Sodium methanesulfinate → 3-Bromo-2-chloro-5-((methylsulfonyl)methyl)pyridine

Participants

Reaction Conditions

Reaction Steps

Sodium methanesulfinate (0.748 g, 7.32 mmol) and the product from Example 143A (1.9 g, 6.66 mmol) were combined in N,N-dimethylformamide (4.44 mL) and heated at 65° C. for 1 hour. The reaction mixture was cooled and diluted with 200 mL of cold water producing a precipitate that was collected by filtration and dried to constant mass affording the title compound (1.6 g, 84%).

Provenance & Evidence