The author of 《Mechanical Susceptibility of a Rotaxane》 were Zhang, Min; De Bo, Guillaume. And the article was published in Journal of the American Chemical Society in 2019. COA of Formula: C3H7BrO The author mentioned the following in the article:
We have investigated the mech. dissociation of an ammonium/crown ether rotaxane using exptl. (sonication) and computational (CoGEF) methods and found that it breaks faster than its noninterlocked or uncoupled interlocked (i.e., pulled from both sides of the axle) counterparts. This was confirmed by the anal. of the fragments, which are the results of a selective unstoppering reaction. Interestingly, the initial dissociation also triggered the elimination of the axle segment separating the stopper from the ammonium binding station. CoGEF calculations have shown that the constriction of the axle by the macrocycle during the elongation of the rotaxane provokes the accumulation of tensile and torsional stress that ultimately leads to the rupture of a covalent bond in the constricted section of the axle. Overall, these results suggest that the rotaxane architecture acts as a lever that accelerates the dissociation of interlocked covalent bonds. This phenomenon could impact the mech. properties of slide-ring materials at high strain. The experimental process involved the reaction of 3-Bromopropan-1-ol(cas: 627-18-9COA of Formula: C3H7BrO)
3-Bromopropan-1-ol(cas: 627-18-9) is used in the synthesis of fluorescent halide-sensitive quinolinium dyes, chiral, quaternary prolines through cyclization of quaternary amino acids and molten salt-polymers. It is utilized for the study of micellar media and in microemulsions based on cationic or a nonionic surfactant by reacting with phenols.COA of Formula: C3H7BrO
Referemce:
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