Methanesulfonyl chloride → (1-Methylcyclopropyl)methyl methanesulfonate

Participants

Reaction Conditions

Reaction Steps

Treat a 0° C. solution of (1-methylcyclopropyl)methanol (1.0 g, 11.61 mmol) in DCM (50 mL) with TEA (1.29 g, 12.77 mmol), add methanesulfonyl chloride (1.46 g, 12.77 mmol) drop-wise and stir at 0° C. for 2 h. Warm the mixture to RT, wash with H2O, then brine, dry over Na2SO4 and concentrate to dryness to afford the title compound (1.85 g, 97%) as an oil. 1H NMR (400 MHz, DMSO-d6): δ 4.05 (s, 2H), 3.20 (s, 3H), 1.17 (s, 3H), 0.59 (m, 2H), 0.47 (m, 2H).

Provenance & Evidence