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公开(公告)号:US3928444A
公开(公告)日:1975-12-23
申请号:US52673974
申请日:1974-11-25
申请人: ASAHI CHEMICAL IND
发明人: KAMADA SUEO , YAMASHITA TAKESHI , IDE TOHRU , AJIKI RYOGO , KITAMURA TAKAO
IPC分类号: C07C231/06 , C07C235/00 , C07C103/08
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。