Native label-free protein sugars are cleaner and sweeter to identify, quantitate, and taste using CE-MS!
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https://www.nature.com/articles/s41467-023-37365-4
Stereoselective conjugate cyanation of enals by combining photoredox and organocatalysis
By combining asymmetric organocatalysis and photoredox catalysis, we report an “umpolung” strategy for the first enantioselective β-cyanation of enals without formation of cyanohydrin. This strategy also enabled asymmetric formation of 1,6-dicarbonyl compounds through cross-electrophile coupling.
Photocatalytic H2O2 Production with both O2 Reduction and Water Oxidation
The efficient production of H2O2 from only H2O and O2 was realized by a self-assembled porphyrin-based photocatalyst, and the effect of carboxylic groups in the water oxidation to produce H2O2 was revealed.
A recyclable stereoauxiliary aminocatalyzed strategy for one-pot synthesis of indolizine-2-carbaldehydes
We propose in this study an iminium ion/enamine tandem sequence that could efficiently overcome energy barriers encountered in Michael and aldol reactions during [3+2] annulations of acyl pyridines and α,β-unsaturated aldehyde for the construction of diverse indolizine-2-carbaldehydes.
