期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 24, 期 49, 页码 12950-12960出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201802031
关键词
chirality; crystal growth; self-assembly; porphyrinoids; zinc
资金
- Spanish Government (AEI/FEDER, UE) [MAT2013-47869-C4-1-P, MAT2015-65354-C2-1-R, MAT2016-77852-C2-1-R, CTQ2015-64579-C3-1-P]
- Generalitat de Catalunya
- FI-DGR
- ICREA academia
- MINECO [MAT2015-68994-REDC]
- Severo Ochoa Program for Centres of Excellence in RD [SEV-2015-0496, SEV-2013-0295]
A chiral Zn-II porphyrin derivative 1 and its achiral analogue 2 were studied in the solid state. Considering the rich molecular recognition of designed metalloporphyrins 1 and 2 and their tendency to crystallize, they were recrystallized from two solvent mixtures (CH2Cl2/CH3OH and CH2Cl2/hexane). As a result, four different crystalline arrangements (1 a,b and 2 a,b, from 0D to 2D) were obtained. Solid-state studies were performed on all the species to analyze the role played by chirality, solvent mixtures, and surfaces (mica and HOPG) in the supramolecular arrangements. By means of combinations of solvents and substrates a variety of microsized species was obtained, from vesicles to flower-shaped arrays, including geometrical microcrystals. Overall, the results emphasize the environmental susceptibility of metalloporphyrins and how this feature must be taken into account in their design.
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