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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 631243Generated: October 31, 2026

1-(2-Hydroxyethyl)piperazine → HCID 44243181, compound

https://huagongshe.com/reaction/631243

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(2-Hydroxyethyl)piperazineHCID 7677—
Reactant1-(5-Tert-butylisoxazol-3-yl)-3-(3-(6-(2-chloroethoxy)-7-methoxyquinazolin-4-yloxy)phenyl)ureaHCID 66876340—
ProductHCID 44243181HCID 4424318112%

Reaction Steps

Prepared from 1-(5-tert-butylisoxazol-3-yl)-3-(3-(6-(2-chloroethoxy)-7-methoxyquinazolin-4-yloxy)phenyl)urea (200 mg, 0.39 mmol) from Example 16C (200 mg, 0.39 mmol) and 1-(2-hydroxyethyl)piperazine (0.144 mL, 1.17 mmol) according to the procedure described for Example 16D to afford 1-(5-tert-butylisoxazol-3-yl)-3-(3-(6-(2-(4-(2-hydroxyethyl)piperazin-1-yl)ethoxy)-7-methoxyquinazolin-4-yloxy)phenyl)urea as a colorless solid (28 mg, 12%). 1H NMR (300 MHz, DMSO-d6) δ 9.59 (brs, 1H), 9.01 (brs, 1H), 8.55 (s, 1H), 7.63 (s, 1H), 7.58 (s, 1H), 7.37-7.42 (m, 2H), 7.26 (m, 1H), 6.96 (m, 1H), 6.47 (s, 1H), 4.26-4.35 (m, 3H), 3.99 (s, 3H), 3.40-3.50 (m, 2H), 2.75-2.79 (m, 2H), 2.30-2.50 (m, 9H), 1.27 (s, 9H); LC-MS (ESI) m/z 606 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09320739B2
Source datasetuspto-grants-2016_04
ORD IDord-b59046cad96c47b49129bed2e918f184
Source noteuspto-grants-2016_04