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Synthesis and Properties of Diamino-Substituted Dipyrido [3,2- a : 2′,3′- c ]phenazine

1992; Oxford University Press; Volume: 65; Issue: 4 Linguagem: Inglês

10.1246/bcsj.65.1006

1348-0634

Masaki Yamada, Yoshihito Tanaka, Yasuyuki Yoshimoto, Shigeyasu Kuroda, Ichiro Shimao,

Metal complexes synthesis and properties

Abstract A heteroaromatic compound 3,6-diaminodipyrido[3,2-a: 2′,3′-c]phenazine was synthesized with an improved method to convert 1,10-phenanthroline derivatives to the corresponding 5,6-diones. It was shown that the electron-donating effects of amino substituents were extended not only to pyridine rings but also to the phenazine ring.