| 发明名称 |
PROCESS FOR PRODUCING 2,2-DIMETHYL PROPANEDIOLE-(1,3) |
| 摘要 |
<p>A process for the preparation of 2,2-dimethylpropane-1,3-diol by an addition reaction between isobutyraldehyde and formaldehyde in the presence of tertiary amines as the catalyst, hydrogenation of the reaction mixture, and subsequent distillation. Before the distillation, formaldehyde is added to the hydrogenation product to remove unwanted basic impurities.</p> |
| 申请公布号 |
HU205060(B) |
申请公布日期 |
1992.03.30 |
| 申请号 |
HU19900008270 |
申请日期 |
1990.12.14 |
| 申请人 |
HOECHST AG.,DE |
发明人 |
DAEMBKES,GEORG,DE;LAPPE,PETER,DE;THOENNESSEN,FRANZ,DE;SPRINGER,HELMUT,DE |
| 分类号 |
B01J31/02;C07B61/00;C07C29/141;C07C29/38;C07C29/44;C07C29/80;C07C31/20;C07C45/75;(IPC1-7):C07C31/20 |
主分类号 |
B01J31/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
