Bulletin of the Chemical Society of Japan p. 1784 - 1793 (1992)
Update date:2022-07-30
Topics:
Abe, Noritaka
Fukazawa, Yoshimasa
Hirai, Yoshimasa
Sakurai, Tosio
Urushido, Kunio
Kakehi, Akikazu
The reactions of 2- and 8-(substituted amino)-1-azaazulenes with dimethyl acetylenedicarboxylate (DMAD) were investigated.Treatment of ethyl 2-acetylamino-1-azaazulene-3-carboxylate with DMAD in refluxing acetonitrile gave 9-ethyl 1,2,3-trimethyl 3a-azacy
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