发明名称 |
Process for preparing 2-amino-6-chloropurine |
摘要 |
The present invention relates to a new and improved process for preparing 2-amino-6-chloropurine comprising the step of reacting guanine in the presence of ammonium sulphate with hexamethyldisilazane. The process of this invention advantageously results in a high yield of 2-amino-6-chloropurine and may be carried out on a laboratory or an industrial scale.
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申请公布号 |
US5663338(A) |
申请公布日期 |
1997.09.02 |
申请号 |
US19960632704 |
申请日期 |
1996.04.15 |
申请人 |
BOEHRINGER INGELHEIM KG |
发明人 |
RAMERT, REINER;SOBOTTA, RAINER |
分类号 |
C07D473/40;(IPC1-7):C07D473/40;C07B39/00 |
主分类号 |
C07D473/40 |
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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