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Polyfluoroheterocyclic compounds—X : 2,3,5,6-tetrafluoro-4-methylpyridine and related compounds

✍ Scribed by R.D. Chambers; B. Iddon; W.K.R. Musgrave; L. Chadwick

Book ID: 103397426
Publisher: Elsevier Science
Year: 1968
Tongue: French
Weight: 1013 KB
Volume: 24
Category: Article
ISSN: 0040-4020
DOI: 10.1016/0040-4020(68)88036-6

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## Abstract The reaction of cyanothioacetamide (**1**) with α‐benzoylcinnamonitriles **2** in basic ethanolic solution leads to 4,6‐diaryl‐1,2‐dihydro‐2‐thioxo‐3,5‐pyridinedicarbonitriles **3** together with the disulfides **4**. Treatment of **4** with 2‐mercaptoethanol causes transformation into