Phosphorodichloridic acid, phenyl ester → HCID 10423520, compound

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Reaction Steps

At ambient temperature, add a solution of 5.3 g (0.025 mol) of phenyl dichlorophosphate in 100 ml of dichloromethane to a solution of 5 g (0.02 mol) of 4-methoxy-3-(4-methyl piperazin-1-yl)benzoic acid [J. Med. Chem., 37 (15), 2255 (1994)] and 3.25 g (0.05 mol) of sodium azide in 4.05 ml of pyridine. After stirring for 12 hours, wash the organic phase with 100 ml of water, separate off the organic phase, dry it over magnesium sulphate and evaporate off the solvent in vacuo at 30° C.

Provenance & Evidence