The Journal of organic chemistry
Efficient synthesis of 1, 4, 5, 12-tetraazatriphenylene and derivatives
C Abeywickrama, AD Baker
Index: Abeywickrama, Chandima; Baker, Arthur David Journal of Organic Chemistry, 2004 , vol. 69, # 22 p. 7741 - 7744
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Citation Number: 13
Abstract
Condensation of 5, 6-diamino-4, 7-phenanthroline with glyoxal provides 1, 4, 5, 12- tetraazatriphenylene in quantitative yield. This procedure avoids the 50% loss of product inherent in previous methods. Derivatives were also prepared by using α-dicarbonyl compounds other than glyoxal. Additional derivatives were prepared from 1, 4, 5, 12- tetraazatriphenylene-2, 3-dicarbonitrile, produced by condensation of diaminomaleonitrile ...