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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1294668Generated: November 3, 2026

Hydrochloric Acid → HCID 69520371, compound

https://huagongshe.com/reaction/1294668

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1,4-DioxaneHCID 31275—
ReactantHCID 11313292HCID 11313292—
SolventEthyl AcetateHCID 8857—
ProductHCID 69520371HCID 69520371—

Reaction Steps

The product of Example 20A (170 mg, 0.53 mmol) in ethyl acetate (5 mL) was treated with 4M HCl in 1,4-dioxane (0.5 mL, 2 mmol). The title compound was obtained as solid (110 mg, yield, 58%). 1H NMR (MeOH-d4, 300 MHz) δ 1.85–1.95 (m, 1H), 1.97–2.08 (m, 1H), 2.10–2.18 (m, 1H), 2.25–2.40 (m, 1H), 2.52–2.58 (m, 1H), 3.30–3.50 (m, 5H), 3.78–3.85(m, 1H), 4.92 (m, 1H), 7.00 (d, J=9.1 Hz, 2H), 7.50 (t, J=7.8 Hz, 2H), 7.57 (t, J=7.1 Hz, 1H), 7.63 (d, J=9.0 Hz, 2H), 7.92 (d, J=7.5 Hz, 2H) ppm. MS (DCl/NH3) m/z 323 (M+H)+. Anal. Calculated for C20H22N2O2.1.0HCl: C, 66.94; H, 6.46; N, 7.81. Found: C, 66.73; H, 6.59; N, 7.64.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07241773B2
Source datasetuspto-grants-2007_07
ORD IDord-d711acaaae3b49f6894f9cc2c213e0ad
Source noteuspto-grants-2007_07