Triethylamine → HCID 18920522, compound

Participants

Reaction Conditions

Reaction Steps

Cool to 0° C. a mixture containing 3.0 gm of the product of Step F, 3.3 ml of triethylamine and 70 ml of CH2Cl2. In a dropwise fashion add 1.22 ml of mesylchloride in 10 ml of CH2Cl2, and stir the resulting mixture at 0° C. for 11/2 hours. Pour the mixture into 100 ml of CH2Cl2, wash with 200 ml of 1N AcOH, 100 ml of water, 100 ml of sat'd sodium bicarbonate, dry over MgSO4 and remove the solvent in vacuo. Flash chromatograph the residue, eluting from silica gel with 60% EtOAc/hexane to obtain 3.5 gm of the desired product. Rf is 0.39.

Provenance & Evidence