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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1011282Generated: October 31, 2026

Hydrochloric Acid → 1018987-99-9

https://huagongshe.com/reaction/1011282

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanttert-butyl 4-((4-(N-(2-hydroxyethyl)-N-methylcarbamoyl)phenyl)(quinolin-8-yl)methylene)piperidine-1-carboxylateHCID 24897464—
Solvent1,4-DioxaneHCID 31275—
Product1018987-99-9HCID 24897669100%

Reaction Steps

Compound 1B (4.7 g, 9.3 mmol) was treated with 4N HCl in dioxane (30 mL). 10 min. later, the mixture was decanted, and the solid was stirred in ether (40 mL) for 2 h. The ether was then decanted and the remaining yellow solid dried under high vacuum to yield 3.7 g 1C (100%). 1H NMR (300.132 MHz, DMSO, 90° C.) δ 8.98 (s, 1H), 8.47 (d, J=8.1 Hz, 1H), 7.96 (d, J=6.6 Hz, 1H), 7.69-7.57 (m, 3H), 7.38 (d, J=8.0 Hz, 2H), 7.29 (d, J=8.3 Hz, 2H), 3.53 (t, J=5.8 Hz, 2H), 3.36 (t, J=5.7 Hz, 2H), 3.23 (t, J=6.0 Hz, 2H), 3.07 (t, J=6.0 Hz, 2H), 2.92 (s, 3H), 2.63 (t, J=6.0 Hz, 2H), 2.15 (t, J=6.0 Hz, 2H). TOF MS ES+ 402.17.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07977355B2
Source datasetuspto-grants-2011_07
ORD IDord-de0bc1f5755b4e329acd81012b6d44c1
Source noteuspto-grants-2011_07