2-Ethoxy-1-(ethoxycarbonyl)-1,2-dihydroquinoline → HCID 178453531, compound

Participants

Reaction Steps

529 mg (3.4 mmol) 5-Cyclopropyl-2H-pyrazole-3-carboxylic acid were suspended in 9 ml THF and 834 mg (3.4 mmol) EEDQ were added. The mixture was stirred for 10 min at room temperature and subsequently 900 mg (3.4 mmol) [1-(3-Amino-phenyl)-3-hydroxy-propyl]-carbamic acid tert-butyl ester dissolved in 9 ml THF were added. The mixture was stirred overnight at room temperature, evaporated to dryness. The residue was dissolved in ethyl acetate and washed with 1 N NaOH, 10% citric acid and brine. The organic layer was dried over Na2SO4 and evaporated to dryness. 1.37 g, clear oil.

Provenance & Evidence