Process for the preparation of C{HD 4 {B dicarboxylic acids from 2-butene
    19.
    发明授权
    Process for the preparation of C{HD 4 {B dicarboxylic acids from 2-butene 失效
    制备C {HD 4 {B二羧酸从2-丁烯制备方法

    公开(公告)号:US3923881A

    公开(公告)日:1975-12-02

    申请号:US42940773

    申请日:1973-12-28

    Abstract: Process for the preparation of C4 dicarboxylic organic acids such as fumaric and succinic acids as well as mixtures thereof by the catalytic vapor phase oxidation of 2-butene at temperatures of up to 300*C. and in the presence of a catalyst preferably containing phosphoric acid and a catalytically effective amount of a metallic catalyst such as palladium, platinum, rhodium, ruthenium, iridium, copper, silver, gold, cobalt, nickel, chromium and mixtures thereof.

    Abstract translation: 通过在高达300℃的温度下,在优选含有磷酸的催化剂存在下,通过2-丁烯的催化气相氧化制备C4二羧酸有机酸如富马酸和琥珀酸的方法及其混合物 和催化有效量的金属催化剂如钯,铂,铑,钌,铱,铜,银,金,钴,镍,铬及其混合物。

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