Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2170387Generated: October 29, 2026

Trifluoroacetic acid → (S)-N-(7-(5-amino-2-(1-amino-2-(3,5-difluorophenyl)ethyl)pyridin-3-yl)-4-chloro-1-methyl-1H-indazol-3-yl)methanesulfonamide TFA salt

https://huagongshe.com/reaction/2170387

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant(S)-tert-butyl (1-(5-amino-3-(4-chloro-1-methyl-3-(methylsulfonamido)-1H-indazol-7-yl)pyridin-2-yl)-2-(3,5-difluorophenyl)ethyl)carbamateHCID 90290153—
SolventDichloromethaneHCID 6344—
Product(S)-N-(7-(5-amino-2-(1-amino-2-(3,5-difluorophenyl)ethyl)pyridin-3-yl)-4-chloro-1-methyl-1H-indazol-3-yl)methanesulfonamide TFA saltHCID 131732937—

Reaction Steps

Compound 49A (60 mg) was dissolved in 2 mL of DCM and to it was added 0.3 mL of TFA. The reaction mixture was stirred at room temperature for 1 hour. The solvent was removed to afford the title product. MS (m/z): 507.00 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09050344B2
Source datasetuspto-grants-2015_06
ORD IDord-d74f150e0da74db3a3dabf43f34b9feb
Source noteuspto-grants-2015_06