期刊
CRYSTENGCOMM
卷 17, 期 1, 页码 73-80出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ce01216j
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资金
- Vanier Canada Graduate Scholarship
- NSERC CREATE program in Green Chemistry
- Fulbright Canada Fellowship
- NSERC Discovery Grant program
- Canada Foundation for Innovation Leader's Opportunity Fund
- FRQNT Nouveaux Chercheurs program
Attempted cocrystallisation of brominated and iodinated octafluoroazobenzene derivatives with morpholine led to the exhaustive replacement of fluorine substituents that are in ortho-positions to the azobenzene with sterically demanding morpholine groups. The resulting molecules exhibit a highly unusual strained conformation of the azobenzene unit, in which the terminal phenyl rings adopt a mutually nearly completely orthogonal orientation. Substitution of ortho-fluorine groups with N-morpholine fragments provides molecules with active halogen bond donor and acceptor sites that guide the molecular selfassembly in the solid state towards the formation of polymeric halogen-bonded chains.
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