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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2405949Generated: October 29, 2026

Hydrochloric Acid → HCID 66558301, compound

https://huagongshe.com/reaction/2405949

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 86710250HCID 86710250—
SolventEthanolHCID 702—
ProductHCID 66558301HCID 6655830123.5%

Reaction Steps

To a solution of (2R)-2-methyl-2-(methylsulfonyl)-4-{4-[4-(1,3-oxazol-2-yl)phenyl]-1H-pyrazol-1-yl}-N-(tetrahydro-2H-pyran-2-yloxy)butanamide (0.031 g, 0.063 mmol) in EtOH (20 mL) was added 6M HCl (5 mL). The reaction mixture was allowed to stir at room temperature overnight. The reaction mixture was concentrated and was purified via reverse-phase chromatography, using 5%-95% acetonitrile/water with 0.1% formic acid modifier. The target fractions were combined and evaporated to give (2R)—N-hydroxy-2-methyl-2-(methylsulfonyl)-4-{4-[4-(1,3-oxazol-2-yl)phenyl]-1H-pyrazol-1-yl}butanamide (6 mg, 20% yield) as a white solid. 1H NMR (400 MHz, CHLOROFORM-d) δ 1.22-1.30 (m, 3H), 2.44-2.59 (m, 1H), 2.76-2.92 (m, 1H), 2.94-3.11 (m, 3H), 4.19-4.45 (m, 2H), 7.23 (s, 1H), 7.45-7.56 (m, 2H), 7.66-7.74 (m, 2H), 7.80-7.86 (m, 1H), 7.93-8.06 (m, 2H). LC-MS M+H+405.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08809333B2
Source datasetuspto-grants-2014_08
ORD IDord-7e7825dd95244f9ab3ac255b0e22071e
Source noteuspto-grants-2014_08