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Triangular building blocks for a supramolecular construction set

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Project Identification
Project Period
1/2005 - 12/2007
Investor / Pogramme / Project type
Czech Science Foundation
MU Faculty or unit
Faculty of Science
macrocycles, bicyclopentanes, rod-like molecules, supramolecular chemistry, nanostructures

The main goal of this project is to design and synthesize a new class of triangle-like macrocyclic molecular building blocks for construction of 2D as well as 3D layers and arrays, respectively. Equilateral triangle sides are supposed to consist ofrod-li ke molecules based on bicyclo[1.1.1]pentane-1,3-diyl structural motif, which connect vertices bearing active sites (various ligand functionalities) for construction of supramolecular assemblies. The ligand functionality can be placed to the one,two or al l of three vertices of the triangle making possible construction of various supramolecular patterns. The proposed triangle-shaped molecules are designed with aromatic phenanthrene connectors at their vertices, which serve as 60° angle cornersconnected in their 3 and 6 positions by linear linkers. Synthesis can be divided in two parts. First, the preparation of future triangle sides, rod-like BCP or staffanes molecules with suitable functionalities at bridgeheads positions; second, linking of