PROCESS FOR PREPARING KETONES FROM ALPHA-OXO CARBOXYLATES AND ARYL BROMIDES
    5.
    发明申请
    PROCESS FOR PREPARING KETONES FROM ALPHA-OXO CARBOXYLATES AND ARYL BROMIDES 有权
    从α-氧代羧酸酯和芳香族羧酸制备克ON酮的方法

    公开(公告)号:US20090221832A1

    公开(公告)日:2009-09-03

    申请号:US12388779

    申请日:2009-02-19

    Abstract: A process for preparing ketones of the general formula (III) where R is an optionally substituted carbocyclic aromatic radical having 6 to 24 carbon atoms or an optionally substituted alkyl radical or an optionally substituted heteroaromatic radical having 5 to 24 carbon atoms, and R1 is an optionally substituted carbocyclic aromatic radical having 6 to 24 carbon atoms or an optionally substituted heteroaromatic radical having 5 to 24 carbon atoms, by reacting alpha-oxo carboxylates of the general formula (I) whereinn and m is a number in the range from 1 to 6,M(m+) is a cation, andR has the meaning indicated for formula (III),with aryl bromides of the general formula (II) R1—Br   (II) whereR1 has the meaning indicated for formula (III),in the presence of two transition metals or compounds thereof as catalyst, is described.

    Abstract translation: 一种制备通式(III)的酮的方法,其中R是具有6至24个碳原子的任选取代的碳环芳族基团或任选取代的烷基或任选取代的具有5至24个碳原子的杂芳族基团,R 1是 任选取代的碳原子数为6〜24的碳环芳基或具有5〜24个碳原子的任意取代的杂芳族基,通式(I)的α-氧代羧酸盐反应,其中n和m为1〜 6,M(m +)为阳离子,R为式(III)所示的含义,通式(II)的芳基溴<?in-line-formula description =“In-Line Formulas”end =“ 引线“→R1-Br(II)<?in-line-formula description =”In-line Formulas“end =”tail“?>其中R1具有式(III)所示的含义, 金属或其化合物作为催化剂。

    Process for the acylation of aromatic compounds using a reusable solid catalyst comprising indium halide
    8.
    发明授权
    Process for the acylation of aromatic compounds using a reusable solid catalyst comprising indium halide 失效
    使用包含卤化铟的可重复使用的固体催化剂来酰化芳族化合物的方法

    公开(公告)号:US06437191B1

    公开(公告)日:2002-08-20

    申请号:US09724500

    申请日:2000-11-28

    Abstract: A process for the liquid phase acylation of aromatic compounds by acyl halides to corresponding acylated aromatic compounds, using a reusable solid catalyst comprising indium halide represented by a formula: MxIn1−xAy(a)/s wherein, S is a porous catalyst support selected from clays, zeolites and zeolite-like materials; M is a metallic chemical element(s) selected from the group consisting of Ga (gallium), Fe (iron), Zn (zinc), Ti (titanium) and a mixture of two or more thereof; In is a metallic chemical element, indium; A is a non-metallic chemical element selected from the group consisting of Cl (chlorine), Br (bromine), I (iodine), F (fluorine) and a mixture of two or more thereof; is mole fraction of M in the metallic elements in the range from 0.01 to 0.99; y is the number of A atoms required to satisfy the valence requirement of MxIn1−x; and a is the loading of MxIn1−x A on the support, S, in the range from 0.05 mmol.g−1 to 5.0 mmol.g−1, at the following reaction conditions: weight ratio of catalyst to acylating agent in the range trom about 0.05 to about 5.0; mole ratio of aromatic compound to acylating agent in the range from about 0.1 to about 100; weight ratio of non-aqueous solvent to aromatic compound in the range from zero to about 100; reaction temperature in the range from about 10° C. to about 300° C.; pressure at least 1.0 atm; gas hourly space velocity of inert gas bubbled through the liquid reaction mixture in the range from zero h−1 to about 5000 h−1; and reaction period in the range from about 0.02 h to about 100 h, is provided.

    Abstract translation: 使用包含由下式表示的卤化铟的可重复使用的固体催化剂,通过酰基卤将芳族化合物液相酰化成相应的酰化芳族化合物的方法:其中,S是选自粘土,沸石和沸石样材料的多孔催化剂载体 ; M是选自Ga(镓),Fe(铁),Zn(锌),Ti(钛)及其两种或更多种的混合物的金属化学元素; In是金属化学元素 ,铟; A是选自Cl(氯),Br(溴),I(碘),F(氟)及其两种或更多种的混合物的非金属化学元素; M的摩尔分数 在金属元素的范围为0.01〜0.99; y为满足MxIn1-x的化合价要求所需的A原子数; anda是在以下反应条件下,载体上的MxIn1-xA载体在0.05mmol.g-1至5.0mmol.g-1的范围内,催化剂与酰化剂的重量比在trom范围内 约0.05至约5.0; 芳族化合物与酰化剂的摩尔比在约0.1至约100的范围内; 非水溶剂与芳族化合物的重量比在0至约100的范围内; 反应温度在约10℃至约300℃的范围内; 压力至少为1.0大气压; 惰性气体的气时空速通过液体反应混合物在零h-1至约5000h -1范围内鼓泡; 并提供约0.02小时至约100小时的反应时间。

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