyl iodide by a process comprising (I) carbonylating an alkyl iodide by a process presence of a carbonylation catalyst, carbon monoxide and a hydrogen donor to obtain a mixture of hydrogen iodide and an acyl compound and (II) oxidizing the hydrogen iodide of step (I) to elemental iodine.

    摘要翻译: 公开了通过包括(I)羰基化羰基化催化剂,一氧化碳和氢供体的方法羰基化碘烷烃的方法来回收碘代烷基的方法,以获得碘化氢 酰基化合物和(II)将步骤(I)的碘化氢氧化成元素碘。