Benzo[a]pyrene and its analogues: structural studies of molecular strain.


The molecular geometry of benzo[a]pyrene, its 4-methyl-and 3,11-dimethyl derivatives, benzo[e]pyrene, and two azabenzo[a]pyrenes are described. Results of these three-dimensional crystal structure determinations, together with those from previous studies in this laboratory of 11-methylbenzo[a]pyrene, indicate the extent to which nonbonded interactions… (More)


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