Synthesis of novel 5H-Pyrimido[5,4-b]mdo
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G. Romeo; F. Russo; A. De Blasi
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Article
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2001
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Journal of Heterocyclic Chemistry
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English
⚖ 47 KB
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## Abstract A new series of 3‐[ω‐[4‐(4‐substituted phenyl)piperazin‐1‐yl]alkyl]‐5__H__‐pyrimido[5,4‐__b__]indole‐(1__H__,3__H__)‐2,4‐diones (**3–10** and **12–13**) were synthesized from the __N__‐(2‐chloroethyl)‐__N'__‐[3‐(2‐ethoxycarbonyl)indolyl] urea (**1**) or the __N__‐(3‐chloropropyl)‐__N'__