期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 20, 期 50, 页码 16707-16720出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201404829
关键词
cage compounds; carbon dioxide capture; cycloaddition; microporous materials; Schiff bases
资金
- Fonds der Chemischen Industrie (FCI)
- Deutsche Forschungsgemeinschaft (DFG) [MA4061/4-2]
- Studienstiftung des Deutschen Volkes
The development of a synthetic approach to a C-3v-symmetric tris-salicylaldehyde based on triptycene is presented. The tris-salicylaldehyde is a versatile precursor for porous molecular materials, as demonstrated in the [4+4] condensation reaction with a triptycene triamine to form a molecular shape-persistent porous cube. The amorphous material of the molecular porous cube shows a very high surface area of 1014 m(2) g(-1) (BET model) and a high uptake of CO2 (18.2 wt% at 273 K and 1 bar). Furthermore, during the multistep synthesis of the tris-salicylaldehyde precursor, a relatively rare (twofold) addition of the aryne to the anthracene in the 1,4- and 1,4,5,8-positions have been found during a Diels-Alder reaction, as proven by X-ray structure analysis.
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