Trifluoroacetic acid → HCID 178512854, compound

Participants

Reaction Steps

To methylene chloride solution of the compound obtained in Example 115 (2.8 g) was added dropwise trifluoroacetic acid (50 mL) at room temperature, and the mixture was allowed to stir for 24 hours. To the residue obtained by distilling off the solvent under a reduced pressure was added diethylether, and the mixture was stirred for 24 hours at room temperature. The crystals precipitated were filtered, to give the captioned compound (1.4 g, 68%).

Provenance & Evidence