发明名称 |
Process for producing (r)-3-hydroxy-4-butyrolactone useful for preparing (r)-carnitine |
摘要 |
A process is disclosed for producing (R)-3-hydroxy-4-butyrolactone from its enantiomer, (S)-3-hydroxy-4-butyrolactone. The (R)-enantiomer can be advantageously utilised in several organic synthesis and industrial processes, such as e.g. GABOB and (R)-carnitine preparation. |
申请公布号 |
ZA9811493(B) |
申请公布日期 |
1999.06.18 |
申请号 |
ZA19980011493 |
申请日期 |
1998.12.15 |
申请人 |
SIGMA-TAU INDUSTRIE FARMACEUTICHE RIUNITE SPA JOINT STOCK COMPANY |
发明人 |
FABIO GIANNESSI;MARIA ORNELLA TINTI;FRANCESCO DE ANGELIS |
分类号 |
C07C227/32;C07C229/22;C07D305/12;C07D307/33 |
主分类号 |
C07C227/32 |
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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