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Unravelling a fulvene based Replicator: Experiment and Theory in Interplay

机译:解开基于富凡的复制器:相互作用中的实验和理论

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A self-replicating system based on a cycloaddition of a fulvene derivative and a maleinimide is investigated using a two-pronged approach combining NMR spectroscopy with computer simulations. In the course of the reaction, two diastereomers are formed with identical rates in the absence of replication. When replication is enabled, a network emerges in which one diastereomer takes over the resources as a "selfish" autocatalyst while exploiting the competitor as a weak "altruist". The structure and dynamics of the reaction network is studied using 1 D and 2 D NMR techniques supported by dynamically averaged ab initio chemical shifts and ab initio molecular dynamics simulations. It is shown that this combination is a powerful means to understand the observed experimental behaviour in great detail.
机译:使用两点方法结合NMR光谱学和计算机模拟研究了基于富烯衍生物和马来酰亚胺的环加成的自我复制系统。在反应过程中,在没有复制的情况下以相同的速率形成两个非对映异构体。启用复制后,就会出现一个网络,其中一个非对映异构体以“自私”自动催化剂的身份接管资源,同时利用竞争者作为弱小的“利他主义者”。使用动态平均的从头算化学位移和从头算分子动力学模拟支持的1 D和2 D NMR技术,研究了反应网络的结构和动力学。结果表明,这种组合是了解所观察到的实验行为的有力手段。

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