Materials and Methods. Commercial-grade reagents and solvents were used without further purification except as indicated. CH2Cl2 and THF were dried prior to use by percolation through anhydrous Al2O3 as described by Grubbs and coworkers. 10 Fluorene was recrystallized from ethanol. n-Butyllithium was titrated with 2-butanol using 1, 10- phenanthroline as indicator and toluene as solvent. 11 p-Methoxybenzylamine was ...
[Chinchilla, Rafael; Dodsworth, David J; Najera, Carmen; Soriano, Jose M Bioorganic and medicinal chemistry letters, 2002 , vol. 12, # 14 p. 1817 - 1820]