发明名称 |
PREPARATION OF SUBSTITUTED QUINOXALINES FROM THE DIANLINE WITH 2,3-DIHYDROXY-1,4-DIOXANE |
摘要 |
<p>The present invention relates to a new process for the preparation of substituted quinoxalines (I) by cyclization of the corresponding dianiline with 2,3 dihydroxy-1,4-dioxane. In a preferred embodiment, the invention provides a process for the preparation of compounds having the formula III wherein Q is a nitrogen protecting group. Compounds of formula III and their derivatives are precursors to certain aryl fused azapolycyclic compounds whi ch exhibit activity as agents for the treatment of neurological and psychologic al disorders.</p> |
申请公布号 |
CA2527337(A1) |
申请公布日期 |
2004.12.16 |
申请号 |
CA20042527337 |
申请日期 |
2004.05.24 |
申请人 |
PFIZER PRODUCTS INC. |
发明人 |
RAINVILLE, JOSEPH PHILIP;TABER, GERALDINE PATRICIA |
分类号 |
C07D471/08 |
主分类号 |
C07D471/08 |
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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