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TfOH-promoted Traditional Nazarov-type Cyclization involving Benzofulvenes: Activity involving Polycyclic 5H,10'H-spiro[benzo[k]phenanthridine-5,6'-dibenzopentalenes].
TfOH-promoted Traditional Nazarov-type Cyclization involving Benzofulvenes: Activity involving Polycyclic 5H,10'H-spiro[benzo[k]phenanthridine-5,6'-dibenzopentalenes].