HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1850225Generated: October 30, 2026
Trifluoroacetic acid → HCID 86730280, compound
https://huagongshe.com/reaction/1850225
Participants
| Role | Name | HCID | Charge |
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| Reactant | Trifluoroacetic acid | HCID 6422 | — |
| Reactant | Diisopropylethylamine | HCID 81531 | — |
| Reactant | (S)-1-(2,3-Difluorophenyl)ethanamine | HCID 45072358 | — |
| Reactant | (S)-3-(2-chloropyrimidin-4-yl)-4-isopropyloxazolidin-2-one | HCID 86730167 | — |
| Solvent | Dimethyl Sulfoxide | HCID 679 | — |
| Product | HCID 86730280 | HCID 86730280 | 20.4% |
Reaction Steps
To a microwave vial with stir bar was added (S)-3-(2-chloropyrimidin-4-yl)-4-isopropyloxazolidin-2-one (24.96 mg, 0.103 mmol) in DMSO (1653 μL). To this reaction mixture was added (S)-1-(2,3-difluorophenyl)ethanamine (40 mg, 0.207 mmol) and DIEA (144 μL, 0.826 mmol). The vial capped and heated at 110° C. over the weekend. The solution was filtered, then purified by reverse phase HPLC. Product fractions combined, frozen and lyopholyzed to afford ((S)-3-(2-((S)-1-(2,3-difluorophenyl)ethylamino) pyrimidin-4-yl)-4-isopropyloxazolidin-2-one (10.2 mg, 0.021 mmol, 10.26% yield) as a TFA salt. 1H NMR (400 MHz, CD3OD) δ ppm 0.59 (br. s., 3H) 0.75 (br. s., 3H) 1.59 (d, J=6.99 Hz, 3H) 1.69 (br. s., 1H) 4.37 (d, J=5.67 Hz, 2H) 4.66 (br. s., 1H) 5.40 (d, J=7.38 Hz, 1H) 7.06-7.23 (m, 3H) 7.70 (d, J=6.90 Hz, 1H) 8.14 (d, J=6.46 Hz, 1H); LCMS m/z 363.3 (M+H)+, Rt 0.77 min.; HRMS(A) m/z 363.1642 (M+H)+, Rt 1.89 min.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08957068B2 |
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| Source dataset | uspto-grants-2015_02 |
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| ORD ID | ord-49fab11c73b54152bce6519214efa47d |
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| Source note | uspto-grants-2015_02 |
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