Trifluoroacetic acid → HCID 49797053, compound

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Reaction Steps

To a stirred solution of the product from Step A in dichloromethane (5 mL) was added trifluoroacetic acid (1 mL) at room temperature. After stirring at room temperature for 1 h, the solvent was removed in vacuo and the residue was purified by HPLC (YMC Pro-C18 column, gradient elution, 10-90% acetonitrile/water with 0.1% TFA) to give the title compound. LC/MS 269.0 (M+1).

Provenance & Evidence