| 发明名称 |
Process for the preparation of pyrrolidone derivatives. |
| 摘要 |
<p>A process for preparing compounds (1)
<Chemistry id="chema01" num="0001"><Image id="ia01" he="28" wi="50" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>where Y is NR'R<Sup>2</Sup> or OR, R' and R<Sup>2</Sup> are hydrogen or C<Sub>1-3</Sub> alkyl, and R is C<Sub>1-3</Sub> alkyl, which comprises protecting the hydroxy group of a compound (2),
<Chemistry id="chema02" num="0002"><Image id="ia02" he="25" wi="52" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>cyclising the product under basic conditions and removing the protecting group.</p> |
| 申请公布号 |
EP0156655(A2) |
申请公布日期 |
1985.10.02 |
| 申请号 |
EP19850302244 |
申请日期 |
1985.04.01 |
| 申请人 |
I.S.F. SOCIETA PER AZIONI |
发明人 |
PINZA, MARIO;PFEIFFER, UGO CLAUDIO |
| 分类号 |
C07D207/277;A61K31/40;A61K31/4015;A61K31/4025;A61P25/28;C07C67/00;C07C231/00;C07C231/02;C07C231/12;C07C235/12;C07C237/06;C07D207/26;C07D207/273;C07D309/12;C07D405/12;(IPC1-7):C07D207/273;C07C103/56 |
主分类号 |
C07D207/277 |
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