Trifluoroacetic acid → HCID 68830743, compound

Participants

Reaction Steps

Deprotection of N1-BOC-(1S,3R)-3-(2H-indazol-2-ylmethyl)cyclopentan-1-amine (400 mg, 1.27 mmol), the more polar isomer from Step 1, Example 67, using TFA (3 ml) in dry dichloromethane (3 ml) as described in Example 1, Step 2 gave 273 mg of the amine as its TFA salt, which was used as such for the coupling reaction.

Provenance & Evidence