| 发明名称 |
A PROCESS FOR THE PREPARATION OF GANCICLOVIR INTERMEDIATE N2-ACETYL-9-(1,3-DIACETOXY-2-PROPOXYMETHYL) GUANINE |
| 摘要 |
<p>The present invention relates to an improved process for the preparation of N<SUP>2</SUP>-acetyl-9-(1,3-diacetoxy-2-propoxymethyl)guanine, referred to here as the N-9 alkylated isomer, useful as intermediate for the preparation of antiviral compound, ganciclovir, including addition of a monoacetyl guanine, and optionally, addition of N<SUP>2</SUP>-acetyl-9-(1,3-diacetoxy-2-propoxymethyl)guanine, referred to herein as the N-7 alkylated isomer.</p> |
| 申请公布号 |
EP1453833(A2) |
申请公布日期 |
2004.09.08 |
| 申请号 |
EP20020775077 |
申请日期 |
2002.10.15 |
| 申请人 |
RANBAXY LABORATORIES, LTD. |
发明人 |
BABU, JAYACHANDRA SURESH;RAY, PURNA CHANDRA;KHANDURI, CHANDRAS HAS;KUMAR, YATENDRA |
| 分类号 |
C07D473/00;C07D473/18;(IPC1-7):C07D473/18 |
主分类号 |
C07D473/00 |
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