发明名称 |
PROCESS FOR THE PRODUCTION 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 reacting a compound of formula (II), with a bromine or chlorine source to form a compound of formula (III), wherein X is chlorine or bromine; reacting that compound with water to form the compound of formula (IV), converting that compound, using a compound of formula (V), wherein M<+> is the hydrogen cation or an alkali metal ion, alkaline earth metal ion or ammonium ion, into the compound of formula (VI), and treating that compound with a cyanide source in the presence of a base. |
申请公布号 |
WO2005105718(A2) |
申请公布日期 |
2005.11.10 |
申请号 |
WO2005EP04680 |
申请日期 |
2005.04.29 |
申请人 |
SYNGENTA PARTICIPATIONS AG;JACKSON, DAVID, ANTHONY;EDMUNDS, ANDREW;BOWDEN, MARTIN, CHARLES;BROCKBANK, BEN;SYNGENTA LIMITED |
发明人 |
JACKSON, DAVID, ANTHONY;EDMUNDS, ANDREW;BOWDEN, MARTIN, CHARLES;BROCKBANK, BEN |
分类号 |
C07C17/10;C07C17/23;C07C23/32;C07C45/45;C07C45/71;C07C67/11;C07C315/04;C07C317/44;C07D213/50;C07D213/80 |
主分类号 |
C07C17/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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