Process for the preparation of tertiary amyl hydroperoxide
    1.
    发明申请
    Process for the preparation of tertiary amyl hydroperoxide 审中-公开
    叔戊基过氧化氢的制备方法

    公开(公告)号:US20060264677A1

    公开(公告)日:2006-11-23

    申请号:US11375703

    申请日:2006-03-14

    IPC分类号: C07C409/00

    摘要: The present invention provides an improved process for the production of tertiary amyl hydroperoxide by the liquid phase oxidation of isopentane in presence of air or molecular oxygen as oxidant using the oxides of Group IIA metals such as magnesium, calcium, strontium and barium in high pressure reactor under stirring conditions at a temperature ranging between 110°-180° C. and at moderate pressures for a period of 0.1-12 h. The catalyst reused for sevral times without affecting its catalytic performance. The present invention produces a tertiary amyl hydroperoxide with 40-60% selectivity and tertiary amyl alcohol, which has a numerius industrial applications.

    摘要翻译: 本发明提供了一种通过在空气或分子氧作为氧化剂存在下通过异戊烷的液相氧化制备叔戊基过氧化氢的改进方法,其使用在高压反应器中使用IIA族金属如镁,钙,锶和钡的氧化物 在搅拌条件下,温度范围为110°-180℃,中等压力为0.1-12小时。 催化剂重复使用,不影响其催化性能。 本发明产生具有40-60%选择性的叔戊基过氧化氢和叔戊醇,其具有数量级的工业应用。

    Process for preparation of a mixture of alcohols and ketones by liquid phase oxidation of higher alkanes
    2.
    发明申请
    Process for preparation of a mixture of alcohols and ketones by liquid phase oxidation of higher alkanes 失效
    通过高级烷烃的液相氧化制备醇和酮的混合物的方法

    公开(公告)号:US20060094905A1

    公开(公告)日:2006-05-04

    申请号:US10976737

    申请日:2004-10-29

    IPC分类号: C07C27/12

    摘要: The present invention provides a process for the production of a mixture of alcohols and ketones by the liquid phase oxidation of higher alkanes using a catalyst system consisting of transition group metal such as palladium and support such as alumina, silica, carbon, preferably carbon in the presence of alkyl hydroperoxide as oxygen carrier, under stirring conditions at a temperature range of 10°-120° C. and at atmospheric pressure in a stirred glass reactor for a period of 1-30 h. The present invention produces a mixture of alcohols and ketones with high selectivity (preferably 60-90%) along with other byproducts such as diketones and acids.

    摘要翻译: 本发明提供了一种通过使用由过渡金属如钯和由载体例如氧化铝,二氧化硅,碳,优选碳组成的催化剂体系,通过高级烷烃的液相氧化生产醇和酮的混合物的方法。 在搅拌条件下,在10°-120℃的温度和大气压下,在搅拌的玻璃反应器中,存在烷基氢过氧化物作为氧载体,时间为1-30小时。 本发明与其它副产物如二酮和酸一起产生具有高选择性(优选60-90%)的醇和酮的混合物。

    Process for the synthesis of alpha-substituted acroleins
    8.
    发明申请
    Process for the synthesis of alpha-substituted acroleins 失效
    合成α-取代丙烯醛的方法

    公开(公告)号:US20050215829A1

    公开(公告)日:2005-09-29

    申请号:US10810463

    申请日:2004-03-26

    IPC分类号: C07C45/49 C07C45/50 C07C45/75

    CPC分类号: C07C45/75 C07C45/50 C07C47/22

    摘要: The present invention provides an improved process for the synthesis of α-substituted acroleins from olefins by a tandem hydroformylation and Mannich reaction sequence in the presence of syngas and formaldehyde, wherein the two catalysts are segregated into two different phases thereby preventing deactivation of the catalysts by each other, and yielding a highly selective and active catalyst.

    摘要翻译: 本发明提供了一种在合成气和甲醛存在下通过串联加氢甲酰化和曼尼希反应顺序从烯烃合成α-取代的丙烯醛的改进方法,其中两种催化剂分离成两个不同的相,从而防止催化剂的失活 并产生高选择性和活性的催化剂。

    Process for preparing dioxy-functionalized propane compounds
    10.
    发明申请
    Process for preparing dioxy-functionalized propane compounds 审中-公开
    制备二官能化丙烷化合物的方法

    公开(公告)号:US20050222452A1

    公开(公告)日:2005-10-06

    申请号:US10814859

    申请日:2004-03-31

    摘要: The present invention relates to a process for preparing, dioxy functionalised propane compounds using cobalt and/or rhodium catalysts. More particularly, the present invention relates to a process for the preparation of the dioxy functionalised propane compounds of the formula X—CH2—CH(Y)—CH2-Z, wherein X=R—C(═O)—O— or H or —OH, Y and Z=—H or —OH or —C(═O)H, and wherein at a time, only one of X, Y and Z is —H, in high yields from vinyl carboxylates of formula R—C(═O)—O—CH═CH2 wherein, R=substituted or unsubstituted alkyl or aryl group.

    摘要翻译: 本发明涉及使用钴和/或铑催化剂制备二氧官能化丙烷化合物的方法。 更具体地说,本发明涉及一种制备式X-CH 2 -CH(Y)-CH 2 -Z -Z(CH 2)-CH 2的二氧官能化丙烷化合物的方法, 其中X = RC(-O)-O-或H或-OH,Y和Z = -H或-OH或-C(-O)H,并且其中一次只有X,Y和Z中的一个 是-H,以高得率的式RC(-O)-O-CH-CH 2乙烯基羧酸酯,其中R =取代或未取代的烷基或芳基。