反应详情

99.4 mg of (5-hydroxymethyl-furan-2-ylmethyl)-carbamic acid tert-butyl ester was added to 4.5 mL of toluene, added successively with 83.7 mg of 1,8-diazabicyclo[5,4,0]undec-7-ene and 151.6 mg of diphenylphosphoryl azide, and stirred at room temperature under nitrogen atmosphere for 1 hour and 45 minutes. Then the solvent was evaporated, followed by purification and separation by silica gel column chromatography, to afford 88.6 mg of the title compound as a colorless oil.

1. customThen the solvent was evaporated
2. customfollowed by purification and separation by silica gel column chromatography