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4 days ago · The Meyer–Schuster rearrangement is the chemical reaction described as an acid-catalyzed rearrangement of secondary and tertiary propargyl alcohols to α,β-unsaturated ketones if the alkyne group is internal and α,β-unsaturated aldehydes if the alkyne group is terminal.
2 days ago · A mild and chemoselective method for the thioacylation of amines, including amino acids and peptides, using gem-difluoroalkenes and sulfide, is reported. The distinguishing of the different nucleophilic sites (S-site and diverse N-sites) by the chemoselective C–F bond functionalization of gem-difluoroalkenes enables the unique synergistic defluorinative coupling reaction. This reaction ...
3 days ago · Simulation results yielded a comprehensive reaction network of the synthesis process, including chain initiation, propagation, decomposition, transfer, and termination. Meanwhile, a detailed kinetic model was constructed based on theoretical reaction rates of relevant elementary reactions.
2 days ago · This reaction produced PEI-1 in high molecular weight (M n 46,100 g mol −1) and narrow dispersity (Ð 1.22) suggesting that 5 is a possible intermediate in the synthesis of PEI-1.
4 days ago · The Corey–Itsuno reduction, also known as the Corey–Bakshi–Shibata (CBS) reduction, is a chemical reaction in which a prochiral ketone is enantioselectively reduced to produce the corresponding chiral, non-racemic alcohol.
4 days ago · Reaction mechanism. The frontier orbital interactions involved in the Prilezhaev reaction. The reaction proceeds through what is commonly known as the "butterfly mechanism", first proposed by Bartlett, wherein the peracid is intramolecularly hydrogen-bonded at the transition state. [5]
5 days ago · Engineering a reaction pathway to harmonize the competition between nitrogen reduction reaction (NRR) and hydrogen evolution reaction (HER) is an active strategy toward efficient ammonia synthesis. Herein, we insert a “hydrogen state switching” reaction between the NRR and HER in ammonia synthesis.
