Trifluoroacetic acid → HCID 66685785, compound

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Reaction Steps

A mixture of [[3-[[[4-[5-[(cyclopropylamino)carbonyl]-2-methylphenyl]-3,4-dihydro-3-oxopyrazinyl]amino]methyl]phenyl]methyl]-carbamic acid, 1,1-dimethylethyl ester (Example 51,90 mg), dichloromethane (2 mL) and trifluoroacetic acid (0.5 mL) was stirred at room temperature for 30 min. The mixture was concentrated in vacuo. Purification by preparative HPLC (Gemini column, 0.1% ammonia:acetonitrile eluent) afforded the title compound as a solid (22 mg).

Provenance & Evidence