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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 556708Generated: October 28, 2026

Hydrochloric Acid → HCID 178490677, compound

https://huagongshe.com/reaction/556708

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 178490678HCID 178490678—
SolventMethanolHCID 887—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 178490677HCID 17849067759%

Reaction Steps

In a 20 mL vial, to a solution of Example 59B (75 mg, 0.156 mmol) in MeOH (1 mL) was added a solution of hydrogen chloride (0.039 mL, 0.156 mmol) in dioxane and the mixture was stirred for 24 hr. The reaction was concentrated and the residue was purified by preparative HPLC on a Waters Symmetry C8 column (25 mm×100 mm, 7 μm particle size) using a gradient of 10-100% acetonitrile (A) and 10 mM ammonium acetate in water (B), at a flow rate of 2.0 mL/min (0-0.1 min 10% A, 0.1-2.6 min 10-100% A, 2.6-2.9 min 100% A, 2.9-3.0 min 100-10% A. 0.5 min post-run delay) to obtain the title compound (32 mg, 59%). 1H NMR (300 MHz, METHANOL-d4) δ ppm 1.26 (d, J=6.78 Hz, 3H) 1.40 (s, 9H) 3.64-3.73 (m, 1H) 3.86 (s, 3H) 4.26-4.31 (m, 2H) 7.09 (d, J=8.82 Hz, 1H) 7.18 (s, 1H) 7.41 (dd, J=8.82, 2.71 Hz, 1H) 7.74 (d, J=2.71 Hz, 1H); MS (DCI) m/z 382 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08058293B2
Source datasetuspto-grants-2011_11
ORD IDord-ea988a183aff4d60a58a6ef7151c3670
Source noteuspto-grants-2011_11