反应详情

Methyl 4-amino-3-hydroxybenzoate (1.23 g, 7.36 mmol) (commercially available from Pfaltz & Bauer Chemicals Catalog (Order Number A22677)) and 1,1′-carbonyldiimidazole (1.19 g, 7.36 mmol) in 20 mL THF were heated by microwave at 100° C. for 10 minutes. The reaction mixture was used directly for next step. LCMS (API-ES) m/z: 194 (M+H+).