In: Organic & Biomolecular Chemistry, 2020, vol. 18, no. 40, p. 8034–8057
Metathesis reactions are one of the most reliable and prevalent ways of creating a C– C bond in synthesis. Photochemical variants exist, and they have proven extremely useful for the construction of complex molecules, from natural products to Möbius rings. A variety of starting materials can undergo photometathesis reactions, including alkenes, alkynes, carbonyls, thiocarbonyls, and...
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In: ACS Sensors, 2020, vol. 5, no. 8, p. 2338–2343
Reactions templated by nucleic acids are currently at the heart of applications in biosensing and drug release. The number of chemical reactions selectively occurring only in the presence of the template, in aqueous solutions, and at room temperature and able to release a chemical moiety is still very limited. Here, we report the use of the p-nitrophenyl carbonate (NPC) as a new reactive...
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In: CHIMIA International Journal for Chemistry, 2019, vol. 73, no. 9, p. 720–723
Photochemical reactions are often presented as intrinsically environmentally friendly ('green'). This may be indeed the case, but only in particular circumstances. This short essay comments on various aspects of the greenness of photochemical reactions, both in a historical (when only mercury-based hard UV light sources were available) and a current (with the recent introduction of LED...
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In: The Journal of Organic Chemistry, 2019, vol. 84, no. 12, p. 7776–7785
A self-immolative dendritic structure was synthesized. It is based on phenol derivatives with three hydroxymethyl arms at both ortho and para positions of the core unit, potentially releasing up to 27 leaving groups in a third-generation dendrimer. The triggering event is the photolysis of a photosentive ortho-nitrobenzyl group. In doing so, we expected to transform a weak chemical or...
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In: Algorithmica, 2014, vol. 68, no. 1, p. 265-283
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In: European Journal of Organic Chemistry, 2018, vol. 2018, no. 3, p. 316–328
The photochemical extrusion of gaseous nitrogen from 2,5-disubstituted tetrazoles to generate reactive nitrilimines in situ represents an efficient and attractive way to form dipoles that can be used to provide useful chemicals via 1,3-dipolar cycloadditions. The concept of “photoclick chemistry” already inspired numerous researchers, who exploited photochemical processes involving...
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In: European Journal of Organic Chemistry, 2017, vol. 2017, no. 22, p. 3197–3210
The photolysis of N-aryltriazoles and N-arylbenzotriazoles leads to indoles and carbazoles, respectively. Because libraries of triazoles can be accessed rapidly, for example by the copper-catalyzed [3+2] cycloaddition reaction between alkynes and azides, this reaction allows the preparation of indoles in a single operation, by the simultaneous photolysis of the precursor library. As an example of...
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In: Monthly Notices of the Royal Astronomical Society, 2012, vol. 423, no. 4, p. 3445-3457
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In: Pure and Applied Chemistry, 2006, vol. 78, no. 2, p. 241-247
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In: Nature Materials, 2017, vol. 16, no. 4, p. 467–473
Photochemical reactions are essential to a large number of important industrial and biological processes. A method for monitoring photochemical reaction kinetics and the dynamics of molecular excitations with spatial resolution within the active molecule would allow a rigorous exploration of the pathway and mechanism of photophysical and photochemical processes. Here we demonstrate that...
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