Organic halide
    4.
    发明授权
    Organic halide 失效
    有机卤化物

    公开(公告)号:US3996303A

    公开(公告)日:1976-12-07

    申请号:US479413

    申请日:1974-06-14

    摘要: An organic halide (1) having the general formula: ##STR1## wherein X is a halogen atom, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is a hydrogen atom, a hydrocarbon group or a halogenated hydrocarbon group, R.sup.1 may be a group having the formula: ##STR2## wherein R is an aliphatic, alicyclic or aromatic radical, and R.sup.3 and R.sup.4 may be a group consisting of -CH.sub.2 OH or its esters; is produced by reacting an organic halide (2) having the formula: ##STR3## wherein X, R.sup.1 and R.sup.2 is the same as above, respectively; with the compound having the formula: ##STR4## wherein R.sup.3 and R.sup.4 is the same as above, respectively, in the presence of a cationic catalyst at the temperature of from -78.degree. C. to 80.degree. C.

    摘要翻译: 具有以下通式的有机卤化物(1):其中X是卤素原子,R1,R2,R3和R4是氢原子,烃基或卤代烃基,R1可以是具有式 :其中R是脂族,脂环族或芳族基团,R 3和R 4可以是由-CH 2 OH或其酯组成的组; 通过使具有下式的有机卤化物(2)反应来制备:其中X,R 1和R 2分别与上述相同; 在-78℃至80℃的温度下,在阳离子催化剂存在下,分别具有下式的化合物:其中R 3和R 4与上述相同。

    Process for the production of substituted ketones
    5.
    发明授权
    Process for the production of substituted ketones 失效
    制备取代酮的方法

    公开(公告)号:US3984475A

    公开(公告)日:1976-10-05

    申请号:US581854

    申请日:1975-05-29

    IPC分类号: C07C49/20 C07C45/00

    CPC分类号: C07C45/68

    摘要: Process for producing substituted ketones from the reaction between organic halides and ketones having replaceable active hydrogen atoms on the carbon atom(s) alpha to the carbonyl group, in the presence of an alkali metal hydroxide unitilizing phosphonium salts as the catalyst, which salts have the following formula: ##EQU1## wherein said R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are the same or different and are branched or straight chain alkyl of 1-30 carbon atoms, cycloalkyl of 6-10 carbon atoms, aryl of 6-10 carbon atoms aralkyl or alkaryl wherein the aryl and alkyl are as above defined and X.sup.- is an inorganic or organic anion.

    摘要翻译: 在碱金属氢氧化物的存在下,在鏻盐作为催化剂的存在下,在有机卤化物和在羰基的α原子上具有可取代的活性氢原子的酮之间的反应生成取代的酮的方法,该盐具有 其中所述R 1,R 2,R 3和R 4相同或不同,为具有1-30个碳原子的支链或直链烷基,其中R 1,R 2,R 3和R 4相同或不同, 6-10个碳原子,6-10个碳原子的芳基芳烷基或烷芳基,其中芳基和烷基如上定义,X​​ - 是无机或有机阴离子。