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Synthesis and cycloaddition reaction of 2a, 4, 5-triazabenz[cd]azulene derivatives

Heterocycles Volume 26 Issue 3 Page 767-772
published_at 1987
2007020156.pdf
[fulltext] 1.42 MB
Title
Synthesis and cycloaddition reaction of 2a, 4, 5-triazabenz[cd]azulene derivatives
Creators Abe Noritaka
Creators Gomi Atsuko
2a, 4, 5-triazabenz[cd]azulene derivatives (2) were synthesized by the reaction of 8-hydrazino-3-phenyl-1-azaazulenes (1) with triethyl orthoformate. 2-chloro substituted compound (2b) was easily hydrolized on silica gel and gave (2-chloro-8-imino-3-phenyl-1-aza-1, 8-dihydroazulen-1-yl)formaldehyde oxime. Reaction of 2a with dimethyl acetylenedicarboxylate gave dimethyl 1-phenyl-2a, 5-diazabenz[cd]azulene-3, 4-dicarboxylate and dimethyl (1-cyano-3-phenyl-1, 8-dihydro-1-azaazulen-8-ylideneamino)maleate.
Languages eng
Resource Type journal article
Publishers 日本複素環化学研究所
Date Issued 1987
File Version Version of Record
Access Rights open access
Relations
[ISSN]0385-5414
[NCID]AA00663739
Schools 大学院医学系研究科(理学)