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Synthesis of pyrido[2,3-d]pyrimidin-7(8H)-one derivatives from 5-acetyl-4-aminopyrimidines and β-dicarbonyl compounds

✍ Scribed by A. V. Komkov; I. P. Yakovlev; V. A. Dorokhov

Book ID: 106519667
Publisher: Springer
Year: 2005
Tongue: English
Weight: 295 KB
Volume: 54
Category: Article
ISSN: 1573-9171
DOI: 10.1007/s11172-005-0320-6

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## Abstract magnified image The carbodiimides **5**, obtained from reactions of iminophosphorane **4** with aromatic isocyanates, reacted with amines, phenols or ROH to give 2‐substituted 5,6,7,8‐tetrahydropyrido[4′,3′:4,5]thieno[2,3‐__d__]‐pyrimidin‐4(3__H__)‐one 7 in the presence of catalytic am