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Synthesis of new pyrido[2,3-d]pyrimidine derivatives by three-component condensation of 5-acetyl-4-aminopyrimidines, cyclohexane-1,3-diones, and orthocarboxylic acid esters

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

Book ID: 106520311
Publisher: Springer
Year: 2006
Tongue: English
Weight: 337 KB
Volume: 55
Category: Article
ISSN: 1573-9171
DOI: 10.1007/s11172-006-0552-0

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## Abstract magnified image Reaction of 6‐amino‐2‐methylthiouracil and 6‐amino‐1,3‐dimethyluracil with equimoler amounts of cyclic ketones or cyclic 1,3‐diketones and the appropriate aromatic aldehydes yielded regioselectivity a series of polycyclic pyrimido[4,5‐__b__]quinoline and pyrido[2,3‐__d_