Methyl iodide → (R)-tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propyl(methyl)carbamate

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Reaction Steps

Following the procedure described for Example 647, (R)-tert-butyl 2-(2-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propylcarbamate (400 mg, 1 mmol) was reacted with methyl iodide (1M solution in toluene, 2 mL, 2 mmol) and NaHMDS (1 M solution, 2 mL, 2 mmol) to afford the desired product (330 mg, 82%) as viscous mass. ESI MS m/z 394 [C21H38BFNO4+H]+

Provenance & Evidence