Iodine → 2-Tert-butyl-4-iodoaniline

Participants

Reaction Conditions

Reaction Steps

In a 500 mL round-bottomed flask was combined 2-tert-butylaniline (7.46 g, 50 mmol) and sodium bicarbonate (7.56 g, 90 mmol) in water (50 mL). The mixture was cooled to 0° C. and iodine (12.69 g, 50.0 mmol) was added portion-wise over 20 minutes. The mixture was stirred for 16 hours at room temperature, partitioned between ethyl acetate and 10% aqueous sodium thiosulfate and stirred vigorously for 20 minutes. The ethyl acetate layer was washed with brine, dried (Na2SO4), filtered and concentrated in vacuo to give a dark oil that was purified on an Isco 120 g silica cartridge eluting with ethyl acetate/hexane (0% to 10%) to give the title compound.

Provenance & Evidence