期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 84, 期 14, 页码 8941-8947出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.9b00841
关键词
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资金
- SERB, Department of Science and Technology (DST) [ECR/2016/000441, SB/S2/RJN-047/2015]
- DST-SERB
Urea-functionalized 4-ethynylbenzenes undergo facile formal [2 + 2] cycloaddition followed by retroelectrocyclization upon reaction with tetracyanoethylene, yielding 1,1,4,4-tetracyanobuta-1,3-dienes-based push-pull chromophores. Unlike the N,N'-dialkylamino group, urea functionalization provides easy access to further functionalization on these chromophores. The resulting chromophores exhibit unexpected white light emissions apart from various inherent properties like intramolecular charge-transfer band and redox behavior.
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