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Tokuhiro Watanabe Ikuko Ueda Naomi Hayakawa Yasuo Kondo Hiroko Adachi Akiko Iwasaki Shizuko Kawamata Fumiko Mentori Miyuki Ichikawa Kayo Yuasa Akihiro Ohta Teruo Kurihara Hiroshi Miyamae 《Journal of heterocyclic chemistry》1990,27(3):711-716
2,3-Dichloro- and 2,5-dichloropyrazines were treated with sodium azide. The former gave diazidopyrazines and the latter, monoazidomonochloropyrazines. Pyrolysis of 2,3-diazidopyrazines resulted the production of 1,2-dicyanoiminoethanes and that of 2-azido-5-chloropyrazines, chloroimidazoles. 相似文献