ChemSystemsChem : All Systems Go!

ChemSystemsChem : All Systems Go!
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ChemSystemsChem:所有系统都运行!

DOI:
10.1002/syst.201800001
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发表时间:
2018
期刊:
ChemSystemsChem
影响因子:
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通讯作者:
L. Jullien
L. Jullien
中科院分区:
--
文献类型:
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作者:
G. Heydenrych;W. Huck;L. Jullien

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当我们在大学里学习化学的时候,一切似乎都是干净、整齐、可预测的。特别是在有机化学中,我们会让分子以有序的方式相互反应,一个接一个,就像反应图上画的那样。当然,我们都在实验课上很快意识到,现实并不那么简单和可预测。随着研究的深入,我们意识到溶剂扮演着多么重要的角色,反应器的大小和形状也会产生影响,最终化学并不是简单、直接地与孤立的分子相互作用。实际上,每个化学实验都是由相互作用的组分组成的一个完整系统,在初始条件上的一个小变化,比如,反应容器上的一点污垢或划痕,或者少滴几滴溶剂,都可能导致完全不同的结果。在大多数情况下,这种不同的结果表现为烧瓶底部不溶的黑色混乱,但偶尔,结果会让我们感到惊讶和高兴。
When we were taught chemistry in our undergraduate courses, everything seemed neat and tidy and predictable. Especially in organic chemistry, one would have the molecules reacting with each other in an orderly fashion, one after the other, as drawn in the reaction scheme. Of course, we all realised quickly enough during lab course that reality is not quite as simple and predictable. As we progressed with our studies, we realised what a large role the solvent plays, and that the size and shape of the reactor has an effect and that ultimately chemistry is not about isolated molecules interacting with each other in a simple, straightforward way. In reality, each chemistry experiment consists of an entire system of interacting components and a small variation in the starting conditions, say, a speck of dirt or a scratch in the reaction vessel, or a few drops fewer of the solvent, could lead to a completely different outcome. In most cases, this different outcome manifests itself as an insoluble black mess in the bottom of the flask, but every now and again, the outcome surprises and delights us.