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Pyrido[2,3-d]pyrimidines 3. Synthesis and properties of 7-chloro- and 6-nitro-7-chloropyrido[2,3-d]pyrimidine-2,4,5-triones

✍ Scribed by O. A. Burova; I. D. Bystryakova; N. M. Smirnova; T. S. Safonova

Publisher: Springer US
Year: 1991
Tongue: English
Weight: 393 KB
Volume: 27
Category: Article
ISSN: 0009-3122
DOI: 10.1007/bf00480837

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✦ Synopsis

Oxo-l,2,4.triazoio[4,3-a]quinoline.9-carboxylic Acid Anilide (Vllb). A mixture of 2.78 g (10 mmole) of anilide IIc, 0.72 g (12 mmole) of urea, and 30 ml of ethylene glycol was refluxed, after which it was cooled, and the resulting precipitate was reerystaUized.

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