Equilibrium shift induced by chiral nanoparticle precipitation in rhodium-catalyzed disulfide exchange reaction
作者： Masamichi Miyagawa , Mieko Arisawa , Masahiko Yamaguchi
DOI: 10.1016/J.TET.2015.05.106
关键词: Molecular recognition 、 Chemistry 、 Organic chemistry 、 Diol 、 Catalysis 、 Molecule 、 Polymer chemistry 、 Kinetic resolution 、 Yield (chemistry) 、 Rhodium 、 Precipitation (chemistry)
摘要: Abstract Chiral silica (P)-nanoparticles grafted with (P)-helicene recognize the molecular structure of a chiral diol disulfide in presence monool and dibutyl disulfide. The selectively adsorb disulfide, aggregate, precipitate from solution. Under rhodium-catalyzed equilibrium among three disulfides, is removed solution by precipitation, which induces an shift By conducting precipitation experiment twice, we obtained 37% yield statistical 1:2:1 mixture disulfides. method applied to racemic optically active via kinetic resolution shift.
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