| 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 <CHEM> wherein the substituents are as defined in claim 1, by conversion of a compound of formula II <CHEM> to a salt of formula III <CHEM> reaction of that compound with a compound of formula IV X-C(O)-Q wherein X is a leaving group, to form a compound of formula V <CHEM> and treatment of that compound in the presence of a base with catalytic amounts of cyanide ions. |
| 申请公布号 |
ZA200302618(B) |
申请公布日期 |
2003.10.06 |
| 申请号 |
ZA20030002618 |
申请日期 |
2003.04.03 |
| 申请人 |
SYNGENTA PARTICIPATIONS AG. |
发明人 |
HERMANN SCHNEIDER;CHRISTOPH LUETHY;ANDREW EDMUNDS |
| 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 |
主分类号 |
C07B61/00 |
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