科研之友
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摘要
A new series of organocatalysts able to catalyse Diels-Alder cycloaddition reactions of alpha,beta-unsaturated aldehydes was studied from both synthetic and theoretical perspectives. The importance of the imidazolidinone scaffold and the influence of the functional groups upon the formation of the reactive species was evaluated. Moreover taking into account that all these new organocatalysts gave the exo-cycloadducts as the major isomers with high selectivity a theoretical study was realized to try and define the essential features determining the observed stereochemical preference.
- 出版日期2011-10
