基于柱芳烃的主客体相互作用构筑分子逻辑门

夏丹玉, 程玉洁, 张美茹, 魏学红

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山西大学学报(自然科学版) ›› 2025, Vol. 48 ›› Issue (3) : 589-595. DOI: 10.13451/j.sxu.ns.2024059
化学

基于柱芳烃的主客体相互作用构筑分子逻辑门

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A Molecular Logic Gate Constructed by Pillararene-based Host-guest Interactions

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摘要

本文基于吗啉基团修饰的柱［5］芳烃主体H1和有机胺盐客体分子G1，建立了具有pH响应性的主客体识别体系。在中性条件下，H1和G1发生主客体络合形成［2］准轮烷。该主客体体系具有双重pH响应性：在酸性条件下，主体H1被质子化转变成H2，从而与客体G1解络合；在碱性条件下，客体G1转变成G2， 主客体络合物也发生解离。利用这一主客体识别体系，将主客体络合物、酸和碱作为输入信息，在不同的组合条件下输出不同的信息，从而成功实现了分子逻辑门的构筑。

Abstract

A pH-responsive host-guest recognition system based on the morphine group modified pillar[5]arene host (H1) and the organic amine salt guest molecule G1 was constructed. Under neutral conditions, H1 and G1 formed a [2]pseudorotaxane after host-guest complexation. This host-guest system displayed dual-pH responsive property; under acidic conditions, H1 was protonated and converted into H2, resulting in the disassociation with G1; under basic conditions, G1 was transformed into G2, leading to the disassociation of the host-guest complex. Based on this host-guest system, we have successfully constructed a molecular logic gate system in which different combinations of host-guest complexes, acids and bases acted as input and outputted different information.

关键词

分子逻辑门 / 主客体识别 / 柱芳烃 / 超分子化学

Key words

molecular logic gates / host-guest recognition / pillararenes / supramolecular chemistry

中图分类号

O641.3

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夏丹玉 , 程玉洁 , 张美茹 , 等. 基于柱芳烃的主客体相互作用构筑分子逻辑门. 山西大学学报(自然科学版). 2025, 48(3): 589-595 https://doi.org/10.13451/j.sxu.ns.2024059
XIA Danyu, CHENG Yujie, ZHANG Meiru, et al. A Molecular Logic Gate Constructed by Pillararene-based Host-guest Interactions[J]. Journal of Shanxi University(Natural Science Edition). 2025, 48(3): 589-595 https://doi.org/10.13451/j.sxu.ns.2024059

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基金

国家自然科学基金(21901149)
山西省自然科学基金(202303021211005)

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