Triethylamine → 159525-92-5

Participants

Reaction Conditions

Reaction Steps

A solution of L-proline methyl ester hydrochloride (0.33 g, 0.002 mole) in toluene (5 ml), dichloromethane (2 ml) and triethylamine (0.6 ml, 0.004 mole) was added dropwise over a period of 3 minutes to a cold (−20° C.) solution of sulfuryl chloride (0.32 ml, 0.0039 mole) in toluene. The mixture was stirred an additional 45 minutes at −20° C. The reaction was filtered and the solvent was removed under reduced pressure to give the title compound (0.40 g). 1H NMR (300 MHz, CDCl3) δ 2.13 (m, 2 H) 2.32 (m, 2 H) 3.58 (m, 1 H) 3.75 (m, 1 H) 3.79 (s, 3 H) 4.40 (dd, J=8.82, 4.04 Hz, 1 H).

Provenance & Evidence