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3146473 
Journal Article 
Synthesis of 6,7-benz[c]acephenanthrylene and its photodimerization to a simple molecular tweezer 
Magnus, P; Morris, JC; Lynch, V 
1997 
Synthesis
ISSN: 0039-7881
EISSN: 1437-210X 
506 
A short convenient synthesis of 6,7-benz[c]acephenanthrylene (2) is described. Solutions of C60 (1) in toluene exposed to laboratory lighting readily photodimerize to the cis-cyclobutane 14, with a molecule of toluene intercalated inside the molecular cleft. 
polycyclic aromatic hydrocarbons; corannulene; photocyclization; molecular tweezer