期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 10, 期 41, 页码 8308-8313出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ob26028j
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资金
- Ministry of Education, Culture, Sports, Science, and Technology, Japan [22850007]
Azulene-substituted butadiynes have been prepared by Cu-mediated cross- and homo-coupling reactions. The azulene-substituted butadiynes reacted with tetracyanoethylene in a formal [2 + 2] cycloaddition reaction to afford the corresponding 1,1,4,4-tetracyanobutadiene chromophores, in excellent yields. Further [2 + 2] cycloaddition with TTF and TCNE gave novel donor-acceptor chromophores and novel azulene-substituted 6,6-dicyanofulvene derivatives.
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