Design and synthesis of a novel Rhodamine B [2]rotaxane?

RSC Advances Pub Date: 2013-03-15 DOI: 10.1039/C3RA40968F

Abstract

The synthesis and characterization of a novel Rhodamine B [2]rotaxane is described. This species contains dibenzyl-24-crown-8 (DB24C8) as a wheel, which is threaded onto a sec-ammonium-containing axle. The axle has a Rhodamine B unit and a 2,2-diphenylethanamine unit as two bulky terminal stoppers to prevent unthreading.

Graphical abstract: Design and synthesis of a novel Rhodamine B [2]rotaxane
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