| 发明名称 |
PROCESS FOR THE PREPARATION OF CYCLIC DIKETONES |
| 摘要 |
The present invention relates to a process for the preparation of compounds of formula I (see formula I) wherein the substituents are as defined in claim 1, by conversion of a compound of formula II (see formula II) reaction of that compound with a compound of formula IV X-C(O)-Q (IV), wherein X is a leaving group, to form a compound of formula V (see formula III) and treatment of that compound in the presence of a base with catalytic amounts of cyanide ions. |
| 申请公布号 |
CA2424803(A1) |
申请公布日期 |
2003.10.09 |
| 申请号 |
CA20032424803 |
申请日期 |
2003.04.07 |
| 申请人 |
SYNGENTA PARTICIPATIONS AG |
发明人 |
EDMUNDS, ANDREW;LUTHY, CHRISTOPH;SCHNEIDER, HERMANN |
| 分类号 |
C07B61/00;C07C45/45;C07C45/54;C07C45/57;C07C45/60;C07C49/733;C07C315/04;C07C317/24;C07C317/44;C07C319/20;C07C323/22;C07C323/62;C07D213/50;C07D307/79;(IPC1-7):C07C49/623 |
主分类号 |
C07B61/00 |
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