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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2062300Generated: November 2, 2026

Hydrochloric Acid → HCID 136366951, compound

https://huagongshe.com/reaction/2062300

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantDiethyl EtherHCID 3283—
ReactantHCID 137227865HCID 137227865—
SolventDichloromethaneHCID 6344—
ProductHCID 136366951HCID 136366951—

Reaction Steps

To a solution of ((S)-1-(2-(2-fluoro-6-hydroxyphenyl)-7-methylquinazolin-4-yl)piperidin-3-yl)methylcarbamate (352 mg, 0.75 mmol) in CH2Cl2 (3 mL) was added dropwise a 2.0 M HCl solution in ether (0.375 mL, 0.75 mmol) under an N2 atmosphere. It was followed by the addition of 20 mL ether which lead to the precipitation of 2-methoxyethyl((S)-1-(2-(2-fluoro-6-hydroxyphenyl)-7-methylquinazolin-4-yl)piperidin-3-yl)methylcarbamate hydrochloride (350 mg, 92%) which was then filtered and dried. LC/MS: m/z 469.5 (M+H)+ at 2.29 min (10%-99% CH3CN (0.035% TFA)/H2O (0.05% TFA)). 1H NMR (400 MHz, DMSO-d6) δ 7.97 (d, J=7.9 Hz, 1H), 7.63 (s, 1H), 7.45 (m, 3H), 6.89 (d, J=8.3 Hz, 1H), 6.82 (t, J=9.5 Hz, 1H), 4.54 (s, 1H), 4.03 (d, J=2.7 Hz, 2H), 3.47 (t, J=4.6 Hz, 4H), 3.24 (s, 3H), 2.99 (m, 2H), 2.54 (s, 3H), 1.89 (m, 3H), 1.70 (m, 1H), 1.38 (m, 1H)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08283354B2
Source datasetuspto-grants-2012_10
ORD IDord-4bcac0db3aee46568484f228ae146f5a
Source noteuspto-grants-2012_10