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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 711449Generated: October 26, 2026

Trifluoroacetic acid → Methyl 2-(1H-indazol-6-ylamino)-6-((1R,2S)-2-aminocyclohexylamino)-4-cyanonicotinate

https://huagongshe.com/reaction/711449

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantMethyl 2-(1H-indazol-6-ylamino)-6-((1R,2S)-2-(tert-butoxycarbonylamino)cyclohexylamino)-4-cyanonicotinateHCID 67238712—
SolventDichloromethaneHCID 6344—
ProductMethyl 2-(1H-indazol-6-ylamino)-6-((1R,2S)-2-aminocyclohexylamino)-4-cyanonicotinateHCID 58317648—

Reaction Steps

A solution of methyl 2-(1H-indazol-6-ylamino)-6-((1R,2S)-2-(tert-butoxycarbonylamino)cyclohexylamino)-4-cyanonicotinate (110 mg, 0.218 mmol) and TFA (2 mL, 26.9 mmol) in DCM (1 mL) was stirred at room temperature for 3 h. Following reaction, the mixture was concentrated in vacuo to give the title compound, which was used in the next step without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09181255B2
Source datasetuspto-grants-2015_11
ORD IDord-f9ac82ae169c43d385964e8387b6c191
Source noteuspto-grants-2015_11