HCID 66953086, compound → HCID 136331266, compound

Participants

Reaction Steps

The solution of the product of Example 76 (80 mg, 0.12 mmol) in trifluoroacetic acid (2 ml) was refluxed for 3 h and then concentrated under reduced pressure. The residue was dissolved in ethyl acetate (20 ml) and then a drop of HCl solution (37%) was added. The precipitates were collected by filtration and washed with ethyl acetate to give the title compound (40 mg, 56%).

Provenance & Evidence