| 发明名称 |
Preparation of germaazaspirodiones and germaazaspiranes |
| 摘要 |
Novel high purity crystalline forms of dialkylgermaazaspirodiones, their preparation and their use in an improved process for the preparation of high purity dialkylgermaazaspiranes and their acid addition salts is disclosed.
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| 申请公布号 |
US4248785(A) |
申请公布日期 |
1981.02.03 |
| 申请号 |
US19790033429 |
申请日期 |
1979.04.26 |
| 申请人 |
THE NORAC COMPANY, INC. |
发明人 |
MCCLOSKEY, CHESTER M.;FISCHER, JAMES R.;SCOTT, LEONARD F. |
| 分类号 |
C07F7/30;(IPC1-7):C07D207/40;C07D295/12 |
主分类号 |
C07F7/30 |
| 代理机构 |
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| 地址 |
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