Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Scope of Co-catalyzed (trimethylsilyl)difluoromethylation[a]
|
Reaction conditions: TMSCF2Br (1.0 mmol), ArMgBr (0.20+0.50 mmol), CoBr2 (0.10 mmol), and ligand (0.10 mmol) in THF (4.0 ml) at room temperature for 2 h. [b] Isolated yields. [c] Yields were determined by 19F NMR spectroscopy with benzotrifluoride as an internal standard. [d] Slow addition of TMSCF2Br and ArMgBr for 4 h.
