反应详情

2.3 g of N-tert.butyloxycarbonyl-L-glutamic acid 1-tert.-butyl ester (7.58 mmol) are dissolved in 80 ml of methanol and a freshly prepared diazomethane solution (23 mmol of Diazald®) is added dropwise at room temperature. After one hour, the solvent is removed under vacuum. The compound is purified using chromatography on silica gel. (column: 18.5*4 cm, DCM/MeOH=99/1, Rf=0.99).

1. customthe solvent is removed under vacuum
2. customThe compound is purified