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ChemInform Abstract: High Nitrogen Chemistry: Synthesis and Properties of N,N-Bis(4,5-dicyano-1-methyl-2-imidazolyl)cyanamide and N,N,N′,N′,N′′,N′′-Hexakis(4,5-dicyano-1-methyl-2-imidazolyl)melamine.

✍ Scribed by Ramachandran P. Subrayan; Paul G. Rasmussen


Publisher
John Wiley and Sons
Year
2010
Weight
32 KB
Volume
30
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Synthesis and Struc
✍ N. KATANO; Y. SUGIHARA; A. ISHII; J. NAKAYAMA 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB

Synthesis and Structure of (2,5)Thiophenophanes (n = 4-6). -The title compounds like (II) and (IV) are prepared by cyclization of the corresponding linear dibromo derivatives (I) and (III), resp., on reactions with Na 2 S. Best results are obtained in the presence of Cs 2 CO 3 . The X-ray structura