Trifluoroacetic acid → HCID 58978922, compound

Participants

Reaction Steps

To a solution of the product from Example 27 (200 mg, 0.44 mmol) in methylene chloride (4 mL) was added trifluoroacetic acid (1 mL) and the resulting mixture was stirred for 2 h at room temperature. The solvents were removed in vacuo and the residue was purified by silica gel column chromatagraphy to obtain the product (120 mg, 69%) as a white solid.

Provenance & Evidence