Trifluoroacetic acid → HCID 67429183, compound

Participants

Reaction Steps

To a solution of 2.00 g of the compound obtained in Step 86-2 in CHCl3 (30 ml) was added TFA (6 ml) under ice cooling, then, the reaction solution was stirred at room temperature for 13 hours. The reaction solution was concentrated under reduced pressure to obtain 3.47 g of the title compound (yellow oil form, crude form).

Provenance & Evidence