发明名称 |
PROCESS FOR PREPARING CARBOXAMIDES BY HYDROLYSIS OF CARBOXYLIC ACID NITRILES IN THE PRESENCE OF A CATALYST COMPRISING MANGANESE DIOXIDE. |
摘要 |
The present invention relates to a process for preparing carboxamides by hydrolysis of carboxylic acid nitriles in the presence of a catalyst comprising manganese dioxide, in which the reaction mixture added to the catalyst comprising manganese dioxide has a pH in the range from 6.0 to 11.0 and the hydrolysis is carried out in the presence of an oxidant. The present invention further relates to a process for preparing alkyl (meth)acrylates, which process has a hydrolysis step as per the above-described process. |
申请公布号 |
MX2009005392(A) |
申请公布日期 |
2009.06.02 |
申请号 |
MX20090005392 |
申请日期 |
2007.08.30 |
申请人 |
EVONIK ROEHM GMBH |
发明人 |
JOCHEN ACKERMANN;ALEXANDER MAY;HERMANN SIEGERT;BERND VOGEL;SONKE BROCKER |
分类号 |
C07C231/06;C07C51/09;C07C57/065;C07C59/01;C07C59/08;C07C67/10;C07C67/20;C07C69/54;C07C69/675;C07C69/68;C07C235/06 |
主分类号 |
C07C231/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|