发明名称 |
PROCESS FOR PRODUCING AZETIDINONES |
摘要 |
<p>An azetidinone of the formula: <CHEM> wherein R.O.CO is a protective group for the amino group; R<2> is a protective group for the nitrogen atom of the imino compound; R<3> is an organic residue bonding through a carbon atom thereof, which is produced with industrial advantages by reacting a compound of the formula: R.O.CO.NH.CH2.CO.O.CO.OR<1> wherein R.O.CO is as defined above; CO.OR<1> is an esterified carboxyl group, with a compound of the formula: R<2>.N=CH.R<3> wherein the symbols are as defined above, or a salt thereof.</p> |
申请公布号 |
EP0146900(A3) |
申请公布日期 |
1988.03.30 |
申请号 |
EP19840115552 |
申请日期 |
1984.12.15 |
申请人 |
TAKEDA CHEMICAL INDUSTRIES, LTD. |
发明人 |
MAEDA, YOSHIHARU;KAWAI, TATSUHIKO;SUGIMOTO, KEIICHI |
分类号 |
C07D205/08;C07D205/085;C07D405/04;(IPC1-7):C07D205/08 |
主分类号 |
C07D205/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|