Abstract
The macrotricyclic title compound, C36H64N4O14·2C6H6, is located on a crystallographic center of symmetry. The molecule has four tertiary amide bridgehead atoms and consists of two unsymmetrical 20-membered diazatetraoxamacrocycles (N2O4 donor atom set) connected through the N atoms by two lateral oxydiethylene bridges. The bridging subunits, together with the short bridging strand (NCCOCCN) from each monocycle, define a 24-membered ring (N4O4 donor atom set) that forms a central cavity.
Highlights
The macrotricyclic title compound, C36H64N4O142C6H6, is located on a crystallographic center of symmetry
The authors thank the National Science Foundation (CHE-0130835) and the University of Oklahoma for funds to acquire the diffractometer and computers used in this work
The tricyclic tetralactam was obtained as the 2 + 2 cycloaddition product from the reaction of 1,7-diaza-4,11,14,17-tetraoxacycloicosane (3.56 mmole) in 150 ml toluene and 2,2′-oxydiacetyl chloride (3.54 mmole) in 150 ml toluene
Summary
The bridging subunits, together with the short bridging strand (NCCOCCN) from each monocycle, define a 24-membered ring (N4O4 donor atom set) that forms a central cavity
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