Process for hydrolyzing dicyan
    1.
    发明授权
    Process for hydrolyzing dicyan 失效
    水解双氰的方法

    公开(公告)号:US3928444A

    公开(公告)日:1975-12-23

    申请号:US52673974

    申请日:1974-11-25

    CPC分类号: C07C231/06 C07C235/00

    摘要: Oxamide is prepared by hydrolyzing dicyan in an aqueous solution containing as catalyst (a) one or more molybdates and/or tungstates, (b) at least one metal ion selected from the group consisting of zinc, copper, nickel, cobalt, iron and manganese ions, and, if further required, (c) one or more citrates and/or malates, at a temperature of from 0* to 90*C and pH of from 1 to 6.5.

    摘要翻译: 氧化酰胺通过在含有一种或多种钼酸盐和/或钨酸盐的催化剂(a)的水溶液中水解二氰来制备,(b)至少一种选自锌,铜,镍,钴,铁和锰的金属离子 离子,如果还需要,(c)一种或多种柠檬酸盐和/或苹果酸盐,温度为0-90℃,pH为1至6.5。