| 发明名称 |
PROCESS FOR PREPARING CYANOACETIC ESTERS |
| 摘要 |
Cyanoacetic esters of the general formula: <IMG> in which R is C1-10-alkyl, C3-10-alkenyl or aryl-C1-4-alkyl, are prepared by reaction of alkali metal cyanoacetates with the corresponding halides R-X, in which X is chlorine, bromine or iodine in an aqueous/organic two-phase system in the presence of a phase-transfer catalyst.
|
| 申请公布号 |
CA2297636(C) |
申请公布日期 |
2009.04.28 |
| 申请号 |
CA20002297636 |
申请日期 |
2000.02.03 |
| 申请人 |
LONZA AG |
发明人 |
HANSELMANN, PAUL;HILDBRAND, STEFAN |
| 分类号 |
B01J31/02;C07C253/14;C07B61/00;C07C;C07C51/02;C07C67/10;C07C69/12;C07C253/30;C07C255/17;C07C255/19;C07C255/27;C07C255/55 |
主分类号 |
B01J31/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
