308810-53-9

Upstream product

• 134-81-6 benzil 
• 308810-52-8 1,3-bis[3-(p-tolyl)-2-oxopropyl]benzene 
• 23786-13-2 methyl p-tolylacetate 
• 36076-19-4 dimethyl 2,2'-(1,3-phenylene)diacetate 

Downstream Products

• 308810-54-0 1,3-bis[4-(p-tolyl)-2,3,5,6-tetraphenylphenyl]benzene 

Relevant academic research and scientific papers

Giant cyclophanes built from polyphenyl aromatic substructures

Two very large cyclophanes (3, C132H92O8S4; 4, C172H120O8S4) were prepared by means of short syntheses (~5 steps) from commercial starting materials. In each of these cyclophanes, two octaphenylnaphthalene subunits or two 1,3-bis(pentaphenylphenyl)benzene subunits were tethered to form the final macrocycle. X-ray analysis of 3 shows it to have a collapsed conformation, but molecules of 4 have large central cavities which are aligned in the crystal to form wide, solvent-containing channels.