| 发明名称 |
PROCESS FOR THE TRANSESTERIFICATION OF ALPHA-KETOCARBOXYLIC ACIDS |
| 摘要 |
<p>Transesterification of alpha -ketocarboxylic acid esters with alcohols uses water-free alcohol as the reaction medium in the presence of tin, titanium, zirconium or lithium catalysts or acetyl acetonate catalysts.</p> |
| 申请公布号 |
HRP990245(A2) |
申请公布日期 |
2000.06.30 |
| 申请号 |
HR1999P000245 |
申请日期 |
1999.08.06 |
| 申请人 |
DSM FINE CHEMICALS AUSTRIA GMBH |
发明人 |
CURT ZIMMERMANN;JOHANN FRIEDHUBER |
| 分类号 |
C07C67/02;C07C67/03;C07C69/716;C07C69/738;(IPC1-7):C07C67/03 |
主分类号 |
C07C67/02 |
| 代理机构 |
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代理人 |
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