## Abstract Reaction of 3‐amino‐3‐methylthio‐2‐cyanoacrylonitrile (1) with excess dimethyl acetylenedi‐carboxylate(DMAD) in the presence of potassium carbonate in dimethyl sulfoxide gave a novel tricyclic heterocycle, hexamethyl l__H__‐1,4,7‐triazaphenalene‐2,3,5,6,8,9‐hexacarboxylate (**5a**). Whe
✦ LIBER ✦
ChemInform Abstract: Synthesis of Polycyclic Nitrogen-Containing Heterocyclic. One-Pot Formation of 1,6-Naphthyridine Ring System by Reaction of Amino-cyano-methylthio-heterocycles with Dialkyl Acetylenedicarboxylates.
✍ Scribed by Yoshinori Tominaga; Kenichi Nomoto; Noriko Yoshioka
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 34 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0931-7597
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