نتایج جستجو برای: aldol condensation
تعداد نتایج: 33583 فیلتر نتایج به سال:
Thioamides are the preferred pronucleophiles for direct catalytic asymmetric aldol reactions in the context of soft Lewis acid/hard Brønsted base cooperative catalysis. In-depth investigation of this proton-transfer catalysis, which is virtually in equilibrium, revealed that the prominence of the retro-aldol reaction depended on the substrate combination. The retro-aldol reaction is a serious i...
Structure, and consequently properties, of ionic liquids can be easily tailored by changing cation/anion combinations and/or attaching functional groups. By grafting enantiopure moieties to the framework liquid it is possible prepare bioinspired chiral molecules that serve as a reaction medium, additive or even asymmetric catalyst. In this context, new (CILs), based on biomolecules, such aminoa...
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