872280-40-5Relevant articles and documents
Attempted [2]Catenane Synthesis via a Quasi[1]catenane by a Templated Backfolding Strategy
Steemers, Luuk,Wanner, Martin J.,van Leeuwen, Bart R. C.,Hiemstra, Henk,van Maarseveen, Jan H.
, p. 874 - 878 (2018)
A templated backfolding concept to construct a [2]catenane was attempted via a quasi[1]catenane showing an inverted spiro geometry. The template is covalently connected to the ketal-connected semi-perpendicular-arranged linear precursors and spatially directs the sterically congested backfolding macrocyclizations that are required to give a quasi[1]catenane. So far, we are unable to hydrolyze the cyclic ketal to liberate the [2]catenane.