886503-52-2

A mixture of n-butyllithium (8 mL, 20 mmol, 1 equiv, 2.5 M hexane) in Et2O (12 mL) was cooled to -78 0 C. The mixture was then cooled to -78 0 C. The mixture was then cooled to -78 0 C. The mixture was then cooled to -78 0 C. The mixture was then cooled t