Synthesis of Benzo[<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>b</mml:mi></mml:math>]fluorenone Nuclei of Stealthins : Scheme 3

]>Synthesis of Benzo[<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>b</mml:mi></mml:math>]fluorenone Nuclei of Stealthins : Scheme 3

Scheme 3: Intramolecular carbonyl-ene approach.