We have developed a versatile and simple synthetic method to produce a [3]catenane. Heating a rotaxane with bis(hindered amino) disulfide groups at both ends spontaneously and selectively produces the [3]catenane. The successful polymerization of the obtained [3]catenane provides a platform for the synthesis of various interlocking polymers.
R. Takashima, D. Aoki, A. Takahashi and H. Otsuka, Org. Biomol. Chem., 2024, 22, 927 DOI: 10.1039/D3OB01693E
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