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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2069377Generated: November 1, 2026

Trifluoroacetic acid → 4-(2-(1-(2,2-Difluorobenzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamido)-5-methylpyrimidin-4-yl)benzoic acid

https://huagongshe.com/reaction/2069377

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantTert-butyl 4-(2-(1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamido)-5-methylpyrimidin-4-yl)benzoateHCID 57856181—
Product4-(2-(1-(2,2-Difluorobenzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamido)-5-methylpyrimidin-4-yl)benzoic acidHCID 57856179—

Reaction Steps

To tert-butyl 4-(2-(1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamido)-5-methylpyrimidin-4-yl)benzoate (68 mg, 0.13 mmol) DCM (1.42 mL) and TFA (1.00 mL) were added and stirred at room temperature for one hour. The DCM and TFA were evaporated under reduced pressure. The crude product was dissolved in DMSO (1 mL), filtered and purified by reverse phase preparative HPLC to yield 4-(2-(1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamido)-5-methylpyrimidin-4-yl)benzoic acid. ESI-MS m/z calc. 453.1, found 454.3 (M+1)+. Retention time 1.62 minutes.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08299099B2
Source datasetuspto-grants-2012_10
ORD IDord-dc789860e30a468d8219dc05f9bb0979
Source noteuspto-grants-2012_10