| 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:wherein the substituents are as defined in claim 1, by conversion of a compound of formula II:reaction of that compound with a compound of formula IV:wherein X is a leaving group, to form a compound of formula V:and treatment of that compound in the presence of a base with catalytic amounts of cyanide ions. |
| 申请公布号 |
US6855831(B2) |
申请公布日期 |
2005.02.15 |
| 申请号 |
US20030409577 |
申请日期 |
2003.04.08 |
| 申请人 |
SYNGENTA CROP PROTECTION, INC. |
发明人 |
SCHNEIDER HERMANN;LUETHY CHRISTOPH;EDMUNDS ANDREW |
| 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):C07D313/16;C07C207/00;C07C49/613 |
主分类号 |
C07B61/00 |
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