期刊
POLYMER CHEMISTRY
卷 7, 期 36, 页码 5641-5645出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6py01046f
关键词
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资金
- Spanish Xunta de Galicia [08TMT002209PR]
- MINECO (FEDER) [MAT2013-42425-R]
- Chile Government
We report the first examples of a new class of rigid dendrimers made of three-dimensional tetraphenylmethane units connected by ethynylene linkers. Designed to obtain a persistent globular shape, minimal backfolding of terminal groups and well-defined cavities at low generations, the dendrimers were synthesized until the second generation by a convergent strategy based on Sonogashira couplings. Their structure and size were confirmed by NMR, MALDI-TOF-MS and SEC among other techniques. The dendrimers showed intrinsic fluorescence with quantum yields of similar to 0.6.
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