L-Proline → HCID 178469435, compound

Participants

Reaction Steps

To a solution of ethyl 2-(3,4-dihydroisoquinolin-2(1H)-yl)-4-oxo-4,5-dihydrofuran-3-carboxylate (0.15 g, 0.60 mmol) which similarly prepared according to the procedure described in the Example 4, First step and 7-azaindole-3-carboxaldehyde (0.091 g, 0.60 mmol) in ethanol (5.0 mL), L-proline (0.0070 g, 0.060 mmol) was added at ambient temperature. The mixture was refluxed for 3 days. Cooled to ambient temperature, the precipitate was collected by filtration, washed with methanol then dried to afford the titled compound as solid (0.037 g, y. 14%).

Provenance & Evidence