Stiff-Stilbene-Bridged Biscalix[4]arene as a Highly Light-Responsive Supramolecular Gelator.
Sign Up to like & getrecommendations! Published in 2021 at "Organic letters"
DOI: 10.1021/acs.orglett.1c00672
Abstract: A newly designed stiff-stilbene functionalized biscalix[4]arene in its cis form Z-1 could be near-quantitatively photoswitched to the trans-isomer E-1 under irradiation of 385 nm UV light. The trans-biscalix[4]arene E-1 was found to be a supergelator… read more here.
Keywords: biscalix arene; stiff stilbene; stilbene bridged; bridged biscalix ... See more keywords
Single-Wavelength Visible-Light-Induced Reversible Isomerization of Stiff-Stilbene under Dynamic Covalent Control
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DOI: 10.1021/acs.orglett.5c00707
Abstract: Formylation of stiff-stilbene enables isomerization by visible instead of UV light, as is monitored by UV–vis and 1H NMR spectroscopy. Further, it allows dynamic covalent imine formation, which gives rise to slightly blue-shifted absorbance. As… read more here.
Keywords: stiff stilbene; control; dynamic covalent; single wavelength ... See more keywords
Main-chain stiff-stilbene photoswitches in solution, in bulk, and at surfaces
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DOI: 10.1039/d4sc06470d
Abstract: Molecular photoswitches have been incorporated into polymer backbones to control the macromolecular conformations by structural changes of the main-chain photoswitches. However, previous photoswitches installed in the main chains are thermolabile, which precludes deep understanding, precise… read more here.
Keywords: stiff stilbene; solution; solution bulk; photoswitches solution ... See more keywords
Light and protonation-controlled complex formation between sulfate ions and a stiff-stilbene based bis(cyclopeptide)
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DOI: 10.1039/d5sc00766f
Abstract: Anion–ligand coordination has been used to generate a number of supramolecular structures. Of particular interest is the transformation between different types of complexes using various stimuli. While there are multiple examples where this has been… read more here.
Keywords: bis cyclopeptide; stiff stilbene; protonation; coordination ... See more keywords
Effect of ring rize on photoisomerization properties of stiff stilbene macrocycles
Sign Up to like & getrecommendations! Published in 2019 at "Beilstein Journal of Organic Chemistry"
DOI: 10.3762/bjoc.15.233
Abstract: A series of stiff stilbene macrocycles have been studied to investigate the possible impact of the macrocycle ring size on their photodynamic properties. The results show that reducing the ring size counteracts the photoisomerization ability… read more here.
Keywords: ring rize; stilbene macrocycles; stiff stilbene; effect ring ... See more keywords