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Updated: Jun 3, 2026

Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly
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Published on: February 6, 2020

在分子尺度上解决二维金属-超分子自组合的热力学和选择性

Ziliang Shi1, Jun Liu, Tao Lin

  • 1Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China.

Journal of the American Chemical Society
|April 7, 2011
PubMed
概括

这项研究揭示了2D金属-超分子自我组装在分子水平上是如何发生的. 研究人员发现,铁协调网络显示出优越的热稳定性和选择性结合,可通过特定的组装路径控制.

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Thermal Electrocyclic Reactions: Stereochemistry01:17

Thermal Electrocyclic Reactions: Stereochemistry

The stereochemistry of electrocyclic reactions is strongly influenced by the orbital symmetry of the polyene HOMO. Under thermal conditions, the reaction proceeds via the ground-state HOMO.
Selection Rules: Thermal Activation
Conjugated systems containing an even number of π-electron pairs undergo a conrotatory ring closure. For example, thermal electrocyclization of (2E,4E)-2,4-hexadiene, a conjugated diene containing two π-electron pairs, gives trans-3,4-dimethylcyclobutene.