Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 136, Issue 37, Pages 12828-12831Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja506577g
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Funding
- EPSRC
- University of Nottingham
- Royal Society
- Sino-British Fellowship Trust
- Royal Commission for Jubail and Yanbu, Jubail University College, Kingdom of Saudi Arabia
- Conacyt, Mexico
- ERC Advanced Grant
- NSFC-RS International Exchanges Scheme (China Costshare project) [NSFC-21001105]
- EPSRC [EP/K038869/1, EP/G005060/1, EP/I011870/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/G005060/1, EP/K038869/1, EP/I011870/1] Funding Source: researchfish
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A robust binary hydrogen-bonded supramolecular organic framework (SOF-7) has been synthesized by solvothermal reaction of 1,4-bis-(4-(3,5-dicyano-2,6-dipyridyl)dihydropyridyl)benzene (1) and 5,5'-bis(azanediyl)-oxalyl-diisophthalic acid (2). Single crystal Xray diffraction analysis shows that SOF-7 comprises 2 and 1,4-bis-(4-(3,5-dicyano-2,6-dipyridyl)pyridyl)benzene (3); the latter formed in situ from the oxidative dehydrogenation of 1. SOF-7 shows a three-dimensional four-fold interpenetrated structure with complementary O-H center dot center dot center dot N hydrogen bonds to form channels that are decorated with cyano and amide groups. SOF-7 exhibits excellent thermal stability and solvent and moisture durability as well as permanent porosity. The activated desolvated material SOF-7a shows high CO2 adsorption capacity and selectivity compared with other porous organic materials assembled solely through hydrogen bonding.
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