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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2180977Generated: October 31, 2026

Methylamine → HCID 22484252, compound

https://huagongshe.com/reaction/2180977

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
ReactantHCID 69115944HCID 69115944—
SolventDimethyl SulfoxideHCID 679—
ProductHCID 22484252HCID 2248425294%

Reaction Conditions

Temperature80 °C

Reaction Steps

A mixture of (3-{4-[3-Chloro-4-(6-methyl-pyridin-3-yloxy)-phenylamino]-quinazolin-6-yl}-prop-2-ynyl)-carbamic acid phenyl ester (0.1 g, 0.18 mmol) prepared by Method B, methyl amine (2.0M methanol solution, 1 mL, 2 mmol) and DMSO (0.5 mL) was stirred at 80° C. overnight. The solvents were removed under vacuum (GeneVac HT-8) and the residue was re-dissolved in MeOH (˜1 mL). HCl gas was bubbled through the solution and EtOAc resulting in precipitation of the desired product. The title compound (80 mg, 90% yield) was obtained by filtration as a yellow solid. 1HNMR (400 MHz, CD3OD) δ 2.72 (3H,s), 2.76 (3H, s), 4.19 (2H, s), 7.49 (1H, d, J=9 Hz), 7.84 (1H, d, J=2 Hz), 7.86 (1H, d, J=2 Hz), 7.92 (1H, d, J=9 Hz), 8.12 (2H, m, J=2 Hz), 8.16 (1H, d, J=2.4 Hz), 8.60 (1H, d, J=3.2 Hz), 8.74 (1H, d, J=1.2 Hz), 8.87 (1H, s ). LRMS (M+): 473.0, 475.0, 476.0.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06890924B2
Source datasetuspto-grants-2005_05
ORD IDord-ecbfd732a7944ea9b4556e8422deb4f1
Source noteuspto-grants-2005_05