反应详情

Reaction of [2'-(N-t-butylsulfamoyl)biphenyl-4-yl]methyl bromide (from Step D) with lithium azide was carried out according to the procedure of Example 9, Step A. The crude product was purified by flash chromatography on silica gel (elution with 10% EtOAc in hexane) to give a 74% yield of the title compound as a white solid; satisfactory purity (by TLC in 9:1 hexane-EtOAc) for use in the next step.

1. customThe crude product was purified by flash chromatography on silica gel (elution with 10% EtOAc in hexane)