发明名称 |
PROCEDEU DE PREPARARE A UNUI COMPUS DICETONIC ACILAT |
摘要 |
<p>An acylated diketonic compound is produced by rearrangement of the corresponding enol ester in the presence of a cyanide source. In one embodiment the cyanide source is employed with a molar excess of a moderate base, with respect to the enol ester. In another embodiment, the cyanide source is a stoichiometric amount, with respect to the enol ester, of potassium or lithium cyanide and a catalytic amount of a Crown ether is used.</p> |
申请公布号 |
RO93561(A) |
申请公布日期 |
1987.12.31 |
申请号 |
RO19850121246 |
申请日期 |
1985.12.20 |
申请人 |
STAUFFER CHEMICAL CO,US |
发明人 |
HEATHER JAMES B.,US;DENISE PAMELA,US |
分类号 |
C07C49/04;B01J27/00;B01J27/26;B01J31/00;B01J31/02;C07B41/06;C07B61/00;C07C45/00;C07C45/45;C07C45/46;C07C45/51;C07C45/54;C07C49/385;C07C49/403;C07C49/784;C07C49/792;C07C49/813;C07C67/00;C07C201/00;C07C205/45;C07C255/56;C07C323/22;(IPC1-7):C07C49/303 |
主分类号 |
C07C49/04 |
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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