2012年12月
Clickable Di- and Tetrafunctionalized Pillar[n]arenes (n=5, 6) by Oxidation-Reduction of Pillar[n]arene Units
JOURNAL OF ORGANIC CHEMISTRY
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- 巻
- 77
- 号
- 24
- 開始ページ
- 11146
- 終了ページ
- 11152
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1021/jo302283n
- 出版者・発行元
- AMER CHEMICAL SOC
We report a new route for the selective synthesis of di- and tetrafunctionalized pillararenes via oxidation and reduction of the pillararene units. Hypervalent-iodine oxidation of perethylated pillar[5]arene afforded pillar[5]arene derivatives containing one benzoquinone unit and two benzoquinones at the A,B- and A,C-units. A pillar[6]arene derivative containing one benzoquinone unit was also synthesized. Reduction of the benzoquinone units yielded position-selective di- and tetrahydroxylated pillararene derivatives. This methodology avoids the generation of many constitutional isomers and overcomes the isolation problem of numerous constitutional isomers. From these hydroxylated pillararenes, Huisgen reaction-based clickable di- and tetraalkynylated pillar[5]arenes were prepared. Because of the highly selective and reactive nature of Huisgen alkyne-azide cycloaddition, these pillar[5]arenes can serve as key compounds for a large library of di- and tetrafunctionalized pillararenes. Based on these di- and tetrafunctionalized pillar[5]arenes as key compounds, fluorescent sensors were created by the modification of di- and tetrapyrene moieties via Huisgen-type click reactions.
- リンク情報
- ID情報
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- DOI : 10.1021/jo302283n
- ISSN : 0022-3263
- eISSN : 1520-6904
- ORCIDのPut Code : 43134773
- Web of Science ID : WOS:000312564900015
- ORCIDで取得されたその他外部ID : a:1:{i:0;a:1:{s:0:"";s:0:"";}}