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Condensed isoquinolines. 7.* Synthesis of derivatives of the new heterocyclic system thieno[3′,2′:5,6]-pyrimido[1,2-b]isoquinoline

✍ Scribed by V. M. Kisel'; V. A. Kovtunenko; T. T. Kucherenko; A. K. Tyltin; F. S. Babichev


Publisher
Springer US
Year
1996
Tongue
English
Weight
266 KB
Volume
32
Category
Article
ISSN
0009-3122

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Alkyl heterocycles in heterocyclic synth
✍ Tarek M. Abu Elmaati 📂 Article 📅 2004 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 57 KB

## Abstract Treating 5‐(4‐phenylcarboxamido)‐3‐cyano‐4‐methylpyridin‐2(1__H__)thione (**3**) with elemental sulfur yielded thienopyridine **4**. Compound **4** reacts with acrylonitrile to give isoquinoline **7**. Compound **7** was also, prepared from **3** and methylenemalononitrile. Reaction of