Tandem Michael-addition/cyclization synt
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Eric E. Boros; James B. Thompson; Edgar R. Wood; O. Bradley McDonald; Timothy D.
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Article
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2004
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Journal of Heterocyclic Chemistry
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English
⚖ 136 KB
## Abstract 5‐Methoxy and 5‐anilinopyrido[2,3‐__d__]pyrimidin‐7(8__H__)‐ones **2a‐2f** were obtained by a tandem Michael addition‐cyclization reaction of methanol and anilines with pyrimidinylpropynoate **5.** Methoxy derivative **2a** was obtained in 62% yield by treatment of **5** with methanol a